Nomenclature
CAS number: 507-32-4
Ethylarsonic acid; ethylarsinic acid.
C
2H
7AsO
3; mol wt 154.00.
C 15.60%, H 4.58%, As 48.65%, O 31.17%.
C
2H
5AsO(OH)
2.
Description and references
Prepd from potassium arsenite and ethyl iodide:
Dehn, Am. Chem. J. 33, 131 (1905); from sodium arsenite and ethyl bromide: Quick, Adams, J. Am. Chem. Soc. 44, 810 (1922).
Properties
Needles from alc, mp 99.5°. 70 g dissolve in 100 g water at 27°;
112 g dissolve in 100 g water at 40°; 39.4 g dissolve in 100 g of
95% alcohol at 25°.Derivative
Disodium salt.
Nomenclature
CAS number: 5982-55-8
Mon-Arsone.
C
2H
5AsNa
2O
3; mol wt 197.96.
C 12.13%, H 2.55%, As 37.85%, Na 23.23%, O 24.25%.
Properties
Minute hygroscopic crystals, very sol in water.Therapeutic Category
Formerly as antisyphilitic.
Keywords
Antisyphilitic
Status
This monograph has been retired and is no longer subject
to revision or update.