OYSI

H221

Physical hazard

Flammable gas.

Flame

Associated GHS Pictograms

Flame

Flame

GHS02

Flammable. May ignite on contact with air, water, or heat sources.

Affected Substances

The following substances in our database carry the hazard statement H221:

ammonia, anhydrousCAS 7664-41-7H3N

Related H-Statements

H200Unstable explosive.H201Explosive; mass explosion hazard.H220Extremely flammable gas.H224Extremely flammable liquid and vapour.H225Highly flammable liquid and vapour.H226Flammable liquid and vapour.H227Combustible liquid.H228Flammable solid.

Frequently Asked Questions

What does H221 mean?
The hazard statement H221 means: "Flammable gas.". It belongs to the category "Physical hazard" according to CLP Regulation (EC) No 1272/2008.
Which substances have H221?
In our database, 1 substances carry the hazard statement H221. The complete list can be found in the "Affected Substances" section on this page.
Which GHS pictogram belongs to H221?
The H-Statement H221 is associated with specific GHS pictograms that visually represent the type of hazard. The associated pictograms can be found at the top of this page.

According to CLP Regulation (EC) No 1272/2008. Information is for guidance only – for legally binding data, refer to the Safety Data Sheet (SDS).

All H-Statements