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Hexane

Hexane
Hexane structure
CAS No.
110-54-3
Chemical Name:
Hexane
Synonyms
Esani;OXFORD;HEXANE;Heksan;HEXANES;Hexanen;n-C6H14;n-Hexan;1-HEXANE;n-Hexane
CBNumber:
CB1852811
Molecular Formula:
C6H14
Formula Weight:
86.18
MOL File:
110-54-3.mol

Hexane Properties

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 RT.
solubility 
Very soluble in ethanol, ethyl ether and chloroform.
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
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
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)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
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)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H401 Toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 2 P273, P501
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P281 Use personal protective equipment as required.
P331 Do NOT induce vomiting.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.

NFPA 704

Diamond Hazard Value Description
3
0
Health  
Flammability   3 Liquids and solids (including finely divided suspended solids) that can be ignited under almost all ambient temperature conditions . Liquids having a flash point below 22.8 °C (73 °F) and having a boiling point at or above 37.8 °C (100 °F) or having a flash point between 22.8 and 37.8 °C (73 and 100 °F). (e.g. gasoline, acetone)
Instability   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)
Special  

(NFPA, 2010)

Hexane price More Price(118)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 139386 Hexane ReagentPlus , ≥99% 110-54-3 100ml $52.8 2018-11-13 Buy
Sigma-Aldrich 139386 Hexane ReagentPlus , ≥99% 110-54-3 500ml $87 2018-11-13 Buy
TCI Chemical H0394 Hexane [for Spectrophotometry] >96.0%(GC) 110-54-3 100mL $42 2018-11-22 Buy
TCI Chemical H0490 Hexane [for HPLC Solvent] >96.0%(GC) 110-54-3 500mL $115 2018-11-22 Buy
Alfa Aesar 032454 n-Hexane, Spectrophotometric Grade, 95+% 110-54-3 1L $44.9 2018-11-16 Buy

Hexane Chemical Properties,Uses,Production

Chemical Properties

Colorless liquid

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, dizzi- ness, numbness of limbs, CNS depression, vertigo, and respiratory tract irritation to ani- mals 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.

Uses

Suitable for HPLC, spectrophotometry, environmental testing

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

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

A liquid alkane obtained from the light fraction of crude oil. The principal use of hexane is in gasoline and as a solvent.

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

Hexane and related aliphatic hydrocarbons exhibit only slight acute toxicity by all routes of exposure. The liquid may cause irritation upon contact with skin or eyes. Hexane vapor (and the vapor of other volatile hydrocarbons) at high concentrations (>1000 ppm) is a narcotic, and inhalation may result in lightheadedness, giddiness, nausea, and headache. Ingestion of hexane or other hydrocarbons may lead to aspiration of the substance into the lungs, causing pneumonia. Prolonged skin exposure may cause irritation due to the ability of these solvents to remove fats from the skin. Hexane is regarded as a substance with good warning properties. Chronic exposure to hexane or other aliphatic hydrocarbons may cause central nervous system toxicity. Hexane has not been found to be a carcinogen or reproductive toxin in humans.

Health Hazard

INHALATION causes irritation of respiratory tract, cough, mild depression, cardiac arrhythmias. ASPIRATION causes severe lung irritation, coughing, pulmonary edema; excitement followed by depression. INGESTION causes nausea, vomiting, swelling of abdomen, headache, depression.

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.

Fire Hazard

Flash Point (°F): -7 ℃; Flammable Limits in Air (%): 1.2-7.7; Fire Extinguishing Agents: Foam, dry chemical, or carbon dioxide; Fire Extinguishing Agents Not To Be Used: Not pertinent; Special Hazards of Combustion Products: Not pertinent; Behavior in Fire: Vapors may explode; Ignition Temperature (°F): 437; Electrical Hazard: Class I, Group D; Burning Rate: 7.3 mm/min.

Fire Hazard

Behavior in Fire: Vapors may explode

Fire Hazard

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.

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.

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, includ ing resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medi cal attention. Do not induce vomiting.

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.

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


Hexane Suppliers

Global( 282)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
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0086 158 5814 5714 (Mobile; WhatsApp; Telegram)
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View Lastest Price from Hexane manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-17 Hexane
110-54-3
US $1.00 / kg 1kg 99% 100KG career henan chemical co

Hexane Spectrum


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