1,2-epoxypropane,Propylene oxide.
Cas Number: 75-56-9 .
Propylene oxide is a highly toxic flammable chemical compound. It is an epoxide having a molecular formula C3H6O.
Propylene oxide has a single chiral center, and thus exists as a pair of enantiomers. The material commonly available is a racemic mixture of the two enantiomers.
Its major industrial application is as a monomer for the production of polyether polyols for use in making polyurethane plastics
Between 60 and 70% of all propylene oxide is consumed making polyether polyols for use in making polyurethane plastics. [4] Propylene oxide is also used in the production of propylene glycol (using about 20% of propylene oxide), polypropylene glycol, propylene glycols ethers and propylene carbonate.
Item Index
Highest-class Higher-class Up to standard
Appearance Transparent liquid without mechanical impurities
Color (platinum-cobalt color No.,No.?? 10 10 20
Acidityas acetic acid,%?? 0.005 0.008 0.04
Moisture,%?? 0.025 0.035 0.10
Total aldehyde (as propionaldehyde,%?? 0.02 0.03 0.15
Ethylene oxide,% 0.02 0.10 0.50
Inorganic chlorideas chlorine ion,%?? 0.005 -
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