General Information
Revision date
2021-03-17
Product name
HYDROGEN, REFRIGERATED LIQUID
Product Synonyms
Liquid Hydrogen, Hydrogen Liquid, LH2; Para Hydrogen
CAS No.
1333-74-0
1.2.1 Relevant identified uses
Industrial and professional use
1.2.2. Uses advised against
Consumer use
Emergency telephone
+1 800-232-4726, 1-800-424-9300, +1-703-527-3887
Icons in SDS
Company Information
company name
Messer North America, Inc. - Messer LLC
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H220, H281
Hazard statements
Code
Statements
H220
Extremely flammable gas
Section 2
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
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