7681-57-4
- Product Name：Sodium metabisulfite
- Molecular Formula：Na2O5S2
- Purity：98
- Molecular Weight：
Product Details;
CasNo： 7681-57-4
Molecular Formula： Na2O5S2
Appearance： white powder
Delivery Time： prompt
Throughput： 500000|Metric Ton|Year
Purity： 98
| Classification: | Sulphate | Type: | Sodium Metabisulfite | CAS No.: | 7681-57-4 |
| Other Names: | disodium salt | MF: | Na2S2O5 | EINECS No.: | 231-673-0 |
| Place of Origin: | China (Mainland) | Grade Standard: | Food Grade,Industrial Grade | Purity: | 98% |
| Appearance: |
whige or light yellow crystalline powder
|
Application: | food ,wastewater treatment | Brand Name: | THLD |
| Color: | whige or light yellow crystalline powder | Molecular Weight: | 190.10 | Melting Point: | >170 °C (begins at 150 °C) |
| Solubility: | water: 54 g/100 ml | Risk Codes: | 22-31-41-36/37/38 | Safety: | 26-39-46-36 |
| Transport Information: | UN 2693 |
Packaging & Delivery
| Packaging Detail: | 25kg / 500kg / 1000kg In polythene plastic bag with a polypropylene overbag |
| Delivery Detail: | 7-10days after receive L/C |
Specifications
Sodium Metabisulfite
1. High Quality Ingredient
2. Strict QC
3. Competitive Price
4. Excellent After-service
Chemical name: Sodium metabisulfite
CAS NO: 7681-57-4
Melting point:150°C
Molecular formula:Na2O5S2
Stability:stable incompatible with strong oxidizing agents,strong acids.contact with strong acids releases a poisonus gas.may be moisture and air sensitive.
Water solubility:540g/l(20°C)
Purity:97%
Main applications:
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 etc);
Inhibitor and freshen agent(e.g.day lily,seafood,fruit and vegetable etc);
Packing: 25kg / 500kg / 1000kg In polythene plastic bag with a polypropylene overbag depend upon customer requests.
Certificate of Analysis:
|
Test item |
Standar request |
Results of test |
|
Appearance |
whige or light yellow crystalline powder |
meet the demand |
|
Content(Na2 S2O5%) |
≥95% |
97.26% |
|
SO2% |
≤65% |
65.55% |
|
Fe% |
≤0.005% |
0.003% |
|
Insoluble substance in water% |
≤0.05% |
0.01% |
|
Heave metal(Pb)% |
≤0.002% |
0.001% |
|
AS% |
≤0.0002% |
0.0001% |
|
PH |
4.0-4.6 |
4.3 |
COMMODITY PICTURES:
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