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Sulphur Brown 4

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

Molecular Structure:

C.I.Sulphur Brown 4,C.I.53210,CAS 1326-90-5,Sulphur Brown GD,Sulphur Brown  GNL,Sulphur Dark Brown GD,Sulphur Dark Brown GR

C.I.Sulphur Brown 4,C.I.53210,CAS 1326-90-5,Sulphur Brown GD,Sulphur Brown GNL,Sulphur Dark Brown GD,Sulphur Dark Brown GR

CAS Registry Number:1326-90-5

Manufacturing Methods :  coarse Cresol 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. There are dark brown in hydrochloric acid precipitation; In concentrated Sodium hydroxide solution for blue light green. Used for cotton, hemp, viscose and vinylon/cotton blended fabric dyeing, and sometimes also used in leather dyeing.

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

List of Suppliers:

Sulphur Brown GD,Sulphur Brown GNL,Sulphur Dark Brown GD,Sulphur Dark Brown GR

Bengbu Yongyan Dyes & Chemicals Co. Ltd

Sulphur Brown 4 150% (Hangzhou Dikai Chemical Co Ltd)

Sulphur Dark Brown GD(Nanjing Chemicals Import and Export Corp)

Sulphur Dark Brown GD (Sinochem Jiangsu I/E Corp.)

Sulphur Dark Brown GD(Sinochem Liaoning Import & Export Corporation)


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