Henan Sinocean Chemical Co. Ltd.

Sulfur Black

• Category :

  Inorganic chemicals

• Synonyms :

  C.I. Sulphur Black 1;C.I. Sulfur Black 1;2,4-Dinitro-phenol sulfurised;Sulphur Black B/BR;Sulphur Black BR;Sulfur Black;Sulphur Black;

• CAS NO :

  1326-82-5

• EC NO :

  215-444-2

• Molecular Formula :

  C₆H₄N₂O₅

• Molecular Weight :

  184.10636

• Main Specifications :

• Product description :

  Colour Index:C.1.Sulfur Black 1(53185)
  Standard:GB:2374-80
  Original Name: Sulfur Black
  Properties: Bright black flake-granulars.It is slightly insoluble in water. It is soluble in sodium sulfide with a green-black colour.
  Composion:Dinitrochlorbenzne by hydrolysis then sulfurates with sodium polysulfide,and then oxidized.
  Main characteristics:

  Appearance:	Black flake-granulars
  Strength:	200±3 of the standard
  Shade:	Near to the standard
  Alkali insolubles:	≤0.7%
  Water content:	≤6%
  Content of alkali insolubles:	≤0.5%

  Main colouring force: Dye strength:6%

  sun shine	wash-fastness		sweat		rub		iron
  	colour change	stained colour	colour change	stained change	dry	wet
  6	3-4	4	4	4-5	2-3	1-2	4

  Main use: For dyeing on cotton fabrics, fibre fabrics and blended fabrics of cotton and fibre.
  Check method: Check the dyeing strength and shade.
      (1) Based on GB2374-80 are the specification and density of the chemicals, the compounding of the dyestuff, the specification of the fibres and the general conditions of dyeing.
      (2)The dye strength is 1.5%. Dyeing with 42s double heads of fine-blenching cotton yarn.
  Package: In the sealed plastics-lined iron drums of 50kg net each or plastic woven bag.
  Storage and transportation: Keep at a dry place with dampproof.
   

  

• Molecular Structure :