Product characteristics Chemical properties Uses Production methods Hazards & Safety Information
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Ethylamine

Product characteristics Chemical properties Uses Production methods Hazards & Safety Information
Product Name
Ethylamine
CAS No.
75-04-7
Chemical Name
Ethylamine
Synonyms
EA;MONOETHYLAMINE;AMINOETHANE;C2H5NH2;An aMine;Ethylamin;Aethylamine;1-Aminoethane;Ethylamine solution;EthylaMine solution 2.0 M in THF
CBNumber
CB8205711
Molecular Formula
C2H7N
Formula Weight
45.08
MOL File
75-04-7.mol
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Ethylamine Property

Melting point:
-81 °C(lit.)
Boiling point:
17 °C
Density 
0.81 g/mL at 20 °C
vapor density 
1.56 (15 °C, vs air)
vapor pressure 
874 mm Hg ( 20 °C)
refractive index 
n20/D 1.384
FEMA 
4236 | ETHYLAMINE
Flash point:
48 °F
storage temp. 
2-8°C
solubility 
soluble in water in all proportions; soluble in ethanol, methanol, paraffin hydrocarbons, aromatic and aliphatic hydrocarbons, ethyl ether, ethyl acetate, acetone, and mineral oil.
pka
10.7(at 25℃)
form 
Liquid
color 
Colorless to Light yellow to Light orange
Odor
Pungent; strong ammoniacal.
explosive limit
14%
Odor Threshold
0.046ppm
Odor Type
ammoniacal
Water Solubility 
miscible
Merck 
14,3762
JECFA Number
1579
BRN 
505933
Henry's Law Constant
1.23(x 10-5 atm?m3/mol at 25 °C) (Christie and Crisp, 1967)
Dielectric constant
6.9(10℃)
Exposure limits
TLV-TWA 10 ppm (~18 mg/m3) (ACGIH, MSHA, and OSHA): IDLH 4000 ppm (NIOSH).
Stability:
Stable. Highly flammable. Incompatible with oxidizing agents, alkali metals, alkaline earth metals, acids, many reactive organic and inorganic compounds. Reacts with or disssolves most types of paint, plastic and rubber.
LogP
-0.13
CAS DataBase Reference
75-04-7(CAS DataBase Reference)
NIST Chemistry Reference
Ethylamine(75-04-7)
EPA Substance Registry System
Ethylamine (75-04-7)
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Safety

Hazard Codes 
F+,Xi,T,F,Xn
Risk Statements 
12-36/37-19-39/23/24/25-23/24/25-11-37-35-24-22-10-40
Safety Statements 
26-29-16-45-36/37-7-36/37/39
RIDADR 
UN 2733 3/PG 1
WGK Germany 
1
RTECS 
KH2100000
4.5-31
Autoignition Temperature
721 °F
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29211990
Hazardous Substances Data
75-04-7(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 0.40 g/kg (Smyth)
IDLA
600 ppm
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H302Harmful if swallowed

H311Toxic in contact with skin

H314Causes severe skin burns and eye damage

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.20024
Product name
Ethylamine
Purity
(70% aqueous solution) for synthesis
Packaging
1L
Price
$55
Updated
2024/03/01
Sigma-Aldrich
Product number
8.20024
Product name
Ethylamine
Purity
(70% aqueous solution) for synthesis
Packaging
2.5L
Price
$94.2
Updated
2024/03/01
Sigma-Aldrich
Product number
724033
Product name
Ethylamine
Purity
99.0%
Packaging
100g
Price
$246
Updated
2024/03/01
Sigma-Aldrich
Product number
301264
Product name
Ethylamine
Purity
97%
Packaging
100g
Price
$216
Updated
2024/03/01
Sigma-Aldrich
Product number
301264
Product name
Ethylamine
Purity
97%
Packaging
400g
Price
$570
Updated
2024/03/01
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Ethylamine Chemical Properties,Usage,Production

