Sodium Metabisulfite By Wuhan Jindi Shengyuan Chemicals Co., Ltd.

We are offering our customers a wide range of Sodium Metabisulfite, which are available following Specifications :-
Chemical formula: (NaPO3)6
CAS No.: 10124-56-8
Properties:
1. Appearance: White powder;
2. Relative density: 2.484 (20 degree centigrade);
3. Solubility: Easily soluble in water, but not in organic solution;
4. Absorbent to dampness, and turn sticky when absorbed dampness in air
5. Can form soluble chelate with metallic ions such as Ca, Ba, Mg, Cu and Fe
Application:
1. Technical grade: Used in such industries as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water softening agent in solution for printing, dyeing, and boiler, as diffusant in papermaking; Retarding agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemical reagent;
2. Food grade: Mainly used as additive agent, pH adjusting agent, fermenting agent, and nourishment, etc.
Packing: 25kg or 50Kg/woven bag lined with PE liner, or 1000 Kg/Container bag; 20-25mt/20 feet container
No. Specifications Industrial Grade Food Grade
1 Total phosphate, as P2O5%a Y 68.0 68.0
2 Inactive phosphate, as P2O5%a 7.5 7.5
3 Iron, as Fe %a 0.05 0.05
4 Ph value (1% solution) %a 5.8-7.3 5.8-6.5
5 Solubility Qualified Qualified
6 Heavy metals, as Pb %a 0.001
7 Arsenic, as As%a 0.0003
8 Fluoride as F%a 0.003