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.