| 
             [Product name]: 
             | 
            
             Benzenesulfinicacid sodium salt 
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| 
             [Structural Formula]: 
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            ![]()  | 
        
| 
             [Molecular Formula]: 
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             C6H5NaO2S 
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             [CAS NO]: 
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             873-55-2 
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             [Packing]: 
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            25kg woven bag \ 40kg drum | 
| Specification: | ||
| Check-Point | Unit | Specifications | 
| Appearance | -- | White crystalline powder | 
| Purity | % min | 98 | 
| PH | -- | 7-10 | 
| water solution | 2% | lucency | 
| Water | % max | 1.0S | 
| Sodium chloride | % max | 1.0 | 
| Sodium sulfate | % max | 1.0 | 
| Sodium carbonate | % max | 0.05 | 
| Heavy metal | ppm max | 10 | 
H.S. CODE: 2904900000