| Customization: | Available |
|---|---|
| CAS No.: | 7681-57-4 |
| Formula: | Na2s2o5 |
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White or yellow crystalline powder or small crystals.food grade 97% sodium metabisulfite as a Preservative.Relative density 1.4.Soluble in water, glycerin, slightly soluble in alcohol.
| Specification | |
| Main content(Na2S2O5 %)% | ≥96.5 |
| Fe% | ≤0.003 |
| Water insoluble matter % | ≤0.05 |
| heavy metal % | ≤0.0005 |
| As% | ≤0.0001 |
| PHPH(5% water soluble) | 4.72 |
Used in organic synthesis, printing and dyeing, printing, leather, pharmaceutical and other departments;
Used as preservative in food processing, bleach, bulking agent.
25kg pp bag or 1000kg jumbo bag
Q1: When will my order be shipped?
A:Generally it is 7-10 days, if we have stock. If not, maybe need 10-15 days to arrange the shipping after receiving customer's payment or original LC.
Q2: Can i get some samples?
A: Yes, contact me to know more about sample
Q3: How to confirm the Product Quality before placing orders?
A: Every product is with professional COA. Please be sure about the quality.
If any doubt, sample is available to you to be tested before large quantity order.
Q4: How to start orders or make payments?
A: Payment by T/T, Western Union,MoneyGram etc .
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