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| Place of Origin: | Hunan |
| Brand Name: | OEM |
| Certification: | SGS,ISO 9001 |
| Model Number: | sodium pyrosulfite-3 |
| Minimum Order Quantity: | 1 metric ton |
|---|---|
| Price: | usd 300 per metric ton |
| Packaging Details: | 25 kgs bag,1000 kgs big bag |
| Delivery Time: | 5-8 days |
| Payment Terms: | T/T , L/C |
| Supply Ability: | 3000 tons per month |
| Name: | Smbs Sodium Pyrosulfite Leather Chemical | Other Name: | Sodium Metabisulfite Leather Chemical |
|---|---|---|---|
| PH Value: | 4.5 | Usage: | Leather Chemical,bleaching Chemical |
| Purity: | SO2: 65% | Mocular: | Na2S2O5 |
| High Light: | sodium metabisulfite powder,sodium meta bi sulphate |
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SODIUM PYROSULFITE/SODIUM METABISULFITE
Product Description
1. Detail description of sodium metabisulfite 65%min
CAS NO.: 7681-57-4
EINECS: 231-673-0
MF: Na2S2O5
Apperance: white powder
2. Specification of sodium metabisulfite 65%min
| Index | tech grade | food grade |
| Main Content | 97%min | 97%min |
| SO2 | 65%min | 65%min |
| Iron | 0.005%max | 0.005%max |
| Water insoluble | 0.05%max | 0.05%max |
| PH Value | 4.0-4.6 | 4.0-4.6 |
| As | --- | 0.0002%max |
| Pb | --- | 0.002%max |
3. Application of sodium metabisulfite 65%min
1):Bleaching agent for textile fibres, paper pulps
2):Colors stripper and dechlorination
3):Preparation of Indigo Vat Dye
4):solubilizing and acidyfing agent for leather industries
5):wastewater treatment
Packaging & Shipping
in 25kg/50kg bags for sodium metabisulfite 65%min
Appearance: white free flowing fine crystal or powder.
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity, and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
Packing: packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
| Name: |
Sodium metabisulfit
|
| Appearance: | White Free Flowing Fine Crystal or Powder |
| Specification: |
Industrial grade 1) Purity (calculated with Na2S2O5): 96% 2) Iron (Fe): 0.005% 3) SO2: 65% 4) PH value: 4.0-4.6 5)Water insoluble matter: 0.05%
|
|
Foodstuff grade 1) Purity (calculated with Na2S2O5): 98% 2) Iron (Fe): 0.0005% 3) Arsenic (As): 0.0002% 4) pH value: 4.0-4.6 5) Water insoluble matter: 0.05% 6) Heavy metal (Cal. in Pb): 0.002%
|
|
| Package: | 25kg, 50kg pp woven bag with plastic lining, or 1000kg per package |
| Usage: |
1.Dye printing mordant. 2.Textile antichlor after being bleached.
3.Reducing agent and sulfonating agent for chemical and medical use. 4.Bamboo, wood, paper fiber bleaching agent, non-ferrous metal ore dressing agent, waste water treating , rubber freezing agent. |
Application:
1) Food Grade: bleach agent(e.g. candies, cake, bamboo shoots, etc); loose agent(e.g. bread, cracker etc); antiseptic and germicide(e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc);
2) Industry grade: mordant of printing and dyeing; dechlorinate of textile after bleaching; sulphonated agent and reducer of chemical industry and pharmacy; bleach of paper pulp, bamboo and timber bleach of stap; treatment agent of waste water; rubber solidifying agent perfume industry is served as hydro carbon perfume aldehyde.
The hide profession employ to do to molt dose and piable dose and wearproof dose; sewage treatment, and so on.
3). Pharmaceutical grade: in chemical synthesis in the production of acrylic fibre, vitamin k, vitmin A, pharmaceutical intermediates, etc.
4). Photo grade: the sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
Quality:
The details of the product as follow:
Sodium Metabisulfite
Molecular Formula: Na2S2O5
Molecule Weight: 190.12
CAS NO.:7681-57-4
EC:231-673-0
UN: 2693
HS:28321000
Storage: store the products in dry and cool place.
Product Description
We are a main supplier of 98% Sodium Metabisulfite in China. We can supply you 98% Sodium Metabisulfite with competitive price.
Contact Person: Ms.xie
Tel: +8613975090964
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