| Customization: | Available |
|---|---|
| CAS No.: | 7681-57-4 |
| Formula: | Na2s2o5 |
|
Still deciding? Get samples of US$ 150/Piece
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Product Name:Sodium Pyrosulfite
Identification
Molecular Formula:H2O5S2.2Na
Molecular Weight :192.12
EINECS:231-673-0
CAS Number:7681-57-4
Melting point: >300 °C (lit.)
Density: 1.48
Storage: Store at +5°C to +30°C.
Solubility: 540g/l (20°C)
Form: Powder/solid
| sulfur dioxide | iron | water insoluble | PH value |
| ≥65% | ≤0.005% | ≤0.05% | 4.0-4.6 |
On the basis of the plentiful experiences of production and R & D in the chemical industry more than two decades from group company Jiaerke, changzhou KOYE chemical co.,ltd are engaged in import & export of performance chemical products, pharmaceutical raw materials & intermediates and offer a broad range of high value products and services for companies at home and abroad.
Production:our associate factory possesses 20000T/a of capacity for Phospha tes & 3000T/a of capacity for polymers. And it possess production facility conforms to G M P standard, which could assure you high quality APIs and intermediates.
R & D: our associate factory own synthetic and biochemical labs, sophisticated multifunctional pilot workshop which is able to customize chemical products from the level in gram to that in kilogram and excel at process scale-up from lab to workshop.
Export:1. Water treatment chemicals, mainly includes series of organic phosphoric acid, biocide and polymer.
2. Fine chemicals, mainly includes flame retardant, pharmaceutical raw materials & intermediates. Our products are exported to many countries and areas such as Europe, North America, South America, Southeast Asia, etc.
KOYE insists on gaining win-win situation with customers & partners at home and abroad.
Q1. What is your terms of payment?
A: Small:TT 100% in advance,Credit Card.Large:L/C at sight,T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q2. How about your delivery time?
A: Generally, it will take 15 to 20 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q3. Do you have any MOQ limit for order?
A: Yes, Low MOQ, 10-100g for sample checking is available.
Q4. How to proceed an order for your products?
A: Firstly let us know your requirements or application.Secondly We quote according to your requirements or our suggestions.Thirdly customer confirms the samples and places deposit for order.Fourthly We arrange the production.
Q5. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q6: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
){kind=link}