General Information
Version
2.2
Revision date
2025-05-27
Product name
Liquid Hydrogen
Substance name
Liquid Hydrogen
CAS No.
1333-74-0
1.2.1 Relevant identified uses
Industrial use; Use as directed
Emergency telephone
1-800-645-4633, 1-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Linde Inc
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
Classification of the substance or mixture GHS-US classification Simple asphyxiant SIAS Flam. Gas 1 H220 Press. Gas (Ref. Liq.) H281
2.2 Label elements
GHS US labelling
Hazard pictograms
GHS02 GHS04
Signal word
Danger
Hazard statements
H220 - EXTREMELY FLAMMABLE GAS H281 - CONTAINS REFRIGERATED GAS; MAY CAUSE CRYOGENIC BURNS OR INJURY OSHA-H01 - MAY DISPLACE OXYGEN AND CAUSE RAPID SUFFOCATION. CGA-HG04 - MAY FORM EXPLOSIVE MIXTURES WITH AIR CGA-HG08 - BURNS WITH INVISIBLE FLAME.
Precautionary statements
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. Heat, Open flames, Sparks P271+P403 - Use and store only outdoors or in a well-ventilated place. P282 - Wear cold insulating gloves/face shield/eye protection. cold insulating gloves, protective clothing, face shield, eye protection P377 - LEAKING GAS FIRE: Do not extinguish, unless leak can be stopped safely. P381 - Eliminate all ignition sources if safe to do so. P304, P340, P313 - IF INHALED: Remove person to fresh air and keep comfortable for breathing. Get medical advice/attention. EN (English) SDS ID: P-4603 1/10 P302, P336, P315 - IF ON SKIN: Thaw frosted parts with lukewarm water. Do not rub affected area. Get immediate medical advice/attention. CGA-PG05 - Use a back flow preventive device in the piping. CGA-PG26 - Use insulated hoses and piping to avoid condensation of oxygen-rich liquid air. CGA-PG24 - DO NOT change or force fit connections. CGA-PG20+CGA-PG10 - Use only with equipment of compatible materials of construction and rated for cylinder pressure. CGA-PG12 - Do not open valve until connected to equipment prepared for use. CGA-PG06 - Close valve after each use and when empty. CGA-PG23 - Always keep container in upright position.
Other hazards which do not result in classification
Contact with liquid may cause cold burns/frostbite. Asphyxiant in high concentrations.
Ingredient(s) with unknown acute toxicity
Not applicable
2.1 Classification of the substance or mixture
GHS-US classification Simple asphyxiant SIAS Flam. Gas 1 H220 Press. Gas (Ref. Liq.) H281
