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Leuco Sulphur Brown 4

Name:C.I.Leuco Sulphur Brown 4,C.I.53210

Molecular Structure:

C.I.Leuco Sulphur Brown 4,C.I.53210

C.I.Leuco Sulphur Brown 4,C.I.53210

CAS Registry Number:

Manufacturing Methods : coarse formic acid or m-Cresol and Sodium polysulfide in 270 ~ 275 ℃ calcination, add or do not add Copper sulfate monohydrate all can.

Properties and Applications:  brown light olive to yellow brown. Brown hydroscopicity powder. In hydrochloric acid in brown precipitation; In the Sodium hydroxide solution for blue light green.

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

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