6-NITRO-1-DIAZO-2 NAPHTHOL-4-SULFONIC ACID

APPEARANCE:YELLOW BROWN CRYSTAL

CONTENT:75%MIN

PHLC CONTENT:90% MIN

INSOLUBILITY:0.15% MAX

FEED ACID:3.5% MAX

8-NITRO(HPLC): 4% MAX.

CONTENT:80%MIN

PHLC CONTENT:95% MIN

INSOLUBILITY:0.1% MAX

FEED ACID:3% MAX

8-NITRO(HPLC): 2% MAX.

Use:  manufacturing acid mordant dyestuff, such as C.I.Acid black 34,52,82,107,124,170,172,194 etc.

6-NITRO-1-DIAZO-2 NAPHTHOL-4-SULFONIC ACID