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Properties of substance:

3-chloroperoxybenzoic acid

Synonyms:

3-chlorobenzenecarboperoxoic acid
MCPBA
m-chloroperbenzoic acid

Group of substances:

organic

Physical appearance:

white powder

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

C7H5ClO3

Structural formula as text:

ClC6H4C(O)OOH

Molar/atomic mass: 172.5658

Melting point (°C):

92

Decomposition temperature (°C):

92

CAS №: 937-14-4

Solubility (g/100 g of solvent):

benzene: 8 (25°C) [Ref.]
carbon tetrachloride: 2.1 (25°C) [Ref.]
chloroform: 9.8 (25°C) [Ref.]
diethyl ether: 89.4 (25°C) [Ref.]
ethanol: 113 (25°C) [Ref.]
ethyl acetate: 51 (25°C) [Ref.]
hexane: 1.4 (25°C) [Ref.]
methylene chloride: 11.2 (25°C) [Ref.]
tert-butanol: 69 (25°C) [Ref.]
water: 0.154 (25°C) [Ref.]

Dissociation:

pKa (1) = 7.53 (°C, water)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-98
  2. The Merck Index. - 15th ed. - Royal Society of Chemistry, 2013. - pp. 381-382
  3. Физер Л., Физер М. Реагенты для органического синтеза. - Т. 4 (У-Я). - М., 1968. - pp. 138-143 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru