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Sulphur Brown 31

Sulphur Brown 31 Structure
Sulphur Brown 31 structure
CAS No.
Chemical Name:
Sulphur Brown 31
Synonyms
Sulphur Brown 31;C.I.Sulphur Brown 31:C.I.53280
CBNumber:
CB59704036
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
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Sulphur Brown 31 Chemical Properties,Uses,Production

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

Sulphur Brown 31 Preparation Products And Raw materials

Raw materials

2-Naphthol

Preparation Products

(Sulphur Brown 31)Related Search:

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)

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Sulphur Brown 31 C.I.Sulphur Brown 31:C.I.53280