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Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:

N-OCTANE Properties

Melting point:
−57 °C(lit.)
Boiling point:
125-127 °C(lit.)
0.703 g/mL at 25 °C(lit.)
vapor density 
3.9 (vs air)
vapor pressure 
11 mm Hg ( 20 °C)
refractive index 
n20/D 1.398(lit.)
Flash point:
60 °F
storage temp. 
Flammables area
ethanol: soluble(lit.)
Clear colorless
explosive limit
Water Solubility 
0.0007 g/L (20 ºC)
Stable. Highly flammable. Readily forms explosive mixtures with air. Incompatible with oxidizing agents.
CAS DataBase Reference
111-65-9(CAS DataBase Reference)
NIST Chemistry Reference
EPA Substance Registry System
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F,Xn,N
Risk Statements  11-38-50/53-65-67
Safety Statements  9-16-29-33-60-61-62
RIDADR  UN 1262 3/PG 2
WGK Germany  1
RTECS  RG8400000
HazardClass  3
PackingGroup  II
HS Code  29011000
Hazardous Substances Data 111-65-9(Hazardous Substances Data)
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
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
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P331 Do NOT induce vomiting.
P391 Collect spillage. Hazardous to the aquatic environment
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.
P405 Store locked up.

N-OCTANE price More Price(26)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.09716 n-Octane reference substance for gas chromatography 111-65-9 1EA $204 2017-11-08 Buy
Sigma-Aldrich 296988 Octane anhydrous, ≥99% 111-65-9 1l $269.5 2017-11-08 Buy
TCI Chemical O0022 n-Octane >97.0%(GC) 111-65-9 25mL $21 2017-12-01 Buy
TCI Chemical O0022 n-Octane >97.0%(GC) 111-65-9 100mL $50 2017-12-01 Buy
Alfa Aesar A13181 n-Octane, 98+% 111-65-9 100ml $26.1 2017-11-08 Buy

N-OCTANE Chemical Properties,Uses,Production

Chemical Properties

colourless liquid


ChEBI: A straight chain alkane composed of 8 carbon atoms.

General Description

Colorless liquid with an odor of gasoline. Less dense than water and insoluble in water. Hence floats on water. Produces irritating vapor.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

May be incompatible with strong oxidizing agents like nitric acid. Charring may occur followed by ignition of unreacted material and other nearby combustibles. In other settings, mostly unreactive. Not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents. When heated sufficiently or when ignited in the presence of air, oxygen or strong oxidizing agents, burns exothermically to produce mostly carbon dioxide and water.

Health Hazard

Inhalation of concentrated vapor may cause irritation of respiratory tract, depression, and pulmonary edema. Liquid can cause irritation of eyes and (on prolonged contact) irritation and cracking of skin. Ingestion causes irritation of mouth and stomach. Aspiration causes severe lung irritation, rapidly developing pulmonary edema, and central nervous system excitement, followed by depression.

Fire Hazard

Behavior in Fire: Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back.

Purification Methods

Extract the octane repeatedly with conc H2SO4 or chlorosulfonic acid, then wash it with water, dry and distil it. Alternatively, purify it by azeotropic distillation with EtOH, followed by washing with water to remove the EtOH, drying and distilling it. For further details, see n-heptane. It is also purified by zone melting. [Beilstein 1 H 159, 1 I 60, 1 II 122, 1 III 457, 1 IV 412.]

N-OCTANE Preparation Products And Raw materials

Raw materials

Preparation Products

N-OCTANE Suppliers

Global( 160)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32765 55
Shanghai Aladdin Bio-Chem Technology Co.,LTD 021-20337333/400-620-6333
021-50323701 China 25127 65
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40399 62
3B Pharmachem (Wuhan) International Co.,Ltd. 86-21-50328103 * 801、802、803、804 Mobile:18930552037
86-21-50328109 China 15940 69
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30308 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 China 22909 81
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44192 61
Beijing Ouhe Technology Co., Ltd +86-10-4006331231;+86-10-51280831;+86-10-82967028
+86-10-82967029 China 12613 60
Adamas Reagent, Ltd. 400-600-9262 China 14017 59

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