Leuco Sulphur Brown 52

CAS No.
Chemical Name:
Leuco Sulphur Brown 52
Synonyms
Leuco Sulphur Brown 52;C.I.Leuco Sulphur Brown 52:C.I.53320
CBNumber:
CB39703424
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file

Leuco Sulphur Brown 52 Chemical Properties,Uses,Production

Preparation

Diacenaphtho[1,2-j:1′,2′-1]fluoranthene? and sulfur mixture for roasting (in 20 hours of roasting temperature up to 350 ℃, and keep the temperature for more than 8 hour), the product with Sodium hydroxide in 100 ~ 110 ℃ processing, then filtering, and taking sulfuric acid precipitation. Note: the Diacenaphtho[1,2-j:1′,2′-1]fluoranthene?and nitrocellulose derivatives (namely C.I. Sulphur Brown 60, C.I. 53325 and?C.I. Sulphur Brown 51, C.I. 53327) the dye it has excellent resistance to sun fastness.

Properties and Applications

brown. Brown powder. Soluble in Sodium sulfide solution. In the basic insurance powder solution for red brown; In Sodium hypochlorite solution is partly by the bleaching. Used for cotton, hemp, viscose fabric dyeing.

Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping
Moderate Severe
ISO 4-5 4-5 5-6 4 4-5 4 3

Leuco Sulphur Brown 52 C.I.Leuco Sulphur Brown 52:C.I.53320