Hot Sales Price Na2so3 Price Anhydrous Sulphite Sodium Sulfite

Product Description

Product DescriptionSodium sulfite with low price CAS 7757-83-7

Sodium sulfite Basic information
Product Name:	Sodium sulfite
CAS:	7757-83-7
MF:	Na2O3S
MW:	126.04
EINECS:	231-821-4
Sodium sulfite Chemical Properties
Melting point	500 °C
density	2.63
refractive index	1,484
storage temp.	Store at +5°C to +30°C.
solubility	H2O: 1 M at 20 °C, clear, colorless
form	Solid
color	White to slightly yellow
Specific Gravity	2.633
PH Range	9.0 - 10.5 at 126 g/l at 25 °C
Odor	Odorless
PH	9.0-10.5 (25ºC, 1M in H2O)
Water Solubility	23 g/100 mL (20 ºC)
Sensitive	Hygroscopic
Merck	148,682
Stability:	Stable. Incompatible with strong acids. Moisture and air sensitive.
CAS DataBase Reference	7757-83-7(CAS DataBase Reference)
NIST Chemistry Reference	sodium sulfite(7757-83-7)
EPA Substance Registry System	Sodium sulfite (7757-83-7)

COA

Item	Specification
	industrial-grade	Food grade
Purity (in Na2SO3)	≥96.0%	≥98.0%
( SO4)	≤2.5%	≤1.5%
NaCL	≤0.5%	≤0.1%
( As )	-	≤0.0002%
Pb	-	≤0.0005%
(Fe)	≤0.005%	≤0.002%
Water insoluble substance	≤0.05%	≤0.02%

Sodium sulfite is a water-soluble inorganic salt commonly used as a reducing agent. It is also used in oil industry, textile industry, metallurgical industry, paper industry, printing and dyeing industry, industrial sewage treatment and so on.Widely used in bleaching, glass, paper making, tanning, metal smelting, surface treatment and filler industries.
It is aslo Used in chemical industry as material of manufaturing sodium sulphide,sodium silicate and other
chemical products.
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TNN was founded in 1998 in Dalian China with headquarter in Dalian, overseas branch offices in the USA, Australia, and Dubai. TNN has three domestic branches in Jilin, Shanghai, and Shenyang. Mix container and professional loading with taking photos off every step. Our own laboratory, pre-shipment sample before shipment, and keep batch samples.
Our Mission: In order to seek wealthy and spiritual life for all TNN members, constantly improving foreign trade services. Striving to promote people's life around the world!
Our Products: Specialize in chemicals, Health & Medicine, Food Additive, fashion accessories, lotion pumps & sprayers, gloves & other epidemic prevention products, and bottle caps supplied to all over the world. TNN will make your life better.
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Exporting to 60+ Countries: Our products have been sold to clients all over the world, such as Japan, Korea, Mideast, Middle Asia, Europe, Africa, India, South America, keeping a cooperative relationship with 60+ countries. We are firmly committed to our mission of creating a global trade network on supply, sales, and service.

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