cas 5042-33-1, 2-NITROANILINE-4-SULFONIC ACID SODIUM SALT | Articles data ｜lookchem

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5042-33-1

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The Preparation of Sodium 4-Amino-3-nitrobenzenesulfonate and Some Related Compounds
The sodium salt of 4-amino-3-nitrobenzenesulfonic acid (o-nitroaniline-p-sulfonic acid) has been prepared by the action of dilute sodium hydroxide solution on ethyl carbamate.Central to this synthesis is the finding that the N-ethoxycarbonyl group, when located ortho to a nitro group (but not to a bromo group), is readily removed by dilute sodium hydroxide solution.
Rosevear, Judi,Wilshire, John F. K.
p. 1727 - 1732
(2007/10/02)

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84202-56-2
4-amino-3-nitrobenzenesulfonyl chloride

Chemical Properties

Appearance/Colour :yellow brown crystals
Boiling Point: 99-100?°C11?mm Hg(lit.)
Flash Point:190?°F
Density: 0.99?g/mL?at 25?°C(lit.)
Storage Temp.:Keep in dark place,Inert atmosphere,Room temperature
PSA: 137.42000
LogP: 2.26630

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