SODIUM DINAPHTHYLMETHANE-DISULPHONATE

 

 

 

FORMULA: C21H14O6S2Na2

 

M. W.: 252

 

GRADE: dye auxiliary

 

DESCRIPTION: CREAM-BROWN POWDER, EASILY SOLUBLE IN WATER WITH ANY RIGIDITY. IT HAS GOOD DIFFUSIBILITY AND COLLOID PROTECTIVE ABILITY.

 

SPECIFICATIONS:

ELECTRICITY

negative ion

DIFFUSIVITY (COMPARE WITH STANDARD)

95%-105%

PH VALUE (1% SOLUTION)

7-9

FINENESS (RESIDUE ON 250um SIEVE)

5% MAX.

SODIUM SULPHATE

5% MAX.

WATER INSOLUBLE MATTER

0.1% MAX.

 

USES: AS DISPERSANT IN DYESTUFF INDUSTRY.

 

PACKING:   IN WOVEN BAG, 40KG NET EACH, 18MT/FCL.