Vat Orange 7 Chemical Properties

Boiling point:

531.86°C (rough estimate)

Density 

1.66

refractive index 

1.6000 (estimate)

pka

1.34±0.20(Predicted)

form 

Solid:nanomaterial

color 

Orange to Brown

λmax

480nm(DMSO)(lit.)

LogP

0.26 at 24℃ and pH7

EPA Substance Registry System

C.I. Pigment Orange 43 (4424-06-0)

Safety Information

RIDADR 

UN2811

RTECS 

DX1000000

HS Code 

2933.79.1500

HazardClass 

6.1

Toxicity

LD50 intraperitoneal in rat: 520mg/kg

MSDS

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Vat Orange 7 Usage And Synthesis

Chemical Properties

Orange-red powder. Insoluble in acetone, ethanol, chloroform, toluene, slightly soluble in pyridine, o-chlorophenol. Dark reddish yellow in concentrated sulfuric acid, olive color (with red fluorescence) in alkaline insurance powder reducing solution, reddish brown in acidic solution.

Uses

Pigment Orange 43 is colorant; used in preparation of anti-UV polyethylene masterbatc.

General Description

Fine orange powder.

Air & Water Reactions

Insoluble in water.

Fire Hazard

Flash point data for Vat Orange 7 are not available. Vat Orange 7 is probably combustible.

Properties and Applications

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