Product characteristics

Ethylamine, also known as aminoethane or ethylamine, is colorless transparent liquid and highly volatile. It has ammonia flavor and is flammable. Its relative molecular mass is 45.09; relative density 0.6829; melting point-80.6 ℃; boiling point 16.6℃; flash point-17℃(closed). It will spontaneously combust in air at 555℃. Its refractive index is 1.3663. It is miscible with water, ethanol and ether. It has strong alkaline and can react with mineral acid to form water-soluble salt. It can also react with acyl group to form acyl amide and react with nitrous acid to generate nitrosamines. It can be oxidized to form hydroxylamine or oxime. When burning in the air, the flame is light blue. It can react with phosgene to form carbonyl chloride and react with acrylonitrile to generate aminopropionitrile. It can strongly stimulate the skin and mucous membranes. Rat-oral LD50 is 400mg/kg. Storage should use stainless steel containers and stainless steel valves.
Ethylamine can be prepared by the reaction of ethyl iodide (ethyl chloride) with ammonia in liquid ammonia (ethanol solution) or by the high-pressure hydrogenation of acetonitrile in the catalyst of nickel. Ethylamine is mainly used as the raw materials of triazine herbicides to produce Atrazine (selective herbicides) and Simazine (pre-emergence herbicides of dry field). It can also be used as the raw materials of dyes, surfactants, detergents, lubricants and ion exchange resins, the stabilizer of resin and rubber slurry, antioxidants, the additives of oil refining, metallurgical mineral processing agents, pharmaceutical raw materials, solvents and extractants. The oxalates of the ethylamine can be used medicinally.

Chemical properties

colorless volatile liquid; ammonia smell; alkaline; miscible with water, ethanol and ether.

Uses

1. Used for the production of dyes, pharmaceuticals, surfactants, herbicides, rubber vulcanization accelerator and ion exchange resins.
2. Ethylamine is the intermediates of antiseptics of cymoxanil and ethirimol, pesticide of amphetamines, and herbicides of atrazine, west grass net, simazine, benthiocarb and napropamide.
3. Ethylamine can be used for the production of triazine herbicides, including atrazine and simazine. Both herbicides use cyanuric chloride as raw materials, and also have similar production processes. (also known as Terrazine) has wider range of applications than Simazine, but also can kill the anti-Simazin weeds. Atrazine is developed and produced by the Swiss Geigy company in 1985, and later developed into the world's largest production herbicide. Ethylamine is also used in the production of dyes, rubber accelerators, surfactants, antioxidants, ion exchange resins, aircraft fuels, solvents, detergents, lubricants, metallurgical mineral processing agent, as well as the production of cosmetics and pharmaceuticals.
4. Used for organic synthesis, and also used as dye intermediates, stabilizers and emulsifiers
5. Used for the synthesis of organic resins and dyes.

Production methods

1. ethanol (gas phase) amination method: feed ethanol and ammonia by the ratio of 4: 1, and make them react with the dehydration catalysis of alumina at the temperature of 350-400℃ and under the pressure of 2.45-2.94MPa. In addition to the formation of ethylamine, the side reaction also produce diethylamine, triethylamine, ether, acetonitrile and ethylene. The crude ethylamine obtained by the condensation of the reaction gas is then taken for distillation to gather ammonia, with the content of more than 95%. Generally 50% aqueous solution is used as the commodity, per ton of which consumes ethano (95%) of about 1400kg.
2. Acetaldehyde hydrogen aminiation method: the reaction of acetaldehyde, hydrogen and ammonia with the catalysis of nickel can produce ethylamine. Firstly, the structure catalyst with nickel as the main catalyst, reduced copper and reduced chromium as the cocatalyst and kaolin as the carrier is charged into the reactor. Then pass into acetaldehyde at the space velocity of 0.03-0.15L•h-1 and control the ratio of hydrogen and acetaldehyde being 5: 1 and the ratio of ammonia and acetaldehyde being 0.4-3:1. The feedstock is vaporized and fed to the reactor at 80℃. The reaction temperature is controlled between 105 and 200 °C. The resulting product is cooled at-5°C and separated into ethylamine, diethylamine and triethylamine. Ethylamine is more readily available because of the faster formation of ethylamine than diethylamine or triethylamine. When the primary product is diethylamine or triethylamine, the resulting ethylamine should be recycled to the system for reaction.
3. The preparation method is ethanol gas phase amination. The reaction of ethanol and ammonia with the catalysis at the temperature of 390-400 °C and under the pressure of 2.53~3.04 MPa can produce crude ethylamine, and then the finished products can be derived by further fractionation.
CH3CH2OH + NH3 [Al2O3]→CH3CH2NH2 + H2O

