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Common Name
Propylene oxide
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中文通用名
环氧丙烷
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IUPAC
1,2-Epoxypropane
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CAS No.
75-56-9
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Molecular Formula
C3H6O
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Molecular Structure
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Category
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Activity
fumigant
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CropUse
The United States Food and Drug Administration has approved the use of propylene oxide to pasteurize raw almonds beginning on September 1, 2007 in response to two incidents of contamination by Salmonella in commercial orchards, one incident occurring in Canada, and one incident in the United States. Pistachio nuts can also be subjected to propylene oxide to control Salmonella. It is a method approved by the FDA.
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Physical Properties
Description: Colorless liquid
Molecular weight: 58.08
Density: 0.83 g/cm3 @ 20° C
Boiling point: 34.23° C
Melting point: -112.13° C
Vapor pressure: 445 torr @ 20° C
Solubility: Soluble in water, miscible in acetone, benzene, carbon tetrachloride, methanol, ether
Conversion factor: 2.38 mg/m3 per ppm at 25° C