Anhydrous Sodium Sulfite
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| Post Date: | Jun 15,2016 |
| Expiry Date: | Jun 15,2017 |
| Detailed Description: |
Cas No. :7757-83-7
Quantity: 200000Metric Tons Specs:Industrial Grade Price:290-350 USD Metric Tons Payment Method: T/T, D/A or Cash Classification: Sulphate Type: Sodium Sulfite Other Names: Sodium Sulfite CAS No.: 7757-83-7 MF: Na2SO3 Place of Origin: Weifang，Shandong, China (Mainland) Grade Standard: Food Grade, Industrial Grade, Medicine Grade Purity: 97%min Appearance: White crystalline powder Application: Sodium Sulfite can be used in many industrials, such as, medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food. Brand Name: Bochuang Model Number: Industrial Grade Color: Pure White Packaging Details: Packed in 25/50kg per bag or following your demand Delivery Detail：Within 3 days after receiving the deposit Terms of Payment：D/A or Cash Delivery Port：Qingdao Sodium Sulfite Properties Molecular Formula Na2SO3 Molar Mass 126.043g/mol Appearance White solid Odor Odorless Density 2.633 g/cm3 (anhydrous) 1.561 g/cm3 (heptahydrate) Melting Point 33.4 °C (dehydration of heptahydrate) 500 °C (anhydrous) Boiling Point Decomposes(separate(substances) into constituent elements) Solubility in Water 67.8 g/100 mL (18 °C, heptahydrate) Solubility Soluble in glycerol, insoluble in ammonia, chlorine Acidity (pKa) ~9 (heptahydrate) Refractive index (nD) 1.565 Molecular Formula Na2 SO3 Molecule Weight 126.04 CAS No. 7757- 83-7 HS Code 28321000 Identity: White crystal or powder and have smell such as SO2 , it will lose some sulfur dioxide if emerged in air, and create sulfate. Uses: Used in leather and medicine, bleach textile and paper, reductant Item Top Grade First Grade Qualified Grade Sodium Sulfide (Na2SO3) ,%≥ 99.0 98.0 97.0 Water-Insoluble , %≤ 0.005 0.02 0.03 Chloride (Nacl ) ,%≤ 0.004 0.1 0.1 Sulfate (Na2SO4 ) ,%≤ 1.00 1.5 2.5 Fe,%≤ 0.002 0.003 0.003 Heavy metal (Pb) ≤% 0.001 0.002 0.002 Package 50 plastic bag or big bag 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 Storage & Handling: Store the product in a cool and dry place, avoid contact sunshine ,water and moisture, avoid contact with strong acid, oxidants or poisonous substances, exposure to moisture will make it oxidze easily to sodium sulphate , not store it for a long time . |
| CAS Registry Number: | 7757-83-7 |
| Synonyms: | ;Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade); |
| Molecular Formula: | Na2SO3 |
| Molecular Weight: | 126.04 |
| Molecular Structure: | 
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| Hazard Symbols: |  Xn:Harmful; |
| Risk Codes: | R22:; R36/37/38:; |
| Safety Description: | S24/25:; |
| Company: | Weifang Bo Chuang Chemical Co., LTD [ China ] |
| Contact: | Xiaowen Li |
| Tel: | +86-0536-2295552 |
| Fax: | +86-0536-5307189 |
| Email: | wenzi1993320320@hotmail.com |
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