Product name: Nigrosine Water Soluble

Synonym: Acid Black 2; C.I. 50420; C.I. Acid Black 2; Nigrosine

Colour index: 50420

CAS No.: 8005-03-6

Characteristics: Black powder or granular

Specifications:

Strength: 95-105%

Moisture: 6.0%max

Ash: 17.0%max

Usage: Leather, paper, silk, ink, etc.