Some typical oxidizers by NFPA classification. (continued)

OXIDIZING AGENTS BY

Spontaneous Heating and Pyrophoricity

DOE-HDBK-1081-94

NFPA CLASSIFICATION

Class 3

Class 3 (continued)

Ammonium dichromate

Perchloric acid solutions (60 percetn to 72 percetn by

Calcium hypochlorite (over 50 percent by weight)

weight)

Chloric acid (10 percent maximum concentration)

Potassium bromate

Hydrogen peroxide solutions (greater than 52 percent up to 91

Potassium chlorate

percent)

Potassium dichloro-s-triazinetrione (Potassium

Mono-(trichloro)-tetra-(monopotassium dichloro)-penta-s-

dichloroisocyanurate)

triazinetrione

Sodium bromate

Nitric Acid, fuming (more than 86 percent concentration)

Sodium chlorate

Sodium chlorite (over 40 percent by wieght)

Sodium dichloro-s-triazinetrione (sodium

dichloroisocyanurate)

Class 4

Class 4 (continued)

Ammonium perchlorate (particle size greater than 15 microns)

Guanidine nitrate

Hydrogen peroxide solutions (greater than 91 percent)

Ammonium permanganate

Tetranitromethane

Rev. 0

Page B-5

Pyrophoricity