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CA登记号: |
7681-57-4 |
英文名: |
Sodium metabisulfite;Sodium pyrosulfite |
别名: |
偏重亚硫酸钠;重硫氧 |
分子式: |
Na2S2O5 |
用途: |
用作漂白剂、媒染剂、还原剂、橡胶凝固剂,也用于有机合成、制药及香料等 |
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性状 |
白色或微黄色结晶粉末。 |
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熔点 |
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沸点 |
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凝固点 |
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相对密度 |
1.4 |
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折射率 |
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闪点 |
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溶解性 |
溶于水,水溶液呈酸性。溶于甘油,微溶于乙醇。 |
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2007-06-07 |
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2007-05-14 |
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2006-12-06 |
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2006-08-01 |
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2005-08-19 |
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2008-05-27 | |
2008-05-27 | |
2007-12-03 | |
2007-12-03 | |
2007-10-26 |
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2008-09-12 | |
2008-09-03 | |
2008-09-03 | |
2008-09-01 | |
2008-08-29 |
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