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Vat Yellow 4

Basic information Safety Supplier Related

Vat Yellow 4 Basic information

Product Name:
Vat Yellow 4
Synonyms:
  • Vat yellow 4 (C.I. 59100)
  • C.I.59100
  • Indanthren Printing Yellow GOK
  • Nihonthrene Golden Yellow GK
  • Tinon Golden Yellow GK
  • 2,3,7,8-Dibenzopyrene-1,6-quinone
  • Ahcovat printing golden yellow
  • Ahcovat printing golden yellow gk
CAS:
128-66-5
MF:
C24H12O2
MW:
332.35088
EINECS:
204-903-2
Mol File:
128-66-5.mol
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Vat Yellow 4 Chemical Properties

Boiling point:
429.48°C (rough estimate)
Density 
1.1459 (rough estimate)
refractive index 
1.4891 (estimate)
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference
128-66-5
IARC
3 (Vol. 48) 1990
EPA Substance Registry System
C.I. Vat Yellow 4 (128-66-5)
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Vat Yellow 4 Usage And Synthesis

Chemical Properties

viscous orange liquid

General Description

Viscous orange liquid. Used for coloring of cotton, wool and cellulose acetate.

Air & Water Reactions

Water soluble.

Reactivity Profile

Vat Yellow 4 reacts very readily with reducing agents to give a colorless or nearly colorless product. Subsequent oxidation then restores the color.

Health Hazard

ACUTE/CHRONIC HAZARDS: When heated to decomposition Vat Yellow 4 emits acrid smoke and irritating fumes.

Fire Hazard

Vat Yellow 4 is probably combustible.

Vat Yellow 4Supplier

Wuhan Biocar Bio-Pharm Co., Ltd.
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Alfa Chemistry
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Guangdong Wengjiang Chemical Reagent Co., Ltd.
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Hubei xin bonus chemical co. LTD
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