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HomeProduct name listVat Orange 3

Vat Orange 3

  • CAS NO.：4378-61-4
  • Empirical Formula: C22H8Br2O2
  • Molecular Weight: 464.11
  • MDL number: MFCD00059495
  • EINECS: 224-481-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2026-08-28 09:47:34
Vat Orange 3 Structural

What is Vat Orange 3?

Synthesis

4,10-Dibromoanthanthrone, Indanthren Brilliant Orange RK, is prepared from 1,1'-binaphthyl-8,8'- dicarboxylic acid in sulfuric acid monohydrate at 35 ?C, followed by bromination in the presence of iodine . It is also used as a pigment.

Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

RED TO ORANGE POWDER

SHADE

YELLOISH

HEAT RESISTANCE

300°C min

LIGHT FASTNESS

7-8

ACID RESISTANCE

5

ALKALI RESISTANCE

5

FASTNESS TO BLEEDING

5

OIL ABSORPTION

40-45%

SPECIFIC SURFACE

30 m 2 /g

DENSITY

1.97 g/cm 3

RESIDUE ON 80 MESH

5.0% max

WATER SOLUBLE

1.0% max

VOLATITE 105 °C

1.0% max

TINTING STRENGTH

100-105 %

Properties of Vat Orange 3

Boiling point: 689.9±55.0 °C(Predicted)
Density  1.970
storage temp.  Sealed in dry,Room Temperature
form  Solid
color  Red to Very Dark Red
EPA Substance Registry System Dibenzo[def,mno]chrysene-6,12-dione, 4,10-dibromo- (4378-61-4)

Safety information for Vat Orange 3

Computed Descriptors for Vat Orange 3

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