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Sulphur Black 1 Dyestuff

Sulphur black is the most consumed sulphur dyes.Black powder or fine grain.Slightly soluble in water.Dissolved in sodium sulfide solution into black green leucorrhoea.Dissolve in hot concentrated sulfuric acid in green and blue, dilute and form black precipitation.Mainly used for dyeing cotton and hemp fibers.
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Product Introduction

Sulphur Black 1 Dyestuff Product info

TypeSulphur Dyes, Sulphur Black Dyes
Product NameSulphur Black 1
Color Index1
CAS No.1326-82-5
EINECS215-444-2
Molecular FormulaC6H4N2O5
Appearanceblack phosphor flake solid color (as standard): approximate to micro
Moisture6.0% or less
Free sulfur content≤0.5%
ApplicationMainly used for dyeing cotton textiles.


Chemical Properties

Sulfur black is a black phosphorous flake solid, mainly used for dyeing cotton textiles. From 2,4 dinitrochlorobenzene hydrolyzed to 2,4- dinitrophenol sodium salt, vulcanized with sodium polysulfide and then oxidized by air.Because of the different production process conditions and customer requirements, a lot of color can be produced vulcanized black.


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FAQ

1.What is the business scope of the company?

   We mainly deals in dyes, such as disperse dyes, reactive dyes, acid dyes, etc.

2.Do you have certificates? And what certificates are there?

   Yes, We have OEKO-TEX, BLUESIGN certificates.

3.What payment options are available?

   We have payment methods of L/C, Western Union, D/P, D/A, T/T, MoneyGram, you can choose any one.


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