18 Sodium Sulphite Anhydrous

• Company : Changsha Yonta Industry Co. Ltd.
• Region : Hunan , China
• Category : Chemicals > Inorganic Salt
• Specification : -
• Quantity : 22,000Mts /Year
• Price : USD305.- ~ USD520.- /MT FOB Huangpu/Tianjin,China
• Contact Person : Mr. Zhu He|||General Manager
• Telephone :
• Fax :
• Mobile phone :
• Website : www.hunanchem.com
• Email : [email protected]
• Instant Messenger : Whatsapp : + 86 13507405760 Wechat : yonta86
• Update : Mar/22/2019

• Product Details

  Sodium Sulphite Anhydrous - Product Identification CAS No. : 7757-83-7 EINECS No. : 231-821-4 H.S. Code : 2832.100000 Formula : Na2SO3 Molecular Weight : 126.04 Toxicity : Oral mouse LD50: 820 mg/kg Synonyms : Sodium Sulfite Anhydrous; Disodium Sulfite; Natrii Sulphis; Natrium Sulfurosum; Natriumsulfit (German); Sulfurous Acid, Disodium Salt; - Physical And Chemical Properties Physical State : White crystalline powder Melting Point : Decomposes Specific Gravity : 2.633 Solubility in water : good PH : 9 Vapor Density : 4.35 NFPA Ratings : Health: 1 Flammability: 0 Reactivity: 0 Stability : Stable under ordinary conditions - Applications - Pharmaceutical industry for the production of chloroform, benzene, styrene sulfone, formaldehyde. - Rubber industry as a coagulant. - Bleached cotton printing and dyeing industry as the dechlorination agent, cotton scouring agent. It can prevent the partial oxidation of cotton cloth fiber and influence the fiber strength. - Leather tanning industry for processing?make the leather soft, plump, tough, waterproof, bending, wear and other properties. - The chemical industry for the production of vanillin hydroxyl, hydroxylamine hydrochloride and so on. - Photographic Industry as a developer, etc. - The food industry as a bleaching agent, preservatives, leavening agent, antioxidant, color agents and the insurance agent. as reducer in producing dehydration vegetables. - Electronics industry for the manufacture of photosensitive resistance. - Paper-making, Electronic, Water-treatment for electroplating wastewater, drinking water, etc. - Specification Testing Items / Quality Standard – Type (1) / Quality Standard – Type (2) Appearance : White crystalline powder / White crystalline powder Purity – NA2SO3 : 97% Min / 93% Min Water Insoluble : 0.02% Max / 0.03% Max Fe : 0.003% Max / 0.005% Max Free Alkali, as NA2CO3 : 0.1% Max / 0.4% Max

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