Classification of hazardous substances

CLASSIFICATION OF HAZARDOUS SUBSTANCES

The hazardous substances are classified into eight classes. These are as under :CLASS 1 EXPLOSIVES

  CLASS 2 GASES, COMPRESSED, LIQUEFIED, DISSOLVED OR DEEPLY REFRIGERATED, INFLAMMABLE GASES, POISON

(TOXIC) GASES.  CLASS 3 INFLAMMABLE LIQUIDS  CLASS 4 INFLAMMABL SOLIDS, SUBSTANCES LIABLE TO

SPONTANEOUS CONBUSTION; SUBSTANCES WHICH ON CONTACT WITH WATER EMIT INFLAMMABLE GASES.

  Division 4.1 Inflammable solids  Division 4.2 Substances liable to spontaneous

combustion.  Division 4.3 Substances, which in contact with water, emit

inflammable gases. CLASS 5 OXIDISING SUBSTANCES  Division 5.1 oxidizing substances  Division 5.2 Organic peroxides  CLASS 6 POISONOUS (TOXIC) AND INFECTIOUS SUBSTANCES  Division 6.1 Poisonous (toxic) substances  Division 6.2 Infectious substances  CLASS 7 RADIOACTIVE SUBSTANCES  CLASS 8 CORROSIVES 

For details, the Central Motor Vehicles Rules may be referred.