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Properties of substance:
arsenic trioxide amorphous
Synonyms:
arsenic(III) oxide amorphous
Group of substances:
inorganic
Physical appearance:
white amorphous substance
Empirical formula (Hill's system for organic substances):
As
2
O
3
Structural formula as text:
As2O3
Molar/atomic mass: 197.84
Melting point (°C):
315
Boiling point (°C):
461
Solubility (g/100 g of solvent):
carbon disulphide
: 0.001 (15°C) [
Ref.
]
diethyl ether
: 0.454 (15°C) [
Ref.
]
ethanol
: 0.446 (15°C) [
Ref.
]
water
: 3.7 (20°C) [
Ref.
]
water
: 10.1 (100°C) [
Ref.
]
Density:
3.74 (20°C, g/cm
3
)
Reactions:
Yeild 90%. [
Ref.1
]
As
2
O
3
+ 6KI + 6HCl → 2AsI
3
+ 6KCl + 3H
2
O
LD
50
(mg/kg):
10 (mice, intraperitoneal)
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 107-110
Вредные химические вещества: Неорганические соединения элементов V-VIII групп. Справочник. - Л., 1989. - pp. 88 [Russian]
Немодрук А.А. Аналитическая химия мышьяка. - М.: Наука, 1976. - pp. 13-15 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 82 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru