According to the United Nations GHS(Fifth Revision), the risk category and labeling elements of the product
Emergency overview: Compression of non-flammable gas. In case of high heat, the pressure inside the container increases and there is a risk of cracking and explosion
Warning word: Danger
Physical hazards: flammable gas, high pressure gas, Class 1, compressed gas
Health hazards: Acute toxicity – inhalation, category 3
Danger description :H220 is extremely flammable gas, H280 is loaded with high pressure gas; May explode when exposed to heat, H331 may be inhaled poison.
Precautionary statement

Precautions: Keep P210 away from heat sources/sparks/open flames/hot surfaces. No smoking. P261 Avoid inhaling dust/smoke/gas/smoke/vapor/spray. P271 can only be used outdoors or in well-ventilated areas.
Incident Response: P311 Call detoxification center/doctor. 

P377 Gas leak fire: Do not extinguish the fire unless the leak can be safely plugged. P381 Remove all ignition sources, there is no danger if you do so. 

P304+P340 In case of accidental inhalation: Transfer the victim to a place with fresh air and maintain a resting position with comfortable breathing.
Safe storage: Store P403 in a well-ventilated place. P405 storage area must be locked. Store P403+P233 in a well-ventilated place. Keep container closed P410+P403 sun proof. Store in a well-ventilated place. 

Disposal :P501 Dispose of contents/containers in accordance with local/regional/national/international regulations.