| CAS No.: | 7681-57-4 |
|---|---|
| Formula: | Na2s2o5 |
| EINECS: | 231-673-0 |
| Certification: | ISO |
| Purity: | 90%~99% |
| Type: | Sodium Sulfate |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Specification(GB 1893-2008):
| Analysis item | Standard |
| Na2S2O5 | ≥96.5% |
| Fe ( Fe) | ≤0.003% |
| Water-Insoluble | 0.5%-01%max |
| Ar senic(As) content | ≤0.0001%max |
| Pb(w/%) | ≤0.0005 |
ISO 9001:2015
1.Used for the production of insurance powder, sulfadimethylpyrimidine, analgin, caprolactam and so on;
2.Used for the purification of ch loroform, phenylsulfoxide and benzaldehyde.
3.Ingredients used as fixing agents in the photographic industry;
4.The spice industry is used to produce vanillin;
5.Used as a preservative in brewing industry;
6.Rubber coagulant and cotton cloth after bleaching dechlorination agent;
7.Used for printing and dyeing, tanning;
8.Used as a reducing agent;
9.Used for electroplating industry, oil field wastewater treatment and used as mineral processing agent in mines, etc.
10.Used as preservative, bleach and loose agent in food processing.
Q1: Are you a manufacturer or trading company?
Re: We are one company integrated industry and trade. No matter the products we manufacture or trade, high-quality products, and competitive prices always will be provided for you.
Q2: May I get one sample before placing an order?
Re: Yes, we'd like to provide the sample for you. free samples(max 1Kg) are available, but freight costs will be borne by customers.
Q3: Which payment is available for your company?
Re: In order to prompt our cooperation, there are some payment methods for your choice. T/T(USD), Western Union, Paypal, Credit card, Alipay, or Alibaba trade insurance all is ok. You can choose the one which is convenient for you.
Q4: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, T/T, EMS, etc.) or by air. Usually it will cost 2-5 days that you can get the goods after delivery.
For large quantity products, shipment is better. It will cost days to weeks to come to your destination port, which depends on where the port is.
Q5: Is there any possible to use my appointed label or package?
Re: Sure. If needed, we'd like to use a label or package according to your requirement.
Q6: How can you guarantee the goods you offer are qualified?
Re: We always believe honesty and responsibility are the basis of one company, so whatever products we provide for you all are high qualified. If the goods can't come to the quality we promise, you can ask for a refund. appointed label or package?
Re: Sure. If needed, we'd like to use a label or package according to your requirement.
Q7: How to get the free solution and quotation?
Re: Please send an inquiry to us, leave your Whatsapp and email, our sales manager will contact you within 1 hour.
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}