ChemicalBook > CAS DataBase List > Hexane

Hexane

Product Name
Hexane
CAS No.
110-54-3
Chemical Name
Hexane
Synonyms
Esani;OXFORD;Heksan;HEXANE;Hexanen;n-C6H14;n-Hexan;HEXANES;dipropyl;Bipropyl
CBNumber
CB1852811
Molecular Formula
C6H14
Formula Weight
86.18
MOL File
110-54-3.mol
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Hexane Property

Melting point:
-95 °C
Boiling point:
68.95 °C(lit.)
Density 
0.659 g/mL at 25 °C(lit.)
vapor density 
3.5 (vs air)
vapor pressure 
40 mm Hg ( 20 °C)
refractive index 
n20/D 1.388
Flash point:
30 °F
storage temp. 
Store at +5°C to +30°C.
solubility 
Very soluble in ethanol, ethyl ether and chloroform.
pka
>14 (Schwarzenbach et al., 1993)
form 
Liquid
color 
Colorless
Specific Gravity
0.660 (20/4℃)
Relative polarity
0.009
Odor
Mild gasoline-like odor detectable at 65 to 248 ppm
Odor Threshold
1.5ppm
explosive limit
1.0-8.1%(V)
Water Solubility 
insoluble
λmax
λ: 200 nm Amax: ≤0.70
λ: 225 nm Amax: ≤0.10
λ: 250 nm Amax: ≤0.01
Merck 
14,4694
BRN 
1730733
Henry's Law Constant
0.238, 0.413, 0.883, 0.768, and 1.56 at 10, 15, 20, 25, and 30 °C, respectively (EPICS, Ashworth et al., 1988)
Exposure limits
TLV-TWA 50 ppm (~175 mg/m3) (ACGIH), 500 ppm (~1750 mg/m3) (OSHA); IDLH 5000 ppm (NIOSH).
Stability:
Stable. Incompatible with oxidizing agents, chlorine, fluorine, magnesium perchlorate. Highly flammable. Readily forms explosive mixtures with air. Note low flash point.
InChIKey
VLKZOEOYAKHREP-UHFFFAOYSA-N
CAS DataBase Reference
110-54-3(CAS DataBase Reference)
NIST Chemistry Reference
Hexane(110-54-3)
EPA Substance Registry System
Hexane (110-54-3)
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Safety

Hazard Codes 
F,Xn,N
Risk Statements 
11-38-50/53-65-67-62-51/53-48/20-36/37/38
Safety Statements 
9-16-29-33-60-61-62-36/37-45-36/37/39-53-26
RIDADR 
UN 3295 3/PG 2
WGK Germany 
3
RTECS 
MN9275000
3-10
Autoignition Temperature
225 °C
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29011000
Hazardous Substances Data
110-54-3(Hazardous Substances Data)
Toxicity
LC50 (4 hr) in mice by inhalation: 48000 ppm; LD50 orally in rats: 32.0 g/kg (Couri, Milks)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

H315Causes skin irritation

H319Causes serious eye irritation

H336May cause drowsiness or dizziness

H361Suspected of damaging fertility or the unborn child

H372Causes damage to organs through prolonged or repeated exposure

H373May cause damage to organs through prolonged or repeated exposure

H401Toxic to aquatic life

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

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

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P273Avoid release to the environment.

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

P281Use personal protective equipment as required.

P331Do NOT induce vomiting.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

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

P308+P313IF exposed or concerned: Get medical advice/attention.

P370+P378In case of fire: Use … for extinction.

P405Store locked up.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P403+P235Store in a well-ventilated place. Keep cool.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
1.04368
Product name
n-Hexane
Purity
EMPLURA?
Packaging
1 L
Price
$40.51
Updated
2021/03/22
Sigma-Aldrich
Product number
139386
Product name
Hexane
Purity
ReagentPlus , ≥99%
Packaging
100ml
Price
$57.5
Updated
2021/03/22
Sigma-Aldrich
Product number
1.04367
Product name
n-Hexane
Purity
for analysis EMSURE? ACS
Packaging
1 L
Price
$60.59
Updated
2021/03/22
Sigma-Aldrich
Product number
HX0299
Product name
Hexanes, 98.5% ACS, ~64% n-Hexane
Purity
Meets ACS Specifications
Packaging
500 mL
Price
$65.77
Updated
2021/03/22
Sigma-Aldrich
Product number
1.04372
Product name
n-Hexane
Purity
for spectroscopy Uvasol?
Packaging
500 mL
Price
$66.69
Updated
2021/03/22
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Hexane Chemical Properties,Usage,Production

Chemical Properties

n-Hexane is a highly flammable liquid, usually isolated from crude oil, and has extensive industrial applications as a solvent in adhesive bandage factories and other industries.

It is highly toxic, triggering several adverse health effects, i.e., nausea, skin irritation, dizziness, numbness of limbs, CNS depression, vertigo, and respiratory tract irritation to animals and humans. Occupational exposure of industrial workers has demonstrated motor polyneuropathy. Workers associated with long-term glue sniffi ng showed adverse effects in the form of degeneration of axons and nerve terminals.

