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Home Product 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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