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Vat Yellow 4

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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:
2049032
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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Safety Information

Hazardous Substances Data
128-66-5(Hazardous Substances Data)
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Vat Yellow 4 Usage And Synthesis

Chemical Properties

viscous orange liquid

Uses

Vat Yellow 4 is a commercial dye used in textiles. Polyaromatic hydrocarbon with potential carcinogenic activity.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.

Preparation

(a) 3-Benzoylbenzanthrone?and Aluminium chloride and antioxidant for the closed-loop response; (b) 1,5-Dibenzoyl-2-naphthaene?in Aluminium chloride and sodium chloride were under existing closed-loop response.

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.

Properties and Applications

red light yellow. Yellow brown powder. Soluble in nitrobenzene, four hydrogenated naphthalene and dimethyl benzene, slightly soluble in acetone, ethanol, benzene, chloroform, o-chlorophenol, Pyridine and toluene. The strong sulfuric acid to red light purple, orange after diluted precipitation, in alkaline insurance powder is in stock for purplish red color; In the acidic insurance powder also in stock for golden brown. Can be used for the discharge printing of cotton, mainly used in the winter sun often dark cotton print, also suitable for silk and polyamide fiber dyeing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4-5 4-5 5-6 5 4-5 3-4 4
AATCC 5 5 4-5 5 4

Vat Yellow 4Supplier

Hefei TNJ Chemical Industry Co.,Ltd.
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0551-65418671
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sales@tnjchem.com
Dideu Industries Group Limited
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029-88380327 +8617691182729
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Service@dideu.com
Hubei Jusheng Technology Co.,Ltd.
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86-18871470254
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linda@hubeijusheng.com
Guangdong Wengjiang Chemical Reagent Co., Ltd.
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0751-2886766 13927870850
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3001267247@qq.com
Hubei xin bonus chemical co. LTD
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86-13657291602
Email
linda@hubeijusheng.com