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Properties of substance:
bismuth sulfide
Group of substances:
inorganic
Physical appearance:
black rhombic crystals
Empirical formula (Hill's system for organic substances):
Bi
2
S
3
Structural formula as text:
Bi2S3
Molar/atomic mass: 514.14
Melting point (°C):
685
Solubility (g/100 g of solvent):
methylamine
: sparingly soluble [
Ref.
]
water
: 0.000018 (18°C) [
Ref.
]
Density:
7.6 (20°C, g/cm
3
)
Dissociation:
pK
sp
(0) = 72 (20°C, water)
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-155.6 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-152.9 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
200.4 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
122 (s)
LD
50
(mg/kg):
5000 (rats, oral)
References:
CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-52
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 205
Вредные химические вещества: Неорганические соединения элементов V-VIII групп. Справочник. - Л., 1989. - pp. 113 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 58 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru