Table 7.

Chemical classes in the NICEATM database

Chemical Class	No. of Substances	Chemical Class	No. of Substances
Alcohols	40	Isocyanates	4
Aldehydes	2	Lactones	1
Aluminum compounds	1	Nitriles	2
Amidines	1	Nitro compounds	4
Amines, including salts	26	Oniums	4
Anhydrides	1	Organics, including salts	19
Boron compounds	1	Organometallic compounds	1
Carboxylic acids, including salts	9	Organophosphorus compounds	6
Esters	26	Organosilicon compounds	10
Ethers	43	Peroxides	1
Formulations	215	Phenols	9
Heterocycles	10	Polycyclic compounds	3
Hydrocarbons (acyclic, cyclic, halogenated)	35	Quinones	2
Imides	1	Sulfur compounds	9
Inorganic, including salts	8	Urea	1