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CAS 75-56-9 Propylene oxide
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CAS 75-56-9 Propylene oxide

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Molecular formula:C3H6O
Molecular weight:58.08
Melting point:-112 °C
Boiling point: 34 °C(lit.)
Density:0.83 g/mL at 25 °C(lit.)

Product description

Colorless ethereal liquid, low boiling point, flammable. There are chiral, industrial products are generally racemic mixture of two enantiomers. It is partially miscible with water and miscible with ethanol and ether. A binary azeotropic mixture was formed with pentane, pentene, cyclopentane, cyclopentene and dichloromethane. Toxic, irritating to mucous membrane and skin, can damage cornea and conjunctiva, cause respiratory pain, skin burn and swelling, and even tissue necrosis.


Propylene oxide (PO) is the third largest propylene derivative in addition to polypropylene and acrylonitrile. It is an important basic raw material for organic chemical synthesis. It is mainly used in the production of polyether, propylene glycol and so on. It is also the main raw material of the fourth generation detergent nonionic surfactant, oilfield demulsifier, pesticide emulsifier, etc. The derivatives of propylene oxide are widely used in automobile, construction, food, tobacco, medicine and cosmetics industries. Nearly 100 kinds of downstream products have been produced, which are important raw materials for fine chemical products.

HNMR of Propylene oxide

CNMR of Propylene oxide

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