C.I. Sulphur Brown 42 (8CI)

CAS NO.：1326-44-9
Empirical Formula: Unspecified
Molecular Weight: 0

What is C.I. Sulphur Brown 42 (8CI)?

Preparation

2-Methyl-3,5-dinitxobenzenesulfonic acid?and Sodium polysulfide solution heating.

Properties and Applications

brown. Soluble in water. In the Sodium sulfide solution for yellow brown; In concentrated sulfuric acid for yellow brown, dilution still for yellow brown.

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

Safety information for C.I. Sulphur Brown 42 (8CI)

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