Sulphur Brown 56
Name:C.I.Sulphur Brown 56,C.I.53722
Molecular Structure:
C.I.Sulphur Brown 56,C.I.53722,CAS 1327-87-3
CAS Registry Number:1327-87-3
Manufacturing Methods : 8-Amino-7-methylphenazin-2-ol (see C.I. Sulphur Red 6, C.I. 53720) and Sodium polysulfide in 160 ℃ calcination 48 hours.
Properties and Applications: dark red light brown.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 4 | 4 | 3-4 | 4 | 4-5 | 4-5 | 3 |
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