sodium ryrosulfite
Inquiry
| Post Date: | Apr 17,2014 |
| Expiry Date: | Jul 16,2014 |
| Detailed Description: |
Cas No. :7681-57-4
Payment Method: T/T molecule formula：Na2S2O5 molecule weight：190.10 Physical properties： It is white or tiny yellow crystal powder. Its relative density is 1.4. The solubility is 54g/100mlwater at 20℃ or 81.7g/100mlwater at 100℃,and the solution show acidity. It can solute in glycerine and little in alcohol. When exposed in air, it will oxidized into sodium sulfate, and can react with strong acid into sulfur dioxide gas and the salts. It is deliquescent, and will decompose when heated to 150℃ |
| 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: | Zibo Heye Chemical Co., Ltd. [ China ] |
| Contact: | Miss Li |
| Tel: | +86-533-5188093 |
| Fax: | +86-533-5131988 |
| Email: | heyechem@hotmail.com |
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