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Properties of substance:

1,2-ethanediamine

Synonyms:

1,2-diaminoethane

Group of substances:

organic

Physical appearance:

colorless liquid

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

C2H8N2

Structural formula as text:

H2NCH2CH2NH2

Molar/atomic mass: 60.098

Melting point (°C):

8.5

Boiling point (°C):

117

CAS №: 107-15-3

Solubility (g/100 g of solvent):

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

Density:

0.8977 (20°C, g/cm3)

Refractive index (nD):

1.45677 (20°C)

Dissociation:

pKBH+ (1) = 7 (20°C, water)
pKBH+ (2) = 10.08 (20°C, water)

Permittivity (dielectric constant):

12.9 (25°C)

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

-63 (l)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

172.6 (l)

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

-18 (g)

LD50 (mg/kg):

448 (white mice, )
1160 (rats, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-23
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 163
  3. Stahl P.H., Wermuth C.G. Handbook of Pharmaceutical Salts: Properties, Selection, and Use. - Wiley-VCH, 2002. - pp. 316-317
  4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 556 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 198 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1264-1268 [Russian]
  7. Токсикологический вестник. - 2008. - №2. - pp. 41 [Russian]
  8. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 497-498 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru