WE, SAUJANYA DYE CHEM ARE MANUFACTURER AND EXPORTER OF NIGROSINE (ACID BLACK 2 - CRYSTAL).

OUR SPECIFICATION OF ACID BLACK 2 - CRYSTAL ARE AS UNDER:

PRODUCT NAME : NIGROSINE (WATER SOLUBLE)

COLOUR INDEX : ACID BLACK 2

C.I. NO. : 50420

CAS NO. : 8005-03-6

PHYSICAL APPREARANCE : CRYSTALS

PH : 9.4

WATER SOLUBILITY : EXCELLENT

ANILINE CONTENT : 0.55%

NITROBENZENE CONTENT : 0.22%

COLOUR VALUE : +2.2% FROM STANDARD

STRENGTH : 100%

IF YOU HAVE REQUIREMENT THEN PLEASE CONTACT WITH US.