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WTB 2-Amino-5-chlorophenylphosphonic Acid

WTB 2-Amino-5-chlorophenylphosphonic Acid - Chemistry Forum

WTB 2-Amino-5-chlorophenylphosphonic Acid - Chemistry Forum. Discuss chemical reactions, chemistry.

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Old 12-15-2003, 12:55 PM
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Default WTB 2-Amino-5-chlorophenylphosphonic Acid

Looking for a source of 2-Amino-5-chlorophenylphosphonic Acid; 500
grams to 1 kilogram. Need fairly quickly.
One method of manufacture involves the conversion of 3-chloroaniline
to the diazonium fluoborate, reaction of this salt with phosphorous
trichloride to give 3-chlorophenylphosphonic acid. Nitration with 90%
fuming nitric acid provides 2-chloro-5-nitrophenylphosphonic acid
which is reduced to the desired compound with alkaline ferrous
sulfate. Detail available.
Please contact via email if you already have material available or are
in a position to provide it.
Reply With Quote

acid , wtb

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