Chemical Properties

n-Hexane is a highly flammable, colorless, volatile liquid with a gasoline-like odor. The water/odor threshold is 0.0064 mg/L and the air/odor threshold is 230 875 milligram per cubic meter.

Physical properties

Clear, colorless, very flammable liquid with a faint, gasoline-like odor. An odor threshold concentration of 1.5 ppmv was reported by Nagata and Takeuchi (1990).

Uses

Determining refractive index of minerals; filling for thermometers instead of mercury, usually with a blue or red dye; extraction solvent for oilseed processing.

Uses

Suitable for HPLC, spectrophotometry, environmental testing

Uses

n-Hexane is a chief constituent of petroleumether, gasoline, and rubber solvent. It is usedas a solvent for adhesives, vegetable oils,and in organic analysis, and for denaturingalcohol.

Definition

ChEBI: An unbranched alkane containing six carbon atoms.

General Description

Clear colorless liquids with a petroleum-like odor. Flash points -9°F. Less dense than water and insoluble in water. Vapors heavier than air. Used as a solvent, paint thinner, and chemical reaction medium.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

HEXANE may be sensitive to light. Hexane may also be sensitive to prolonged exposure to heat. Hexane can react vigorously with oxidizing materials. This would include compounds such as liquid chlorine, concentrated O2, sodium hypochlorite and calcium hypochlorite. Hexane is also incompatible with dinitrogen tetraoxide. Hexane will attack some forms of plastics, rubber and coatings. .

Hazard

Flammable, dangerous fire risk.

Health Hazard

n-Hexane is a respiratory tract irritant andat high concentrations a narcotic. Its acutetoxicity is greater than that of n-pentane.Exposure to a concentration of 40,000 ppmfor an hour caused convulsions and death inmice. In humans a 10-minute exposure toabout 5000 ppm may produce hallucination,distorted vision, headache, dizziness, nausea,and irritation of eyes and throat. Chronicexposure to n-hexane may cause polyneuritis.
The metabolites of n-hexane injected inguinea pigs were reported as 2,5- hexanedioneand 5-hydroxy-2-hexanone, which arealso metabolites of methyl butyl ketone(DiVincenzo et al. 1976). Thus methyl butylketone and n- hexane should have similartoxicities. The neurotoxic metabolite, 2,5-hexanedione, however, is produced considerablyless in n-hexane. However, in the caseof hexane, the neurotoxic metabolite 2,5-hexanedione is produced to a much lesserextent. Continuous exposure to 250 ppmn-hexane produced neurotoxic effects in animals. Occupational exposure to 500 ppmmay cause polyneuropathy (ACGIH 1986).
Inhalation of n-hexane vapors have shownreproductive effects in rats and mice.

Flammability and Explosibility

Hexane is extremely flammable (NFPA rating = 3), and its vapor can travel a considerable distance to an ignition source and "flash back." Hexane vapor forms explosive mixtures with air at concentrations of 1.1 to 7.5 % (by volume).
Hydrocarbons of significantly higher molecular weight have correspondingly higher vapor pressures and therefore present a reduced flammability hazard. Carbon dioxide or dry chemical extinguishers should be used for hexane fires.

Chemical Reactivity

Reactivity with Water: No reaction; Reactivity with Common Materials: No reactions; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

Potential Exposure

n-Hexane is industrial chemical, emul sifier, in manufacture of plastics, resins; as a solvent, par ticularly in the extraction of edible fats and oils; as a laboratory reagent; and as the liquid in low temperature thermometers. Technical and commercial grades consist of 45 85% hexane, as well as cyclopentanes, isohexane, and 1% to 6% benzene.

Carcinogenicity

Male rabbits exposed to 3000 ppm hexane (8 h/day, 6 days/week for 24 weeks) developed papillary proliferation of nonciliated bronchiolar cells. No tumors were found in mice painted with hexane and croton oil as cocarcinogen, presumably for the lifetime of each animal. Hexane is inactive as a tumorpromoting agent.

Source

In diesel engine exhaust at a concentration of 1.2% of emitted hydrocarbons (quoted, Verschueren, 1983).
A constituent in gasoline. Harley et al. (2000) analyzed the headspace vapors of three grades of unleaded gasoline where ethanol was added to replace methyl tert-butyl ether. The gasoline vapor concentrations of hexane in the headspace were 4.31 wt % for regular grade, 3.74.8 wt % for midgrade, and 2.3 wt % for premium grade.
Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 1.82 and 268 mg/km, respectively (Schauer et al., 2002).

Environmental Fate

Biological. Hexane may biodegrade in two ways. The first is the formation of hexyl hydroperoxide, which decomposes to 1-hexanol followed by oxidation to hexanoic acid. The other pathway involves dehydrogenation to 1-hexene, which may react with water giving 1-hexanol (Dugan, 1972). Microorganisms can oxidize alkanes under aerobic conditions (Singer and Finnerty, 1984). The most common degradative pathway involves the oxidation of the terminal methyl group forming 1-hexanol. The alcohol may undergo a series of dehydrogenation steps forming a hexanal followed by oxidation to form hexanoic acid. The fatty acid may then be metabolized by β-oxidation to form the mineralization products, carbon dioxide and water (Singer and Finnerty, 1984).
Photolytic. An aqueous solution irradiated by UV light at 50 °C for 1 d resulted in a 50.51% yield of carbon dioxide (Knoevenagel and Himmelreich, 1976). Synthetic air containing gaseous nitrous acid and exposed to artificial sunlight (λ = 300–450 nm) photooxidized hexane into two isomers of hexyl nitrate and peroxyacetal nitrate (Cox et al., 1980).
Chemical/Physical. Complete combustion in air yields carbon dioxide and water vapor.

storage

hexane should be used only in areas free of ignition sources, and quantities greater than 1 liter should be stored in tightly sealed metal containers in areas separate from oxidizers.

Shipping

UN1208 Hexanes, Hazard Class: 3; Labels: 3-Flammable liquid.

Purification Methods

Purify as for n-heptane. Modifications include the use of chlorosulfonic acid or 35% fuming H2SO4 instead of conc H2SO4 in washing the alkane, and final drying and distilling from sodium hydride. Unsaturated impurities can be removed by shaking the hexane with nitrating acid (58% H2SO4, 25% conc HNO3, 17% water, or 50% HNO3, 50% H2SO4), then washing the hydrocarbon layer with conc H2SO4, followed by H2O, drying, and distilling over sodium or n-butyl lithium. It can also be purified by distillation under nitrogen from sodium benzophenone ketyl solubilised with tetraglyme. Also purify it by passage through a silica gel column followed by distillation [Kajii et al. J Phys Chem 91 2791 1987]. It is a FLAMMABLE liquid and a possible nerve toxin. [Beilstein 1 IV 338.] Rapid purification: Distil, discarding the first forerun and stored over 4A molecular sieves.

Toxicity evaluation

Identification of 2,5-hexanedione as the major neurotoxic metabolite of n-hexane proceeded rapidly after its discovery as a urinary metabolite. 2,5-Hexanedione has been found to produce a polyneuropathy indistinguishable from n-hexane. 2,5-Hexanedione is many times more potent than n-hexane, the parent compound, in causing neurotoxicity in experimental animals. It appears that the neurotoxicity of 2,5-hexanedione resides in its γ-diketone structure since 2,3-, 2,4-hexanedione and 2,6-heptanedione are not neurotoxic, while 2,5-heptanedione and 3,6-octanedione and other g-diketones are neurotoxic.

Incompatibilities

May form explosive mixture with air. Contact with strong oxidizers may cause fire and explo sions. Contact with dinitrogen tetraoxide may explode @ 28℃.Attacks some plastics, rubber and coatings. May accumulate static electrical charges, and may cause ignition of its vapors.

Waste Disposal

Dissolve or mix the material with a combustible solvent and burn in a chemical incinera tor equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.

Hexane Preparation Products And Raw materials

Raw materials

Preparation Products

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Hexane Suppliers

Jilin beihua fine chemical co. LTD
Tel
0432-63983789-
Fax
086 0432 276366
Email
gu-yanhua@163.com
Country
China
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Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
021-20337333-801
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
24980
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Shanghai QianYan Bio-technology Co., Ltd
Tel
02781293128
Email
orders@biochemsafebuy.com
Country
China
ProdList
9965
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Aikon International Limited
Tel
025-58859352-
Fax
(5)02557626880
Email
cfding@aikonchem.com
Country
China
ProdList
13725
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58
Shanghai heller chemical technology co., ltd.
Tel
Email
3300324741@qq.com
Country
China
ProdList
136
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58
Jinan Trands Chemical Co. LTD
Tel
0531-88770911- ;0531-88770911-
Fax
0531-88770911
Email
277033665@qq.com;1343989492@qq.com
Country
China
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ShangHai Anpel Co, Ltd.
Tel
021-54890099
Email
shanpel@anpel.com.cn
Country
CHINA
ProdList
1584
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Shandong Xuchen Chemical Technology Co. Ltd
Tel
0533-15053312575;
Email
3523649491@qq.com
Country
China
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198
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FTSCI (Hubei) Science and Technology Co., Ltd.
Tel
027-65522629-606
Email
mandy@ftsci.com.cn
Country
China
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J & K SCIENTIFIC LTD.
Tel
010-82848833- ;010-82848833-
Fax
86-10-82849933
Email
jkinfo@jkchemical.com;market6@jkchemical.com
Country
China
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96815
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View Lastest Price from Hexane manufacturers

Jinan Finer Chemical Co., Ltd
Product
Hexane 110-54-3
Price
US $0.00/KG
Min. Order
1KG
Purity
≥99%
Supply Ability
20000mt/year
Release date
2021-04-07
Shandong Yanshuo Chemical Co., Ltd.
Product
n-Hexane 110-54-3
Price
US $134.00/Kg/Drum
Min. Order
10560KG
Purity
60%, 80%, 99%
Supply Ability
500mt/month
Release date
2021-08-25
Product
n-Hexane 110-54-3
Price
US $0.00/T
Min. Order
500KG
Purity
98%
Supply Ability
100 Tons
Release date
2021-09-08

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