96% Sodium Sulfite Anhydrous, Na2so3, Used in Artificial Fiber Stabilizer, Fabric Bleach, Photographic

• CAS No.: 7757-83-7, 7757-83-7
• Certification: CIQ, ISO, SGS
• Purity: 90%~99%
• Type: Sodium Sulphite
• Appearance: Powder
• Grade Standard: Industrial Grade
• Model NO.: 96%, 97%
• Formula: Na2so3
• Transport Package: Plastic Bag, N. W. 50kg, 1000kg
• Specification: 96%, 97%
• Trademark: LY
• Origin: Tianjin
• HS Code: 28321000
• Production Capacity: 3000ton/Month

Product Description

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1. Factory price,
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Specifications

Sodium Sulfite Anhydrous / Sodium Sulphite 
96% Anhydrous Sodium Sulfite Na2SO3
Appearance: white crystal or powder 
Density (g/cm3): 1.561
Solubility: Soluble in water, water solution is alkaline. indissolvable in ethanol
Specification:
 

ITEMS	Premium grade
	Super grade	First grade	Salable product
Sodium sulfite ( Na2SO3 ) , % ≥	97.0	96.0	95.0
Fe , ≤	0.003	0.005	0.01
Water insoluble matter , % ≤	0.02	0.03	0.05
Free alkali ( as Na2SO3 ) , % ≤	0.10	0.40	0.60
Na2SO4 , % ≤	2.50	/	/
NaCl , % ≤	0.10	/	/

Sodium sulfite Application:
1. In the field of water treatment
as the deoxidant of boiler water and oilfield flooding;
as antichlor for municipal and industrial water;
as the raw material for the production of sodium thiosulfate;
as the stabilizer of viscose acetal fibre;
as the bactericide of beer bottle.
2. In food industry: as bleaching agent, preservative, bulking agent, antioxidant and for the medicine synthesis
3. As analytical reagent, light dependent resistor materials and base solution of polarographic analysis
4. As antioxygen of cosmetics, mainly for hair dye cosmetics
5. As reducing agent of spice, dye and so on
6. In textile industry: as bleacher and deoxidier for fabric
7. In paper industry: as lignin removal agent.