HYDROGEN, REFRIGERATED LIQUID

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 Contains refrigerated gas; may cause cryogenic burns or injury May displace oxygen and cause rapid suffocation May form explosive mixtures with air Burns with invisible flame

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 Wear cold insulating gloves, face shield, and eye protection Use a backflow preventive device in piping Do NOT change or force fit connections Close valve after each use and when empty Use insulated hoses and piping to avoid condensation of oxygen-rich liquid air Always keep container in upright position

Response

IF INHALED: Remove person to fresh air and keep comfortable for breathing. Get medical attention/advice. IF ON SKIN:. Thaw frosted parts with lukewarm water. Do not rub affected area. Get immediate medical advice/attention. Leaking gas fire: do not extinguish, unless leak can be stopped safely Eliminate all ignition sources if safe to do so

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 Refrigerated liquefied gas Simple asphyxiants Yes