PROPYLENE OXIDE

PRODUCT IDENTIFICATION

CAS NO. 75-56-9

PROPYLENE OXIDE

EINECS NO. 200-879-2
FORMULA C3H6O
MOL WT. 58.0414

H.S. CODE

2910.20
TOXICITY Oral rat LD50: 380 mg/kg
SYNONYMS

2-Methyl oxirane; Epoxy Propane; 2,3-Epoxypropane;

Methyl Oxirane; Epoxypropane; Methyloxirane; 1,2-Epoxypropane; Propene oxide; Propylene epoxide; 1,2-Epoxypropane; 1,2-Propylene oxide; 3-Methyl-1,2-epoxypropane; 2-Methyloxiran; Methylethylene oxide; AD 6; Methyl Ethylene oxide; Oxyde de propylene;

DERIVATION

 

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE clear liquid

MELTING POINT

-112 C

BOILING POINT 34 C
SPECIFIC GRAVITY 0.83
SOLUBILITY IN WATER Soluble
pH 8.1
VAPOR DENSITY 2

AUTOIGNITION

 

NFPA RATINGS

Health: 3; Flammability: 4; Reactivity: 2

REFRACTIVE INDEX

 
FLASH POINT 70 C
STABILITY May polymerize when exposed to heat or flame with the influence of bases, acids and metallic chlorides.

GENERAL DESCRIPTION AND APPLICATIONS

Propylene oxide is a clear, flammable, very volatile liquid, with ether like aroma. It is soluble in water, alcohol, and ether. It may violently polymerize when exposed to heat or acids, chlorine, ammonia, oleum, hydrogen fluoride and strong oxidants. This substance is used as an intermediate in the production of polyols. Polyols are main raw materials in the production of polyurethane foams, coatings, and adhesives. Propylene oxide is used in manufacturing propylene glycols and their ethrs having wide range of applications including industrial solvents, paint and coating solvents, polyester and alkyd resins, antifreeze coolants, heat transfer fluids, deicing fluids, plasticizers, surfactants, bactericide and pharamceuticals. Propylene oxide is used in manufactuing isopropanolamines (used as an emulsifying agent and for dry-cleaning soaps, wax polishes, paint strippers, plasticizers, and insecticides. It is also used as an amine component for anionic surfactants and foam stabilizers. End applications include cossmetic cleaners, paper softners and detergents)
SALES SPECIFICATION

APPEARANCE

clear liquid
SPECIFIC GRAVITY

0.83 ± 0.01

COLOR, APHA

10 max

FREE ACID

30ppm max

ALDEHYDE

30ppm max

MOISTURE

0.002% max

NON-VOLATILES

0.002% max

TRANSPORTATION

PACKING  
HAZARD CLASS 3 (Packing Group: I)
UN NO.

1280

OTHER INFORMATION
Hazard Symbols: T F+, Risk Phrases: 12-20/21/22-36/37/38-45, Safety Phrases: 53-45