Min. Order Reference FOB Price
25 kg US$2.30-6.80 / kg
Product Description
Nigrosine black Alcohol Soluble Solvent black dye leather dye Water Soluable Nigrosine Black (Acid Black 2) C.I. No.: 50420 CAS No.: 8005-03-6 Molecular Formula: C22H14N6O9S2-3.2[NA] Molecular Weight: 616.49 Shade:Black Relative name: Acid Black No 2;Acid Black WR;Acid ...