Note: Ingredients listed on restricted chemical lists
EC/CAS
75-56-9
Name of the chemical
Methyloxirane (Propylene oxide)
Concentration
>95
General Information
Version
8
Revision date
2026-07-20
Product name
(+/-)-Propylene oxide
Product Synonyms
1,2-Epoxypropane; Methyloxirane
CAS No.
75-56-9
supplier name
Fisher Scientific UK
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific UK
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H224, H302, H311+H331, H315, H319, H335, H340, H350
Hazard statements
Code
Statements
H224
Extremely flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Colorless aromatic Emergency Overview Extremely flammable liquid and vapor. Causes skin irritation. Causes serious eye irritation. May cause genetic defects. May cause respiratory irritation. Harmful if swallowed. Toxic in contact with skin. Toxic if inhaled. May cause cancer. Hazardous polymerization may occur Classification of the substance or mixture Flammable liquids Category 1 Acute Oral Toxicity Category 4 Acute Dermal Toxicity Category 3 Acute Inhalation Toxicity - Vapors Category 3 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Germ Cell Mutagenicity Category 1B Carcinogenicity Category 1B Specific target organ toxicity - (single exposure) Category 3 Label Elements
Signal word
Danger Hazard Statements H224 - Extremely flammable liquid and vapor H315 - Causes skin irritation H319 - Causes serious eye irritation H340 - May cause genetic defects H335 - May cause respiratory irritation H302 - Harmful if swallowed H350 - May cause cancer H311 + H331 - Toxic in contact with skin or if inhaled
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P240 - Ground and bond container and receiving equipment P241 - Use explosion-proof electrical/ ventilating/ lighting equipment P242 - Use non-sparking tools P271 - Use only outdoors or in a well-ventilated area P243 - Take action to prevent static discharges P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P280 - Wear eye protection/ face protection
Response
P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P311 - Call a POISON CENTER or doctor P330 - Rinse mouth P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P405 - Store locked up P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Vapors may cause flash fire or explosion. Extremely flammable. Hazardous polymerization may occur.
Health hazards
Causes skin irritation. Causes serious eye irritation. May cause genetic defects. May cause respiratory irritation. Harmful if swallowed. Toxic in contact with skin. Toxic if inhaled. May cause cancer.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Will likely be mobile in the environment due to its volatility. The product contains volatile organic compounds (VOC) which will evaporate easily from all surfaces.
2.3 Other hazards
Hazardous polymerization may occur. Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Classification of the substance or mixture Flammable liquids. Category 1 Acute Oral Toxicity Category 4 Acute Dermal Toxicity Category 3 Acute Inhalation Toxicity - Vapors Category 3 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Germ Cell Mutagenicity Category 1B Carcinogenicity Category 1B Specific target organ toxicity - (single exposure)