Factory Direct Sale High Quality Sodium Sulfite Na2so3 CAS No 7757-83-7

• CAS No.: 7757-83-7
• Formula: Na2o3s
• EINECS: 231-821-4
• Certification: ISO
• Purity: 90%~99%
• Type: Sodium Sulfite
• Model NO.: YX-20231225
• Appearance: Powder
• Grade Standard: Industrial Grade
• Molecular Formula: Na2o3s
• Molecular Weight: 126.04300
• Exact Mass: 125.93600
• Psa: 82.40000
• Logp: -0.13840
• Appearance and Properties: White Crystal or Powder
• Density: 2.63
• Melting Point: 500 °c
• Refractive Index: 1.484
• Water Solubility: 23 G/100 Ml (20 ºC)
• Stability: Stable. Incompatible with Strong Acids.
• Storage Conditions: Warehouse Low Temperature, Ventilation, Dry
• Grade: Industrial Grade
• Samples: Available
• COA: Available
• Transport Package: 25kg/Bag or Drum
• Specification: 25Kg/bag or drum
• Trademark: YANXI
• Origin: China Shandong
• HS Code: 2832100000
• Production Capacity: 100 Metric Ton/Month

Product Description

Product Description

Factory Direct Sale High Quality Sodium Sulfite Na2so3 CAS No 7757-83-7
 

Product Name	Sodium Sulfite
Formula	Na2SO3
Cas No.	7757-83-7
Einecs No.	231-821-4
Appearance	White crystalline powder
Purity	96% 97%
Application	Used in the production of cellulose sulfite, sodium thiosulfate, organic chemicals, and bleached fabrics;Reducing agent, preservative, dechlorinating agent

Appearance and properties: white crystal or powder

Density: 2.63

Melting point: 500 °C

Refractive index: 1.484

Water solubility: 23 g/100 mL (20 ºC)

Stability: Stable. Incompatible with strong acids. Moisture and air sensitive.

Storage conditions: warehouse low temperature, ventilation, dry
 

ITEM	SPECIFICATION	TEST RESULT
Na2SO3 content :	97.0 %min	97.56%
Sodium sulphate :	2.5%max	1.30%
Sodium chloride (NaCL):	0.1%max	0.08%
Iron (Fe) :	30ppm max	15ppm
Water insoluble :	0.02%max	0.02%
HEAVY METAL AS PB	10ppm max	5ppm
Free alkali (as Na2CO3) :	0.10%max	0.08%

Usage:

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 silicate and other chemical products. 

Detailed Photos

 

Packaging & Shipping

Package: 2-layer PE bag

1kg/aluminium foil bag, with two plastic bags inside.

25kg/fiber drum, with two plastic bags inside.

Size:ID 42cm*H52cm,0.08m3/drum;

Net Weight:25kgs Gross Weight:28kgs.

Net Weight Per Bag: 25kgs or 50kgs or 1ton                                 
                                                         
Port: Qingdao, Tianjin, Shanghai

Stored in a cool, ventilated warehouse. Away from fire and heat. Acids, etc. should be kept separately, avoid mixed reserve.

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