Hazards & Safety Information

Category: Flammable liquids
Toxicity classification: high toxicity
Acute Toxicity:  Inhalation-Rat LC50: 3000 PPM/4 hours; Oral-Rat LD50: 400 mg/kg
Stimulation Data: Eye-Rabbit  5mg  Severe; Skin-Rabbit  500 mg/24 h  Mild
Explosive hazardous characteristics :
Mixed with air to form explosive mixtures;
Flammability Hazardous characteristics :
Easily combust when meeting fire, high temperature or oxidants;
Release toxic nitrogen oxide smoke when combusting.
Storage and transportation characteristics :
Storehouse should be low-temperature, well-ventilated and dry;
Stored separately with oxidants and acids
Fire extinguishing agent: mist water; dry powder, carbon dioxide
Occupational Standard: TWA 18 mg/m3; STEL 37mg/m3

Description

Ethylamine is a colorless gas or water-whiteliquid (below 17℃) with a strong, ammonia-like odor.Shipped as a liquefied compressed gas. Molecularweight = 45.10; Specific gravity (H2O:1) = 0.69 (liquid);Boiling point = 16.7℃; Freezing/Melting point = - 81℃;Vapor pressure = 847 mmHg at 20℃; Flash point≤ - 18℃; Autoignition temperature = 385℃. Explosivelimits: LEL = 3.5%; UEL = 14.0%. Hazard Identification(based on NFPA-704 M Rating System): Health 3,Flammability 4, Reactivity 0. Soluble in water

Chemical Properties

Colorless to yellow gas; ammonia fishy aroma.

Chemical Properties

Ethylamine is a colorless gas or water-white liquid (below 17℃). Strong, ammonia-like odor. Shipped as a liquefied compressed gas.

Chemical Properties

Ethylamine is a very strong base and its complete solubility in water makes it ideal as an intermediate in many chemical syntheses. As with other primary amines, its chemical reactivity is dictated by the unshared pair of electrons on the nitrogen and its most characteristic reaction is with acids to form salts.

Physical properties

Colorless liquid or gas with a strong ammonia-like odor. An experimentally determined odor threshold concentration of 21 ppbv was reported by Leonardos et al. (1969). Experimentally determined detection and recognition odor threshold concentrations were 500 μg/m3 (270 ppbv) and 1.5 mg/m3 (810 ppbv), respectively (Hellman and Small, 1974).

Uses

In resin chemistry; stabilizer for rubber latex; intermediate for dyestuffs, pharmaceuticals; in oil refining

Uses

Ethylamine is used in the manufacture ofdyes and resins, as a stabilizer for rubberlatex, and in organic synthesis.

Uses

Dye intermediate, solvent extraction, petroleum refining, stabilizer for rubber latex, detergents, organic synthesis.

Definition

ChEBI: A two-carbon primary aliphatic amine.

Definition

ethylamine: A colourless flammablevolatile liquid, C2H5NH2; r.d. 0.69;m.p. –81°C; b.p. 16.6°C. It is a primaryamine made by reactingchloroethane with ammonia andused in making dyes.

Production Methods

The methods employed for the production of ethylamine are similar to those used for the methylamines. Differences involve the alcohol used and its ratio to other reactants. The most common method involves continuously passing ammonia and ethanol over a catalyst in a gas-solid heterogenous reaction. The temperature is maintained at 300-500°C at 790-3550 kPa and the catalyst can be alumina, silica, titania, or tungstic oxides. As this procedure produces a mixture of water, alcohol, ammonia, and various amines, the amines of interest are continuously separated by distillations and extractions. The amine can be produced from ethyl chloride and alcoholic ammonia under heat and pressure or by hydrogenation of nitroethane (HSDB 1989). Alternatively ammonia, ethanol and hydrogen over a dehydrogenation catalyst are passed continuously over a catalyst (supported metallic silver, nickel, or copper) in a gas-solid heterogenous reaction. The reaction is run at 130-250°C at 790-3550 kPa and also produces a mixture of amines. Ethylamine can also be produced using a similar procedure which employs ammonia and an aldehyde or ketone and hydrogen over a hydrogenation catalyst under the same conditions. However, this method is more expensive and is therefore not commonly used, except in special cases (Schweizer et al 1978).
Ethylamine also is a normal constituent of biological systems and is present in the urine of animals and man (Beard and Noe 1981). The amine occurs widely in the environment as a decomposition product of amino acids. It is formed, therefore, in sewage during the decomposition of plant and animal wastes and is also found in a variety of foods such as cheese, herring, spinach and freeze-dried coffee (HSDB 1989; Lin et al 1983,1984). It is also a constituent of tobacco smoke and has been detected in various surface waters at concentrations ranging between 1 and 37 p.p.m. Ethylamine also has been found in finished drinking water (Neurath et al 1977; Scheiman et al 1974). As with other alkylamines, ethylamine can be nitrosated to form the toxic product, 7V-nitrosoethylamine (Hussain et al 1974).

