IS-2379 Color Codes for Industrial Gases

Contents	Ground Colour	First Colour Band	Second Colour Band
Ammonia	Canary yellow	Dark violet	—
Chlorine	Canary yellow	Dark violet	Light orange
Hydrocyanic acid	Canary yellow	Dark violet	Post office red
Phenole	Canary yellow	Dark violet	Smoke grey
Sulphur dioxide	Canary yellow	Dark violet	Golden brown
Acetylene	Canary yellow	Service brown	—
Flare gases	Canary yellow	—	—
Hydrogen sulphide	Canary yellow	Gulf red	—
Argon	Canary yellow	French blue	—
Benzole	Canary yellow	Dark violet	French blue
Blast furnace gas	Canary yellow	Signal red	Light grey
Butane	Canary yellow	Signal red	—
Coal gas	Canary yellow	Signal red	Brilliant green
Carbon dioxide ( temperate )	Canary yellow	Light grey	—
Carbon monoxide	Canary yellow	Signal red	White
Coke oven gas	Canary yellow	Signal red	Dark violet
Ethylchloride ( inflammable )	Canary yellow	Light grey	Signal red
Ethylchloride ( non-inflammable )	Canary yellow	Light grey	White
Ethylene	Canary yellow	Dark violet	Signal red
Ethylene oxide	Canary yellow	Dark violet	Brilliant green
Freon ( chlorofluoro derivative of methane and ethane )	Canary yellow	Light grey	Dark violet
Helium	Canary yellow	Light brown	—
Hydrogen	Canary yellow	Signal red	French blue
Methane	Canary yellow	Signal red	Light brown
Methylbromide	Canary yellow	French blue	Black
Methylchloride ( inflammable)	Canary yellow	Brilliant green	Signal red
Methylchloride ( non-inflammable )	Canary yellow	Brilliant green	French blue
Neon	Canary yellow	Light brown	Black
Nitrogen	Canary yellow	Black	—
Oxygen	Canary yellow	White	—
Propane	Canary yellow	Signal red	Black
Phosgene	Canary yellow	Black	White

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