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SymbolAbbreviation Hazard Description of hazard
[3] E explosive Chemicals that explode.
[4] O oxidising Chemicals that react exothermically with other chemicals.
[5] F+ extremely flammable Chemicals that have an extremely low flash point and boiling point, and gases that catch fire in contact with air.
[6] F highly flammable 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.
[7] T+ very toxic Chemicals that at very low levels cause damage to health.
[8] T toxic Chemicals that at low levels cause damage to health.
[9] Carc Cat 1 category 1 carcinogens Chemicals that may cause cancer or increase its incidence.
[10] Carc Cat 2 category 2 carcinogens
[11] Carc Cat 3 category 3 carcinogens
[12] Muta Cat 1 category 1 mutagens Chemicals that induce heritable genetic defects or increase their incidence.
[13] Muta Cat 2 category 2 mutagens
[14] Muta Cat 3 category 3 mutagens
[15] Repr Cat 1 category 1 reproductive toxins Chemicals that produce or increase the incidence of non-heritable effects in progeny and/or an impairment in reproductive functions or capacity.
[16] Repr Cat 2 category 2 reproductive toxins
[17] Repr Cat 3 category 3 reproductive toxins
[18] Xn harmful Chemicals that may cause damage to health.
[19] C corrosive Chemicals that may destroy living tissue on contact.
[20] Xi irritant Chemicals that may cause inflammation to the skin or other mucous membranes.
[21] N dangerous for the environment Chemicals that may present an immediate or delayed danger to one or more components of the environment