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T1 Inorganic Arsenic Compounds other than Arsine Health and Safety Guide - Health and Safety Guide 70
A1 United Nations Environment Programme, 
A1 World Health Organization, 
A1 International Labour Organisation, 
K1 health
K1 arsenic
K1 toxic substance
K1 health hazard
K1 chemical
SN 92 4 151070 6
YR 1992
FD 1992
LK https://wedocs.unep.org/handle/20.500.11822/29623
UL https://wedocs.unep.org/handle/20.500.11822/29623
NO Arsenic compounds are often unstable, and in many cases are not well defined materials. For example, the arsenites of the alkali metals are slowly converted in solution to arsenates, by atmospheric oxygen. Arsenic trisulfide reacts vigorously with oxidizing agents, and hydrogen sulfide is generated on contact with strong acids. Arsenic trichloride is highly reactive with water, strong oxidants, ammonia, and some alkalis; the reaction results in the generation of hydrogen chloride and chlorine gas.
DS UN Environment Document Repository
RD Sep 23, 2026