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Properties of substance:

arsenic black

Group of substances:

inorganic

Physical appearance:

black amorphous substance

Empirical formula (Hill's system for organic substances):

As

Structural formula as text:

As

Molar/atomic mass: 74.92

Decomposition temperature (°C):

270

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

Density:

4.9 (20°C, g/cm3)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

4.2 (s)

References:

  1. 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