Sodium Sulfite Anhydrous

Alias: Sodium sulphite
Grade: Industrial grade & Food grade
Molecular formula: Na2SO3
Molecular weight: 126.04
Appearance: White crystal powder

1. Industrial Grade Quality standard: HG/T 2967-2000

Item	Index
Item	Superior quality	First class	Qualified
Sodium sulfite(Na2SO3), %≥	97	96	93
Iron(Fe), %≤	0.003	0.005	0.02
Water-insoluble, %≤	0.02	0.03	0.05
Free alkali(Na2CO3), %≤	0.1	0.4	0.8
Sodium sulfate(Na2SO4),%≤	2.5	--	--
Sodium chloride(NaCl), %≤	0.1	--	--

Application recommendation:

- Used for bleacher of tanning industry and plant fiber.

- Used for antichlor and bleacher in printing and dyeing industry developer in sensitization industry.

- Lentine in organic industry, reducer in producing aminosalicylic acid.

- Synthetic fiber and stabilizing agent in textile industry.

- It can prevent the partial oxidation of cotton cloth fiber and influence the fiber strength,

- Used in sorts of cotton fabric scouring, paper-making, electronic, water-treatment, etc.

2. Food Grade Quality standard: GB 1894—2005

Item	Index
Sodium sulfite (Na2SO3), % ≥	96
Iron (Fe), % ≤	0.01
Free alkali ( Na2CO3 ), % ≤	0.6
Heavy metal ( Pb ), % ≤	0.001
Arsenic (As), % ≤	0.0002
Clarity	Passed

Application recommendation:

1- Used for bleacher, preservative, loosening agent, antioxidant and reducer in producing dehydration vegetables.

2- Used in medicine synthesis.

Package:

25kg, 50kg, 1000kg/bag or customized in polypropylene woven bag lined with polyethylene plastic bag or plastic and paper compound bag, kraft bag, etc.

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Sodium Metabisulfite →

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Sodium Sulfite Anhydrous

Sodium Sulfite Anhydrous