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Vat Yellow G

Vat Yellow G / CAS : 475-71-8

Appearance Orange (or golden) powder. Soluble in hot nitrobenzene, slightly soluble in o-chlorophenol and pyridine, insoluble in water, acetone, ethanol, toluene or chloroform. It is dark orange in concentrated sulfuric acid and produces yellow precipitation after dilution. Blue in alkaline sodium bicarbonate solution; Green in acid reducing solution. The dye is easy to be reduced to leuco and is not easy to be oxidized. UN 0.0
HS 32041590 DG Class 0.0
Synonyms Benzo[H]Benzo[5,6]Acridino[2,1,9,8-Klmna]Acridine-8,16-Dione; Flavanthrone; Benzo[H]Benz[5,6]Acridino[2,1,9,8-Klmna]Acridine-8,16-Dione; Benzo(H)Benzo(5,6)Acridino(2,1,9,8-Klmna)Acridine-8,16-Dione(C.I. 70600); Indanthrene Yellow G (C.I. 70600); Pigment Yellow 24; C.I.Vatyellow1; Vatyellowg; Vat Yellow 1; Vat Yellow G(Super Fine Powder); Flavantfrone Y-G (Pigment Yellow 24)
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Properties

Summary

Formula
C28H12N2O2
Molecular Mass
408.40700
Exact Mass
408.09000
PSA
59.92000
Logp
5.79680
IUPAC
16,30-diazaoctacyclo[15.11.1.14,28.02,15.03,12.05,10.018,23.025,29]triaconta-1(28),2(15),3(12),4(30),5,7,9,13,16,18,20,22,25(29),26-tetradecaene-11,24-dione
SMILES
C1=CC=C2C(=C1)C3=NC4=C5C6=C(C=C4)C(=O)C7=CC=CC=C7C6=NC8=C5C3=C(C2=O)C=C8

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Vat Dyes

Chemical and Physical Properties

Density
1.575±0.06 g/cm3(Predicted)
Boiling Point
730.1±55.0 °C(Predicted)
Flash Point
365.3ºC
Appearance
Orange (or golden) powder. Soluble in hot nitrobenzene, slightly soluble in o-chlorophenol and pyridine, insoluble in water, acetone, ethanol, toluene or chloroform. It is dark orange in concentrated sulfuric acid and produces yellow precipitation after dilution. Blue in alkaline sodium bicarbonate solution; Green in acid reducing solution. The dye is easy to be reduced to leuco and is not easy to be oxidized.

Export information

HS Code
32041590
Export Rebate
13%
UN No.
0.0
DG-Class
0.0

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