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Properties of substance:
dl-tartatic acid
Group of substances:
organic
Physical appearance:
colorless crystals
Empirical formula (Hill's system for organic substances):
C
4
H
6
O
6
Structural formula as text:
HOOCCH(OH)CH(OH)COOH
Molar/atomic mass: 150.09
Melting point (°C):
205
Solubility (g/100 g of solvent):
water
: 17.08 (20°C) [
Ref.
]
water
: 40.33 (60°C) [
Ref.
]
water
: 65 (100°C) [
Ref.
]
Reactions:
Yeild 50-55%. [
Ref.1
,
Ref.2
]
HOOCCH(OH)CH(OH)COOH → CH
3
COCOOH + CO
2
+ H
2
O
Dissociation:
pK
a
(1) = 3.03 (25°C, water)
pK
a
(2) = 4.37 (25°C, water)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 8-116
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 233-237
Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 102
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 138 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 395 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru