Wenzhou Color Bloom New materials Co., Ltd

Acid Black 2

• Category :

  Dyestuffs and Pigments/Acid Dyes

• Synonyms :

  C.I. Acid Black 2;Nigrosine;C.I. 50420;Nigrosin water soluble;nigrosin cell culture tested;Nigrosin Acid black;Acid Black 5 (50420);Nigrosin;Nigrosine Water Soluble;

• CAS NO :

  8005-03-6

• EC NO :

• Molecular Formula :

• Molecular Weight :

• Main Specifications :

• Product description :

  　　Product name: Acid black 2 powder and Acid black 2 crystal

  　　CAS Registry Number: 8005-03-6

  　　Manufacturing Methods: will all grades of alcohol solution aniline Black (C.I.Solvent Black 5, C.I. 50415) stlfonation, again into their products for all kinds of sodium salt.

  　　Properties and Applications: Black. Black with flash in the granular, a violet is soluble in water, soluble in ethanol is blue. The strong sulfuric acid dyes is blue, it will be diluted and the generated purple precipitation. Blue light purple in aqueous solution, and sodium hydroxide show dark purple precipitation. Mainly used for leather dyeing. Also applies to paper, wood, soap, electrical-controlled aluminum, wool and silk dyeing of content, but also can be used in the manufacture of ink.

  　　Standard

  　　Light Fastness

  　　Soaping

  　　Persperation Fastness

  　　Oxygen bleaching

  　　Fastness to seawater

  　　Fading

  　　Stain

  　　Fading

  　　Stain

  　　Fading

  　　Stain

  　　ISO

  　　5

  　　4

  　　4

  　　Proudct analysis:

  　　PRODUCT NAME

  　　QUANTITY

  　　STRENGTH≥98.0%

  　　MOISTURE≤6.00%

  　　ASH CONTENT≤17.00%

  　　ACID BLACK 2 CRYSTALS

  　　4500KG

  　　122%

  　　1.65%

  　　12.48%

  　　4500KG

  　　122%

  　　2.01%

  　　11.78%

  　　This is to certify that we, the undersigned, have inspected/tested the quality of the mentioned

  　　Variety & application of Nigrosine

  　　Black powder

  　　OBN-BEEX

  　　Nigrosine MS Conc (C.I.) ACID BLACK2 50420

  　　Black crystal

  　　Coat & coloring of leather, cotton, Flax Metal dying;

  　　Water-soluble printin ink & stationery dying.

  　　ANC-RGC

  　　General application

  　　ANC-BGC

  　　Black powder

  　　ANC-RGP

  　　General application

  　　3. Package

  　　Soft package: Store in damp-proof nylon bag covered with plastic knitted bag and complex bag outside.

  　　Net Weight: 25kgs / Size: 0.075CBM

• Molecular Structure :