- Overview
- Product Description
- Product Parameters
- Packaging & Shipping
Basic Info.
Model NO.
97%
Appearance
Powder
Grade Standard
Industrial Grade
Name
Sodium Metabisulfite
Synonym
Sodium Pyrosulfite
Application
Leather Treatment
25kg Bags
Following Custome′s Requirement
Model No
96.5%-97%
Transport Package
25kgs Bag
Specification
97%
Trademark
premtec
Origin
China
HS Code
28321000
Production Capacity
3000 Tons Per Month
Product Description
Price sodium metabisulfite 7681-57-4 sodium pyrosulfite
Sodium metabisulfite appears as a white crystalline or powder solid with a slight sulfur odor. Toxic by inhalation. Strongly irritates skin and tissue. Noncombustible, but may decompose to emit toxic oxide fumes of sulfur and sodium when heated to high temperature. A corrosive acid when mixed with water. Used as a food preservative and as a laboratory reagent.
| Test Iterms | Specification | Test Result |
| Purity(As Na2S2O5) ; %≥ | 97% | 97.3 |
| Iron(As Fe); % ≤ | 0.003 | 0.002 |
| Arseni c; mg/kg ≤ | 5.0 | <5.0 |
| Heavy Metal(As Pb); mg/kg ≤ | 1.0 | <1.0 |
| Water insoluble matter | 0.05 | 0.02 |
Use:
Preservative, bleaching agent and antioxidant in food industry.
Water treatment as reductant.
Bleaching agent for textile fibers, paper pulps.
Printing and dyeing industry as a dechlorinating agent and cotton scouring agent.
Ore dressing agent in mining industry.
Fixative ingredients in photographic industry.
Production of oral, topical and parenteral pharmaceutical products
Solubilizing and acidifying agent for leather industry.
Rubber industry as coagulator.
Anticorrosion and bleaching treatment in wooden products.
Producing concrete water reducing agents in construction industry.
Packaging:
25 Kg plastic woven bag with PE inner/jumbo bag.
Customerized packaging & label is accepted.
Shipping: by sea or railway upon available.
Lead time: within 7 to 10 days after order confirmation
