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Properties of substance:

4-chloro-2-methylphenoxyacetic acid

Synonyms:

MCPA

Group of substances:

organic

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

C9H9ClO3

Structural formula as text:

(CH3)ClC6H3OCH2COOH

Molar/atomic mass: 200.62

Melting point (°C):

120

Solubility (g/100 g of solvent):

diethyl ether: 77 (25°C) [Ref.]
ethanol: 153 (25°C) [Ref.]
water: 0.15 (25°C) [Ref.]

Dissociation:

pKa (1) = 3.62 (20°C, water)

LD50 (mg/kg):

540 (mice, oral)

References:

  1. Armarego W. L. F. Purification of Laboratory Chemicals. - 7ed. - 2013. - pp. 300
  2. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 559
  3. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 131-132 [Russian]
  4. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 297 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru