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Sulphur Brown 31
Product Name
Sulphur Brown 31
CAS
MF
MW
0
EINECS
MOL File
Mol File
Usage And Synthesis
Preparation
Naphthalen-2-ol sodium salt and sodium polysulfide in 270 ~ 280 ℃ calcination, product used for synthesis of soluble dyes (BIOS 1155, 13).
Properties and Applications
brown to dark brown.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Fulling
Persperation Fastness
Soaping
Moderate
Severe
ISO
4-5
4
6
4
Preparation Products And Raw materials
Raw materials
2-Naphthol
Related Product Information
C.I. Sulphur Brown 19 (8CI,9CI)
1-Naphthalenol, 5-amino-, sulfurized
3,6-Acridinediamine, 9,10-dihydro-2,7-dimethyl-, reaction products with sodium sulfide (Na2(Sx))
1,3-Benzenediamine, 4-methyl-, reaction products with 4-nitrobenzenamine and sulfur
1,3-Benzenediamine, 4-methyl-, reaction products with 4-nitrobenzenamine, p-phenylenediamine and sulfur
C.I. Sulphur Brown 22 (8CI)
[1,1'-Biphenyl]-4,4'-diamine, reaction products with 1-methyl-2,4-dinitrobenzene and sodium sulfide (Na2(Sx))
Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur
C.I. Sulphur Brown 2 (8CI)
1
of
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