Sodium metabisulfite industry grade
Inquiry
| Post Date: | Apr 08,2025 |
| Expiry Date: | Apr 08,2026 |
| Detailed Description: |
Cas No. :7681-57-4
Quantity: 30000Metric Tons Specs:96.5% purity Price:300 USD Metric Tons Payment Method: T/T and L/C Sodium metabisulfite industry grade 1、Molecular formula：Na2S2O5 2、Molecular Weight：190.10 3、Nature： white or light yellow crystalline powder , relative density is 1.4 . Soluble in water (when20 ° C, 54g/100ml water; when 100 ° C, 81.7g/100ml water), acidic aqueous solution. Soluble in glycerine, slightly soluble in ethanol. Moisture easily decomposed, exposed in the air easily oxidized into sulfate. Exposure to emit sulfur dioxide and acid generated the corresponding salts. Heated to 150 ° C decomposition. 4、Usage： Pharmaceutical industry for the production of chloroform, benzene, styrene sulfone, and formaldehyde. Rubber industry as a coagulant. Bleached cotton printing and dyeing industry as the dechlorination agent, cotton scouring agent. 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. Sensitive industries such as reagent. The food industry as a bleaching agent, preservatives, leavening agent, antioxidant, color agents and the insurance agent. According to China GB2760-86 provides that: as a preservative for the wine, the greatest use of 0.25g/kg; as bleaching agent for glucose, sugar, bamboo, rattan and other mushrooms, no more than 0.45g/kg; residue (SO2 total), bamboo shoots, mushrooms are not allowed more than 0.025 |
| CAS Registry Number: | 7681-57-4 |
| Synonyms: | ;Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade); |
| Molecular Formula: | Na2S2O5 |
| Molecular Weight: | 190.1065 |
| Molecular Structure: | 
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| Hazard Symbols: |  Xn:Harmful; |
| Risk Codes: | R22:; R31:; R41:; |
| Safety Description: | S26:; S39:; S46:; |
| Company: | Hunan Yueyang Sanxiang Chemical Co.,Ltd [ China ] |
| Contact: | Kerry Xiao |
| Tel: | 0730-8555768 |
| Fax: | 0730-8555728 |
| Email: | zhy@sanxiangchem.com |
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