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Properties of substance:

п-гидрокси-β-(карбоксиметил)коричная кислота



skc-file

Synonyms:

sphagnum acid

Group of substances:

organic

Physical appearance:

crystals

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

C11H10O5

Structural formula as text:

HOC6H4C(CH2COOH)=CHCOOH

Molar/atomic mass: 222.1941

Melting point (°C):

178-204

CAS №: 57100-28-4

Dissociation:

pKa (1) = 3.98 (25°C, water)
pKa (2) = 5.53 (25°C, water)
pKa (3) = 9.88 (25°C, water)

References:

  1. Roth L., Rupp G. Roth Collection of Natural Products Data. - VCH, 1995. - pp. 304-306

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru