ChemicalBook > CAS DataBase List > Ethyl vinyl ether

Ethyl vinyl ether

Product Name
Ethyl vinyl ether
CAS No.
109-92-2
Chemical Name
Ethyl vinyl ether
Synonyms
Ethoxyethene;EVE;VINYL ETHYL ETHER;VINAMAR;ETHOXYETHYLENE;Ethyl Vinyl Ethe;CH2=CHOC2H5;ethoxy-ethen;agrisyntheve;Ethoxythylene
CBNumber
CB0708241
Molecular Formula
C4H8O
Formula Weight
72.11
MOL File
109-92-2.mol
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Ethyl vinyl ether Property

Melting point:
-116 °C (lit.)
Boiling point:
33 °C (lit.)
Density 
0.753 g/mL at 25 °C (lit.)
vapor pressure 
560 hPa (20 °C)
refractive index 
n20/D 1.376(lit.)
Flash point:
−50 °F
storage temp. 
2-8°C
solubility 
8.3g/l
form 
Liquid
color 
Clear colorless
Odor
nauseating-ethereal but sweet odor
explosive limit
1.3-12.0%(V)
Water Solubility 
7.8 g/L (25 ºC)
BRN 
605351
Exposure limits
ACGIH: Ceiling 2 mg/m3
NIOSH: Ceiling 2 mg/m3
Stability:
Stable. Highly flammable. Incompatible with strong oxidizing agents. May form peroxides in storage - check for their formation before use.
InChIKey
FJKIXWOMBXYWOQ-UHFFFAOYSA-N
LogP
1.63 at 25℃
CAS DataBase Reference
109-92-2(CAS DataBase Reference)
NIST Chemistry Reference
Ethene, ethoxy-(109-92-2)
EPA Substance Registry System
Vinyl ethyl ether (109-92-2)
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Safety

Hazard Codes 
F+,Xi,F
Risk Statements 
12-19-36/37/38-11
Safety Statements 
16-23-26-3/7-33-36-9
RIDADR 
UN 1302 3/PG 1
WGK Germany 
1
RTECS 
KO0710000
F 
19
Autoignition Temperature
178 °C
TSCA 
Yes
HazardClass 
3
PackingGroup 
I
HS Code 
29091900
Hazardous Substances Data
109-92-2(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 6120 mg/kg LD50 dermal Rabbit > 15000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H336May cause drowsiness or dizziness

H412Harmful to aquatic life with long lasting effects

Precautionary statements

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

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P273Avoid release to the environment.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.01391
Product name
Ethyl vinyl ether
Purity
(stabilised with potassium hydroxide) for synthesis
Packaging
100mL
Price
$37.5
Updated
2024/03/01
Sigma-Aldrich
Product number
8.01391
Product name
Ethyl vinyl ether
Purity
(stabilised with potassium hydroxide) for synthesis
Packaging
1L
Price
$97.1
Updated
2024/03/01
Sigma-Aldrich
Product number
422177
Product name
Ethyl vinyl ether
Purity
contains 0.1% KOH as stabilizer, 99%
Packaging
250ml
Price
$47.8
Updated
2024/03/01
Sigma-Aldrich
Product number
422177
Product name
Ethyl vinyl ether
Purity
contains 0.1% KOH as stabilizer, 99%
Packaging
1l
Price
$101
Updated
2024/03/01
Sigma-Aldrich
Product number
05010
Product name
Ethyl vinyl ether
Purity
purum, ≥98.0% (GC)
Packaging
250ML
Price
$45.3
Updated
2022/05/15
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Ethyl vinyl ether Chemical Properties,Usage,Production

Chemical Properties

Colorless liquid. Extremely reactive, can be polymerized in liquid or vapor phase. Slightly soluble in water (0.9% by weight). Commercial material contains inhibitor to prevent premature polymerization. Often stored underground to minimize vapor losses.

Uses

Ethyl vinyl ether is used in fragrances, lubricating oil additives and spices preparation. It acts as an intermediate for sulfadiazine. It finds application in pharmaceuticals as anesthetics and analgesics. Further, it is used as a solvent in organic synthesis.

Uses

Copolymerization, intermediate.

Preparation

Ethyl vinyl ether (EVE) can be prepared by reacting acetylene with absolute ethanol in the presence of an alkali catalyst. The most commonly used catalyst for vinylation is an alkali metal hydroxide or an alkali metal alkoxide.

In China, three processes for the manufacture of EVE using the acetylene route were used:
A continuous process with a homogeneous catalyst under high pressure. The advantages of this process are fast reaction rate and high conversion, but the disadvantages include the requirement of high standard equipment, large energy consumption, and easy safety issues.
A process with a solid catalyst (heterogeneous catalyst) under atmospheric pressure is relatively simple in product separation and refining compared with a process with a homogeneous catalyst under high pressure. However, it has the disadvantages of low output, the short service life of catalyst (about 110 h), and a high requirement on the specification of carrier lime.
A process with a homogeneous catalyst under atmospheric pressure has the advantages of high output and good safety but disadvantages of low conversion.
In the process with solid catalyst under atmospheric pressure, acetylene, and ethanol vapor were introduced into a fixed-bed reactor, and the vinylation reaction was carried out at a temperature as high as about 180 °C. EVE was produced with a concentration of about 70% in the outlet gas stream from the reactor. The fixed-bed reactor was charged with 4–5 mesh catalyst particles of potassium hydroxide supported on lime.

General Description

A clear colorless low-boiling liquid (35-36°C) with an ether-like odor. Flash point below -50°F. May polymerize exothermically if heated or contaminated. If polymerization takes place inside a container, the container may rupture violently. Less dense than water and slightly soluble in water. Hence floats on water. Vapors are heavier than air.

Air & Water Reactions

Highly flammable. Slightly soluble in water. Tends to form explosively unstable peroxides when exposed to oxygen.

Reactivity Profile

Ethyl vinyl ether is a very dangerous fire and explosion hazard when exposed to heat or flame. Undergoes autooxidation with formation of peroxides in the air. Can react vigorously with oxidizing materials. Undergoes explosive polymerization in contact with methanesulfonic acid [Eaton, P. E. et al., J. Org. Chem., 1972, 37, p. 1947].

Hazard

Carcinogen.

Health Hazard

INHALATION OR INGESTION: Excitement followed by unconsciousness and respiratory paralysis. CNS depression. EYES: May cause irritation and transient injury to cornea. SKIN: Prolonged contact can cause tissue defatting and dehydration leading to dermatitis.

Fire Hazard

Behavior in Fire: Explosive hazard

Safety Profile

Mddly toxic by ingestion. Mutation data reported. A skin irritant. A very dangerous fire and explosion hazard when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use alcohol foam, foam, CO2, dry chemical. Explosive polymerization is catalyzed by methane sulfonic acid. When heated to decomposition it emits acrid smoke and irritating fumes. See also ETHERS.

Synthesis

Ethyl vinyl ether is synthesized by bubbling Acetylene through Ethylalcohol in presence of Sodium ethoxide.

Purification Methods

Ethyl vinyl ether (EVE) mainly contains impurities such as ethanol, acetaldehyde, and acetal and triethanolamine, which are added to prevent hydrolysis and must be refined before use. The purification is done by extensive washing with water or diluting potassium hydroxide solution. Peroxide may be generated in EVE if the latter has been stored for a long time. In this case, potassium iodide dissolved in dioxane can be applied to check if the ether contains peroxide. The peroxide in the ether can be washed by reducing agent solution of ferrous sulfate, sodium sulfite, stannous chloride, and the like, dried by potassium hydroxide and calcium chloride, and finally refined by distillation in the presence of potassium hydroxide or metallic sodium.

Purification Methods

It usually contains polymerization inhibitors (usually amines, e.g. triethanolamine) which can be removed by fractional distillation. Redistil it from sodium. [Beilstein 1 IV 2049.] LACHRYMATORY.

Ethyl vinyl ether Preparation Products And Raw materials

Raw materials

Calcium carbide Acetylene

Preparation Products

1-[4-(TRIFLUOROMETHYL)PYRIMID-2-YL]PIPERAZINE 2-Hydroxy-4-(trifluoromethyl)pyrimidine (3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-YL)METHANOL 2-Chloro-4-(trifluoromethyl)pyrimidine 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE 3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-AMINE 1-TERT-BUTYL-5-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBALDEHYDE 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-5-CARBOXYLIC ACID 4-BROMO-3-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOLE (3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-YL)METHANAMINE 1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE Glutaraldehyde Sulfadiazine N-BOC-3-AMINOOXETANE-3-CARBOXYLIC ACID 1-TERT-BUTYL-5-(TRIFLUOROMETHYL)-1H-PYRAZOLE 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID CIS-4-DECENAL 2-(METHYLTHIO)-4-(TRIFLUOROMETHYL)PYRIMIDINE 7-(TRIFLUOROMETHYL)-3-IODOIMIDAZO[1,2-A]PYRIMIDINE 5-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOLE-4-CARBALDEHYDE 1-TERT-BUTYL-4-BROMO-5-(TRIFLUOROMETHYL)-1H-PYRAZOLE 1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL 1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLATE 1-PHENYL-3-(TRIFLUOROMETHYL)PYRAZOLE 4-BROMO-5-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOLE 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE (1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-4-YL)METHANOL 3-Bromo-7-(trifluoromethyl)imidazo[1,2-a]pyrimidine 2-METHYL-5-TRIFLUOROMETHYL-2H-PYRAZOLE-3-CARBOXYLIC ACID 2-Hydrazino-4-(trifluoromethyl)pyrimidine METHYL 3-AMINOOXETANE-3-CARBOXYLATE ETHYL 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLATE 3-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOLE-5-CARBOXYLIC ACID 4-BROMO-1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE 5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE-4-CARBALDEHYDE 1-TERT-BUTYL-4-BROMO-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE Milrinone 4-BROMO-5-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOLE 2,2,2-TRIFLUORO-1-(3-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOL-4-YL)ETHANONE 1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-4-AMINE
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Americas 1 Belgium 3 China 220 Europe 2 France 2 Germany 14 India 17 Japan 6 Singapore 1 Slovakia 1 Spain 1 Switzerland 2 Ukraine 1 United Arab Emirates 1 United Kingdom 8 United States 32 Global 312
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View Lastest Price from Ethyl vinyl ether manufacturers

Baoji Guokang Bio-Technology Co., Ltd.
Product
Ethyl vinyl ether, 99% min. 109-92-2
Price
US $0.00/kg
Min. Order
135kg
Purity
99%
Supply Ability
20tons
Release date
2023-10-30
Hebei Chuanghai Biotechnology Co,.LTD
Product
Ethyl vinyl ether 109-92-2
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-21
Hebei Weibang Biotechnology Co., Ltd
Product
Ethyl vinyl ether 109-92-2
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2023-02-13

109-92-2, Ethyl vinyl etherRelated Search:

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  • EthylVinylEther(stabilizedwithKOH)&gt
  • Ethyl Vinyl Ether pure, 98%
  • ethenoxyethane
  • Ethyl vinyl ether, 99% min.
  • Ethyl Vinyl Ether, stabilized with KOH, ≥ 98.0%
  • 109-92-2
  • C4H8O
  • C2H5OCHCH2
  • CH3CH2OCHCH2
  • CH2CHOCH2CH3
  • Others
  • Protection and Derivatization
  • Protecting and Derivatizing Reagents
  • Synthetic Reagents
  • Pharmaceutical Intermediates
  • Intermediates