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Properties of substance:

semicarbazide

Synonyms:

hydrazinecarboxamide

Group of substances:

organic

Physical appearance:

colorless prismatic crystals

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

CH5N3O

Structural formula as text:

NH2NHCONH2

Molar/atomic mass: 75.07

Melting point (°C):

96

Solubility (g/100 g of solvent):

benzene: insoluble [Ref.]
chloroform: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: soluble [Ref.]
water: very soluble [Ref.]

    Dissociation:

    pKBH+ (1) = 3.53 (25°C, water)

    Dipole moment (D):

    3.77 (20°C)

    References:

    1. Encyclopedia of explosives and related items. - Vol. 9. - New Jersey, 1980. - pp. S48
    2. Краткая химическая энциклопедия. - Т. 4: Пирометаллургия-С. - М.: Советская энциклопедия, 1965. - pp. 788-789 [Russian]
    3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 178 [Russian]
    4. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 315 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru