⚠ DANGER: Extremely flammable and shock-sensitive in pure form. Widest flammability range of common gases (2.5–100% in air). Dissolved in acetone in cylinders — NEVER use at pressures above 15 PSI (risk of decomposition explosion).
GHS Hazard Pictograms
🔥 Flammable💥 Explosive🔵 Compressed Gas
Hazard Statements (H-codes)
H220 – Extremely flammable gas
H230 – May react explosively even in the absence of air
H280 – Contains gas under pressure
Precautionary Statements (P-codes)
P210 – Keep away from heat/sparks/open flames
P377 – Leaking gas fire: Do not extinguish unless leak can be stopped
P381 – In case of leakage: eliminate ignition sources
P403 – Store in well-ventilated place
First Aid Measures (Section 4)
👁Eye Contact▼
High-pressure contact: flush with water. Seek medical attention.
🖐Skin Contact▼
Cryogenic contact: flush with tepid water. Do not rub. Seek medical attention.
🫁Inhalation▼
Remove to fresh air. Asphyxiant. If unconscious, call 911.
🫦Ingestion▼
Not applicable (gas).
Storage & Handling
🔒 Storage & Handling: Store upright in well-ventilated area. Keep away from oxidizers (especially oxygen cylinders). Never exceed 15 PSI draw rate. Use flashback arrestors on torches.
PPE Requirements
Welding goggles/helmet
Leather welding gloves
Flame-resistant clothing
Flashback arrestors on torch equipment
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