Aroma threshold values

Very high strength odor; ammoniacal type; recommend smelling in a 0.01% solution or less

General Description

A colorless liquid or a gas (boiling point 62°F) with an odor of ammonia. Flash point less than 0°F. Density of liquid 5.7 lb / gal. Corrosive to the skin and eyes. Vapors are heavier than air. Produces toxic oxides of nitrogen during combustion. Exposure of the closed container to intense heat may cause Ethylamine to rupture violently and rocket.

Air & Water Reactions

Highly flammable. Water soluble.

Reactivity Profile

Sensitive to heat. Reacts vigorously with oxidizing agents. Incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Incompatible with cellulose nitrate. Flammable gaseous hydrogen is generated in combination with strong reducing agents, such as hydrides. Also incompatible with oxidizing agents. A chemical base. Neutralizes acids to form salts plus water in an exothermic reaction Dissolves most paints, plastics and rubber .

Hazard

Strong irritant. Flammable, dangerous fire risk, flammable limits in air 3.5–14%.

Health Hazard

Ethylamine is a severe irritant to the eyes,skin, and respiratory system. The pure liquidor its highly concentrated solution can causecorneal damage upon contact with eyes. Skincontact can result in necrotic skin burns.
Rabbits exposed to 100 ppm ethylaminefor 7 h/day, 5 days/week for 6 weeks mani fested irritation of cornea and lung, and liverand kidney damage (ACGIH 1986). A 4-hourexposure to 3000 ppm was lethal to rats. Theacute oral and dermal toxicity of this com pound was moderate in test animals.
LD50 value, oral (rats): 400 mg/kg
LD50 value, skin (rabbits): 390 mg/kg.

Chemical Reactivity

Reactivity with Water No reaction; Reactivity with Common Materials: Will strip and dissolve paint; dissolves most plastic materials; can cause swelling of rubber by absorption. The reactions are not hazardous; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Flush with water; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

Industrial uses

Ethylamine has achieved widespread use as an intermediate in the manufacture of a variety of products. It is used as a solvent for dyes, resins, and oils and as a vulcanization accelerator for sulfur-cured rubbers as well as a stabilizer for rubber latex (NIOSH 1981; HSDB 1989). The amine is used in the production of alkyl isocyanates for intermediates in the manufacture of products such as pharmaceuticals and resins. It also serves as an intermediate in the manufacture of triazine herbicides, a corrosion inhibitor (1,3-diethyl thiourea), and an agent used in wash and wear fabrics (dimethylolethyltriazone). Copious salts of ethylamine can also be used in the refining of petroleum and vegetable oil (Sittig 1981). The amine also has uses as an industrial solvent and as a chemical initiator in the preparation of various solvents (HSDB 1989).

Safety Profile

A poison by ingestion, skin contact, and intravenous routes. Moderately toxic by inhalation. A severe eye irritant. A very dangerous fire hazard when exposed to heat or flame. Moderate explosion hazard when exposed to spark or flame. Keep away from heat and open flame, can react vigorously with oxidizing materials. To fight fire, stop flow of gas, use alcohol foam, dry chemical. Incompatible with cellulose nitrate or oxidzers. When heated to decomposition it emits toxic fumes of NOx. See also MINES.

Potential Exposure

Monoethylamine (MEA) is used as an intermediate in the manufacture of the following chemicals: triazine herbicides, 1,3-diethylthiourea (a corrosion inhibitor); ethylamino-ethanol; 4-ethylmorpholine (urethane foam catalyst); ethyl isocyanate; and dimethylolethyltriazone (agent used in wash-and-wear fabrics). The cuprous chloride salts of MEA are used in the refining of petroleum and vegetable oil.

