Note: Ingredients listed on restricted chemical lists
EC/CAS
75-56-9
Name of the chemical
Methyloxirane (Propylene oxide)
Concentration
≤100
General Information
Version
1.0
Revision date
2021-04-12
Product name
Propylene Oxide
Substance name
Propylene Oxide
Product Synonyms
Epoxypropane / 1,2-Epoxypropane / Methyloxirane / Oxirane, methyl- / Propane, 1,2-epoxy- /Propylene epoxide / 1,2-Propylene oxide / Oxirane, 2-methyl- / 2-Methyloxirane
Chemical name
propylene oxide, 1,2-epoxypropane, methyloxirane
CAS No.
75-56-9
1.2.1 Relevant identified uses
Use as laboratory reagent, Manufacture of substances
supplier name
Polysciences
Emergency telephone
1-800-255-3924
Icons in SDS
Company Information
company name
Polysciences
e-mail address of the competent person responsible for the Safety Data Sheet
info@polysciences.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H225, H302, H315, H318
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture GHS US classification Flammable liquids Category 2 Highly flammable liquid and vapor Acute toxicity (oral) Category 4 Harmful if swallowed Skin corrosion/irritation Category 2 Causes skin irritation Serious eye damage/eye irritation Category 1 Causes serious eye damage
2.2 Label elements
GHS US labeling
Signal word
Danger
Hazard statements
Highly flammable liquid and vapor Harmful if swallowed Causes skin irritation Causes serious eye damage
Precautionary statements
Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep container tightly closed. Ground/Bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge.
Other hazards which do not result in classification
No additional information available
Ingredient(s) with unknown acute toxicity
Not applicable 02/27/2026 EN (English US) Page 1
2.1 Classification of the substance or mixture
GHS US classification Flammable liquids Category 2 Highly flammable liquid and vapor Acute toxicity (oral) Category 4 Harmful if swallowed Skin corrosion/irritation Category 2 Causes skin irritation Serious eye damage/eye irritation Category 1 Causes serious eye damage
