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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