First aid

If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seekmedical attention immediately. If this chemical contactsthe skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove fromexposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing hasstopped and CPR if heart action has stopped. Transferpromptly to a medical facility. When this chemical hasbeen swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit

Environmental Fate

Photolytic. The rate constant for the reaction of ethylamine and ozone in the atmosphere is 2.76 x 10-20 cm3/molecule?sec at 296 K (Atkinson and Carter, 1984). Atkinson (1985) reported a rate constant of 6.54 x 10-11 cm3/molecule?sec for the vapor-phase reaction of ethylamine and OH radicals at 25.5 °C. The half-life for this reaction is 8.6 h.
Low et al. (1991) reported that the photooxidation of aqueous primary amine solutions by UV light in the presence of titanium dioxide resulted in the formation of ammonium and nitrate ions.
Chemical/Physical. Reacts with OH radicals possibly forming acetaldehyde or acetamide (Atkinson et al., 1978). When ethylamine over kaolin is heated to 600 °C, hydrogen and acetonitrile formed as the major products. Trace amounts of ethylene, ammonia, hydrogen cyanide, and methane were also produced. At 900 °C, however, acetonitrile was not produced (Hurd and Carnahan, 1930).
Reacts with mineral acids forming water-soluble salts (Morrison and Boyd, 1971).

Metabolism

Ethylamine is readily absorbed from the respiratory and gastrointestinal tracts. When administered to humans as the HC1 form, about 32% of the ethylamine could be recovered in the urine (Rechenberger 1984). It appears that ethylamine is slowly oxidized by monoamine oxidase to form hydrogen peroxide and the corresponding aldehyde. Subsequently, the peroxide is removed by catalase and the aldehyde is likely converted to its carboxylic acid by aldehyde oxidase (Beard andNoe 1981).
As with other alkylamines, a potential exists for in vivo nitrosation of ethylamine from foods by the preservative sodium nitrite under the acidic conditions found in the stomach (Lin et al 1983,1984).

storage

Ethylamine should be stored in a flammable-liquids storage room or cabinet. It shouldbe stored away from oxidizing materials andsources of ignition. It is shipped in steelcylinders or drums.

Shipping

UN1036, Ethylamine, Hazard Class: 2.1; Labels: 2.1-Flammable gas. Ethylamine, aqueous solution with not ,50% but not .70% ethylamine, Hazard Class: 3; Labels: 3-Flammable liquid, 8-Corrosive material. Cylinders must be transported in a secure upright position, in a wellventilated truck. Protect cylinder and labels from physical damage. The owner of the compressed gas cylinder is the only entity allowed by federal law (49CFR) to transport and refill them. It is a violation of transportation regulations to refill compressed gas cylinders without the express written permission of the owner.

Purification Methods

Condense it in an all-glass apparatus cooled by circulating ice-water, and store it with KOH pellets below 0o. [Beilstein 4 IV 307.]

Toxicity evaluation

The effects of ethylamine appear due primarily to its corrosive action at all points of contact with the body.

Incompatibilities

The aqueous solution is a strong base. May form explosive mixture with air. Reacts violently with strong acids; strong oxidizers; cellulose nitrate; and organic compounds; causing fire and explosion hazard. Also incompatible with organic anhydrides; isocyanates, vinyl acetate; acrylates, substituted allyls; alkylene oxides; epichlorohydrin, ketones, aldehydes, alcohols, glycols, phenols, cresols, caprolactum solution. Attacksnonferrous metals: aluminum, copper, lead, tin, zinc, and alloys; some plastics, rubber, and coatings.

Waste Disposal

Return refillable compressed gas cylinders to supplier. Controlled incineration; incinerator equipped with a scrubber or thermal unit to reduce nitrogen oxides emissions

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Ethylamine Suppliers

Hubei Jingshan Xinda Industry and Trade Co., Ltd
Tel
18600652098 18600652098
Email
421273778@qq.com
Country
China
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Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-6206333 18521732826;
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
24835
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Shandong Jinyueyuan New Material Co. Ltd
Tel
18615187817
Email
2793152786@qq.com
Country
China
ProdList
387
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58
ZI BO YUJIN TRADING CO.,LTD
Tel
18805331268
Email
691775164@qq.com
Country
China
ProdList
310
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Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
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Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
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TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
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BeiJing Hwrk Chemicals Limted
Tel
0757-86329057 18501085097
Fax
010-89508210
Email
sales3.gd@hwrkchemical.com
Country
China
ProdList
7508
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Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
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Beijing Ouhe Technology Co., Ltd
Tel
010-82967028 13552068683
Fax
+86-10-82967029
Email
2355560935@qq.com
Country
China
ProdList
12426
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View Lastest Price from Ethylamine manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
Ethylamine 75-04-7
Price
US $0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20 tons
Release date
2023-11-30
Zhuozhou Wenxi import and Export Co., Ltd
Product
Ethylamine 75-04-7
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10
Zhuozhou Wenxi import and Export Co., Ltd
Product
Ethylamine 75-04-7
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-09

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