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Vat Black 25

Vat Black 25 / CAS : 4395-53-3

Appearance Tan powder. It is green in concentrated sulfuric acid and produces black precipitation after dilution. It is reddish brown in concentrated nitric acid. It is gray in the alkaline solution of insurance powder and dark olive in the acidic solution. UN 0.0
HS 0.0 DG Class 0.0
Synonyms Caledon Olive D; Sandothrene Olive T; Indanthren Olive T; Einecs 224-519-3-(Anthraquinon-1-Ylamino)Anthra(2,1,9-Mna)Naphth(2,3-H)Acridine-5,10,15(16H)-Trione; C.I.Vatblack25; Anthramar Olive T; Dycosthren Olive T; Intravat Olive S
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Properties

Summary

Formula
C45H22N2O6
Molecular Mass
686.66600
Exact Mass
686.14800
PSA
130.24000
Logp
8.09390

Attribute classification

Matter Classification
organic
Category
Auxiliary > Other Auxiliary Agent
Dyestuffs and Pigments > Vat Dyes

Chemical and Physical Properties

Density
1.527g/cm3
Appearance
Tan powder. It is green in concentrated sulfuric acid and produces black precipitation after dilution. It is reddish brown in concentrated nitric acid. It is gray in the alkaline solution of insurance powder and dark olive in the acidic solution.

Export information

HS Code
0.0
UN No.
0.0
DG-Class
0.0

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