Products Description
Product name:Sodium sulfite
CAS:7757-83-7
MF:Na2O3S
MW:126.04
Density:2.63 g/cm3
Melting point:500°C
Package:1 kg/bag, 25 kg/bag, 1000 kg/bag
Property:It is easily soluble in water, and its aqueous solution is alkaline; It is insoluble in ethanol.
Specification
| Items | Specifications |
| Appearance | White powder |
| Purity | ≥96% |
| SO4 | ≤2.5% |
| NaCl | ≤0.5% |
| Fe | ≤0.005% |
| Water in soluble matter | ≤0.05% |
Application
1. Industrial grade:It is used as filter remover and bleach in printing and dyeing industry, bleach, developer, reductant, stabilizer in leather industry, as well as paper making, electronics, water treatment, etc.
2. Food grade:It is used as a preservative, antioxidant and antimicrobial agent in the food industry, such as fruits, vegetables, juice (citrus and grapes) and seafood. It is used as an anti-starter during storage and as a bactericidal agent in the production of starch and saccharin.
Storage
The warehouse is ventilated and dry at low temperature.
Package

Sodium sulfite 7757-83-7

Sodium sulfite powder

Sodium sulphite

Sodium sulphite 7757-83-7
Transportation & Payment

About Transportation
* We can supply different kinds of transport according customers' demands.
* When the quantity is small, we can ship by air or international couriers, such as FedEx, DHL, TNT, EMS and various of international transport special lines.
* When the quantity is large, we can ship by sea to appointed port.
* Besides, we can also provide special services according to customers’ demands and products’ properties.

* We can supply a variety of payment methods for customers' choice.
* When the amount is small, customers usually make payment through PayPal, Western union, Alibaba, etc.
* When the amount is large, customers usually make payment through T/T, L/C at sight, Alibaba, etc.
* Besides, more and more customers will use Alipay or WeChat pay to make payment.
FAQ
1
May I get any sample from you?
Re: Yes, of course, we’d like to provide sample to you according to your demands.
2
What is your MOQ?
Re: Usually our MOQ is 1 kg, but sometimes it is also flexible and depends on different products.
3
How long I can get my goods after payment?
Re: If shipped by couriers or air, it usually cost 5-10 days.
If shipped by sea, it usually cost 3-40 days, which depends on your destination.
4
Do you have any after-sales service?
Re: Yes, we will inform you progress of the order, such as product preparation, declaration, transportation follow-up, customs clearance assistance, technical guidance, etc.
Contact Us


maq per Qat: sodium sulfite cas 7757-83-7












