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Properties of substance:

dimethylarsinic acid

Group of substances:

elmentoorganic

Physical appearance:

colorless crystals

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

C2H7AsO2

Structural formula as text:

(CH3)2As(O)OH

Molar/atomic mass: 137.98

Melting point (°C):

200

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol: 36 (15°C) [Ref.]
water: 83 (22°C) [Ref.]

Dissociation:

pKa (1) = 6.19 (25°C, water)

LD50 (mg/kg):

185 (mice, )

References:

  1. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 42
  2. Мельников Н.Н. Пестициды: химия, технология и применение. - М.: Химия, 1987. - pp. 493-494 [Russian]
  3. Мельников Н.Н., Новожилов К.В., Пылова Т.Н. Химические средства защиты растений (пестициды). - М.: Химия, 1980. - pp. 64-65 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 704-705 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru