Chromate(1-), bis[4-[2-[3-chloro-2-(hydroxy-κO)-5-nitrophenyl]diazenyl-κN1]-2,4-dihydro-5-methyl-3H-pyrazol-3-onato(2-)-κO3]-, hydrogen (1:1)

CAS No.
6421-68-7
Chemical Name:
Chromate(1-), bis[4-[2-[3-chloro-2-(hydroxy-κO)-5-nitrophenyl]diazenyl-κN1]-2,4-dihydro-5-methyl-3H-pyrazol-3-onato(2-)-κO3]-, hydrogen (1:1)
Synonyms
Acid Orange 98;C.I.Acid Orange 98:C.I.12695;Chromate(1-), bis[4-[2-[3-chloro-2-(hydroxy-κO)-5-nitrophenyl]diazenyl-κN1]-2,4-dihydro-5-methyl-3H-pyrazol-3-onato(2-)-κO3]-, hydrogen (1:1)
CBNumber:
CB94786880
Molecular Formula:
C20H13Cl2CrN10O8
Molecular Weight:
644.28
MDL Number:
MOL File:
6421-68-7.mol

Chromate(1-), bis[4-[2-[3-chloro-2-(hydroxy-κO)-5-nitrophenyl]diazenyl-κN1]-2,4-dihydro-5-methyl-3H-pyrazol-3-onato(2-)-κO3]-, hydrogen (1:1) Chemical Properties,Uses,Production

Preparation

2-Amino-6-chloro-4-nitrophenol?diazo, and 5-Methyl-3H-pyrazol-3-one coupling, and then turn it into 1:2 chromium complex.

Properties and Applications

dark orange. Soluble in water, slightly soluble in ethanol for red orange. The strong sulfuric acid to dark yellow, to orange diluted. In aqueous solution to join hydrochloric acid appears orange precipitation; Add sodium hydroxide into red.

Chromate(1-), bis[4-[2-[3-chloro-2-(hydroxy-κO)-5-nitrophenyl]diazenyl-κN1]-2,4-dihydro-5-methyl-3H-pyrazol-3-onato(2-)-κO3]-, hydrogen (1:1) Preparation Products And Raw materials

Raw materials

Preparation Products

Chromate(1-), bis[4-[2-[3-chloro-2-(hydroxy-κO)-5-nitrophenyl]diazenyl-κN1]-2,4-dihydro-5-methyl-3H-pyrazol-3-onato(2-)-κO3]-, hydrogen (1:1) Acid Orange 98 C.I.Acid Orange 98:C.I.12695 6421-68-7