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Classification of dangerous substances and preparations
| Category of danger | Property | Symbol-letter |
| Physico-chemical Properties | ||
| Explosive | Chemicals which may react exothermically without atmospheric oxygen thereby quickly evolving gases, and which under defined test conditions detonate or upon heating explode when partially confined. |
E
|
| Oxidising | Chemicals that react exothermically with other chemicals, particulary flammable chemicals. |
O
|
| Extremely flammable | Chemicals that have an extremely low flash point and boiling point, and gases that catch fire in contact with air at ambient temperature and pressure. |
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. |
F
|
| Flammable | Chemicals that have a low flash point. | none |
| Health Effects | ||
| Very toxic | Chemicals which in very low quantities cause death or acute or chronic damage to health. | T+ |
| Toxic | Chemicals which in low quantities cause death or acute or chronic damage to health. | T |
| Harmful | Chemicals which may cause death or acute or chronic damage to health. | Xn |
| Corrosive | Chemicals that may destroy living tissue on contact. | C |
| Irritant | Non-corrosive chemicals that may cause inflammation to the skin or other mucous membranes. | Xi |
| Sensitising by skin contact | Chemicals which are capable of eliciting a reaction by hypersensitization such that on further exposure to the chemical, characteristic adverse effects are produced | Xi |
| Sensitising by inhalation | Xn | |
| Carcinogenic category 1 | Chemicals that may cause cancer or increase its incidence. | T |
| Carcinogenic category 2 | T | |
| Carcinogenic category 3 | Xn | |
| Mutagenic category 1 | Chemicals that induce heritable genetic defects or increase their incidence. | T |
| Mutagenic category 2 | T | |
| Mutagenic category 3 | Xn | |
| Toxic for reproduction category 1 | Chemicals that produce or increase the incidence of non-heritable adverse effects in progeny and/or an impairment in reproductive functions or capacity. | T |
| Toxic for reproduction category 2 | T | |
| Toxic for reproduction category 3 | Xn | |
| Environmental Effects | ||
| Dangerous for the environment | Chemicals that may present an immediate or delayed danger to one or more components of the environment | N |
|
Also
in this section
|
 CHIP
hazard signs |
| Risk
Phrases |
| Safety
Phrases |
| Labelling
for Supply |
