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Abbreviation
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Hazard
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Description of hazard
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(Physicochemical)
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 E
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explosive
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Chemicals that explode.
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 O
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oxidising
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Chemicals that react exothermically with other chemicals.
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 F+
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extremely flammable
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Chemicals that have an extremely low flash point and boiling point, and gases that catch fire in contact with air.
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F
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highly flammable
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Chemicals that may catch fire in contact with air, only need brief contact with an ignition source, have a very low flash point or evolve highly flammable gases in contact with water.
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(Health)
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 T+
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very toxic
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Chemicals that at very low levels cause damage to health.
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T
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toxic
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Chemicals that at low levels cause damage to health.
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Carc Cat 1
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category 1 carcinogens
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Chemicals that may cause cancer or increase its incidence.
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Carc Cat 2
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category 2 carcinogens
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 Carc Cat 3
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category 3 carcinogens
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Muta Cat 1
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category 1 mutagens
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Chemicals that induce heritable genetic defects or increase their incidence.
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Muta Cat 2
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category 2 mutagens
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Muta Cat 3
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category 3 mutagens
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Repr Cat 1
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category 1 reproductive toxins
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Chemicals that produce or increase the incidence of non-heritable effects in progeny and/or impairment in reproductive functions or capacity.
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Repr Cat 2
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category 2 reproductive toxins
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Repr Cat 3
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category 3 reproductive toxins
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Xn
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harmful
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Chemicals that may cause damage to health.
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 C
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corrosive
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Chemicals that may destroy living tissue on contact.
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Xi
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irritant
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Chemicals that may cause inflammation to the skin or other mucous membranes.
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(Environmental)
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 N
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dangerous for the environment
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Chemicals that may present an immediate or delayed danger to one or more components of the environment
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