ACETYLENE

SECTION 2: Hazards identification

This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Classification

Signal word

Danger Hazard Statements Extremely flammable gas May react explosively even in the absence of air at elevated pressure and/or temperature Contains gas under pressure; may explode if heated May displace oxygen and cause rapid suffocation May form explosive mixtures with air Precautionary Statements - Prevention Do not handle until all safety precautions have been read and understood Keep away from heat, sparks, open flames, hot surfaces. — No smoking Use and store only outdoors or in a well ventilated place Use a backflow preventive device in piping Fusible plugs in top, bottom, or valve melt at 98 °C to 107 °C (208° F to 224° F). Do not discharge at pressures above 15 psi (103 kPa) Close valve after each use and when empty Never put cylinders into unventilated areas of passenger vehicles Precautionary Statements - Response IF INHALED: Remove person to fresh air and keep comfortable for breathing. Get medical attention/advice Leaking gas fire: do not extinguish, unless leak can be stopped safely Eliminate all ignition sources if safe to do so Precautionary Statements - Storage Protect from sunlight when ambient temperature exceeds 52°C/125°F

Precautionary statements

Disposal Dispose of contents/containers in accordance with container supplier/owner instructions

2.3 Other hazards

Not applicable

2.1 Classification of the substance or mixture

OSHA Regulatory Status This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200). Flammable gases Category 1 Gases under pressure Dissolved gas Simple asphyxiants Yes