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Sulphur Red 4

Name:C.I.Sulphur Red 4,C.I.53730

Molecular Structure:

C.I.Sulphur Red 4,C.I.53730,CAS 1327-91-9

C.I.Sulphur Red 4,C.I.53730,CAS 1327-91-9

CAS Registry Number:1327-91-9

Manufacturing Methods :  1,3-Dichloro-2-hydroxy-7-methyl-8-aminophenazine and sodium polysulphide aqueous solution in the presence of copper sulfate, return in 106 ℃ heating 22 hours, dilution and drum drying. This is Pyridine by4-Methylbenzene-1,3-diamine and 4-Amino-2,6-dichlorophenol Manganese dioxide oxidation with the mixture and be (BIOS 1155, – 33)

Properties and Applications: dark red

Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping
Moderate Severe
ISO 4 4 4 3 2-3

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One Response to “Sulphur Red 4”

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