cas 5329-12-4, 2,4,6-Trichlorophenylhydrazine | Articles data ｜lookchem

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5329-12-4

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Process for producing chlorophenylhydrazine compounds
A process for producing a chlorohenylhydrazine compound is disclosed, which comprises chlorinating at least one hydrogen atom on the phenyl nucleus in a beta-imidated phenylhydrazine compound and subsequently hydrolyzing the chlorinated compound. Said chlorophenylhydrazine compound is useful as starting material for the production of herbicide, insecticide and photographic coupler is produced in high yield and low cost.
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(2008/06/13)

METHOD FOR THE SYNTHESIS OF 2,4,6-TRICHLOROPHENYLHYDRAZINE
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Stepanov, P. A.,Yurchenko, G. A.
p. 2530 - 2531
(2007/10/02)

Preparation of 2,4,6-trichlorophenylhydrazine
Disclosed is a process for the preparation of 2,4,6-trichlorophenylhydrazine by chlorinating the reaction product of phenylhydrazine and a dicarboxylic anhydride to obtain an N-(2,4,6-trichloroanilino)dicarboximide which is reacted with a base capable of liberating 2,4,6-trichlorophenylhydrazine therefrom.
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(2008/06/13)

New Azoolefines and their Acidic Cleavage to Aryldiimines
3-Amino-1-aryl-3',3'-dimethyl-pyrazolin-4-spiro-2'-oxiran-5-ones (3a-c) undergo ring opening with methoxide forming methyl 3-amino-3-arylazo-propenoates (5a-c). 5a-c are cleaved under acidic conditions.The main products of the cleavage of 5c with methanolic hydrochloric acid are nitrogen, 2,4,6-trichloro-benzene (6), 2,4,6-trichloro-aniline (9) and 2,4,6-trichloro-phenylhydrazine (10).Intermediates of the cleavage of 5 are aryldiimines trapped with benzaldehyde as the corresponding benzhydrazides (12a,b).
Kirschke, Klaus,Moeller, Angela,Schmitz, Ernst
p. 893 - 898
(2007/10/02)

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Chemical Properties

Melting Point: 140-142 °C(lit.)
Boiling Point: 273.4 °C at 760 mmHg
Flash Point:119.2 °C
Density: 1.603 g/cm³
Solubility:benzene: 0.1 g/mL, clear
Storage Temp.:Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
Vapor Pressure: 0.00574mmHg at 25°C
Refractive Index: 1.6000 (estimate)
PKA: 3.80±0.33(Predicted)
BRN: 1841962
PSA: 38.05000
LogP: 3.70570

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