Acid Dyestuff


Acid Black 2
Colorants for Wood, Graphite Depressant, Ink, Shoe Polish, Leather, Hot Stamping Foil, Wool, Silk, Cotton, Paper, Soap, Stationery, Marker Ink, etc.

technical support

Product Name: ACID BLACK 2 (Black B; Black WS; Black R500; Black R510; Nigrosine MS; Steel Gray; Nigrosine B; Nigrosine NBL)
Code: 108002DA
Color index: 50420
CAS No.: 8005-03-6
EINECS: 235-786-6
Molecular Formula: C22H14N6Na2O9S2
Molecular Weight: 616.49
Molecular structure: Aniline derivatives

technical support


Physical and Chemical properties:

TEST ITEMS SPECIFICATION
APPEARANCE BLACK POWDER
SHADE BLACK
IONICITY ANIONIC
DENSITY 1.05-1.2 g/cm3
LIGHT FASTNESS 6
SOAPING (FADING) 4
PERSPERATION FASTNESS 2-3
OXYGEN BLEACHING (FADING) 5
OXYGEN BLEACHING (STAIN) 4-5
FASTNESS TO SEAWATER (FADING) 4

Packing: 25kg bags with pallets/25kg drums/boxes.