beta-Propiolactone

Hazard statements (CLP)

H350

Code

Statements

H350

May cause cancer

SECTION 2: Hazards identification

(29 CFR 1910.1200) Classification

Signal word

Danger Hazard Statements Combustible liquid Causes skin irritation Causes serious eye irritation Fatal if inhaled May cause cancer

Prevention

Obtain special instructions before use Do not handle until all safety precautions have been read and understood Do not breathe dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Wear respiratory protection Wash face, hands and any exposed skin thoroughly after handling Wear eye/face protection Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep cool Wear protective gloves/protective clothing/eye protection/face protection

Response

IF exposed or concerned: Get medical attention/advice Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Immediately call a POISON CENTER or doctor Skin IF ON SKIN: Wash with plenty of soap and water If skin irritation occurs: Get medical advice/attention Take off contaminated clothing Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If eye irritation persists: Get medical advice/attention Fire In case of fire: Use CO2, dry chemical, or foam to extinguish

Storage

Store locked up Store in a well-ventilated place. Keep container tightly closed

Disposal

Dispose of contents/container to an approved waste disposal plant

2.3 Other hazards

None identified

2.1 Classification of the substance or mixture

This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Flammable liquids Category 4 Acute Inhalation Toxicity - Vapors Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Carcinogenicity