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| CAS号 : | 76-03-9 |
精确质量 : | 161.90400 |
| 分子式 : | C2HCl3O2 |
logP : | 1.44120 |
| 分子量 : | 163.38700 |
PSA : | 37.30000 |
三氯乙酸 | |
trichloroacetic acid | |
76-03-9 | |
C2HCl3O2 | |
163.38700 | |
37.30000 | |
1.44120 | |
161.90400 |
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n20/D 1.62(lit.)
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<1 (vs air)
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透明至白色片
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库房通风低温干燥,与氧化剂、碱类分开存放
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196°C
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196 °C(lit.)
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54-58 °C(lit.)
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120 g/100 mL (20 ºC)
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1.62 g/mL at 25 °C(lit.)
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Stable, but moisture sensitive. Incompatible with water, strong bases. Note that the Merck Index states that this material is hydrolytically unstable in aqueous solution below 30% by weight. Decomposition products include carbon monoxide and carbon dioxide
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1 mm Hg ( 51 °C)
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GHS05, GHS09 | |
危险 | |
H314; H410 | |
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AJ7875000
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8
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29154000
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2
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S26-S36/37-S61-S60-S45-S36/37/39
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II
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UN 1839 8/PG 2
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C
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R35; R50/53
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29154000. Mono-, di- or trichloroacetic acids, their salts and esters. General tariff:5.5% |
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1.由醋酸氯化后分离以氯乙酸母液作原料,硫磺粉为催化剂,在90-100℃条件下继续氯化,然后再结晶,即得。 | |
1.该品是医药上的除疣剂和收敛剂,三氯乙酸钠是选择性除草剂,主要用作生物化学药品提取剂,如三磷酸腺苷、细胞色素丙和胎盘酯多糖等高效药品的提取,还用作农药的原料,蛋白质的沉淀剂和显微镜样品的固定剂。用作选择性除草剂(钠盐)、局部腐蚀剂、收敛剂、消毒剂、角质溶解剂、蛋白质沉淀剂及医药的原料等。 |