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| CAS号 : | 57-50-1 |
精确质量 : | 342.11600 |
| 分子式 : | C12H22O11 |
logP : | -5.39560 |
| 分子量 : | 342.29600 |
PSA : | 189.53000 |
白砂糖 | |
sucrose | |
57-50-1 | |
C12H22O11 | |
342.29600 | |
189.53000 | |
-5.39560 | |
342.11600 |
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66.5 ° (C=26, H2O)
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白色晶体或粉末
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697.1ºC at 760 mmHg
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185-187 °C(lit.)
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1970 g/L (15 ºC)
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1.5805
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Stable. Combustible. Incompatible with strong oxidizing agents. Hydrolyzed by dilute acids and by invertase.
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Store at RT.
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WN6500000
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2
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S24/25
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1701991090
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Xi
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R36/37/38
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
<p>1.蔗糖大量来自甘蔗糖和甜菜,甘蔗含蔗糖约15-20%,甜菜含10-17%。其他各种果实、种子、叶、花、根中也有不同的含量。将甘蔗榨出法液或将甜菜切片用水提出糖汁,用石灰澄清法或兼用亚硫酸饱充法,除去糖汁中的杂质,过滤后将滤液真空蒸浓,再结晶分离而得粗糖,再经脱色、重结晶而得精糖。 <br>2.将普通蔗糖溶于水中,过滤,然后减压蒸发即可得纯品。</p> | |
<p>用作有机元素分析标准</p> |
