Solvent Red 52 Property

Boiling point:

585.0±50.0 °C(Predicted)

Density 

1.36±0.1 g/cm3(Predicted)

vapor pressure 

0-0Pa at 25℃

solubility 

Chloroform (Slightly), Methanol (Slightly), Pyridine (Slightly)

form 

Solid

pka

0.46±0.20(Predicted)

color 

Dark Purple to Black

Water Solubility 

750-2880900ng/L at 20-30℃

LogP

4.506-4.8 at 25℃

CAS DataBase Reference

81-39-0(CAS DataBase Reference)

EPA Substance Registry System

3H-Dibenz[f,ij]isoquinoline-2,7-dione, 3-methyl-6-[(4-methylphenyl)amino]- (81-39-0)

Hazard and Precautionary Statements (GHS)

Solvent Red 52 Chemical Properties,Usage,Production

Uses

Solvent Red 52 is used in method for production of Poly(trimethylene furandicarboxylate) using Zinc catalyst.

Preparation

(a) 6-Bromo-3-methyl-3H-naphtho[1,2,3-de]quinoline-2,7-dione or 1-Bromo-4-(N-methylacetamido)anthraquinone and p-Methylaniline condensation; (b)N-(4-(p-toluidino)-9,10-dioxo-9,10-dihydroanthracen-1-yl)-N-methylacetamide closed loop into Anthrapyridone.

Properties and Applications

blue light red. Soluble in water and Pyridine . In concentrated sulfuric acid for deep red, red precipitation after dilution. Used for acetate, polyethylene, thermal plastic coloring.