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| CAS号 : | 7218-52-2 |
精确质量 : | 100.01600 |
| 分子式 : | C4H4O3 |
logP : | -0.93330 |
| 分子量 : | 100.07300 |
PSA : | 57.53000 |
4-羟基丁-2-炔酸 | |
4-Hydroxybut-2-ynoic acid | |
7218-52-2 | |
C4H4O3 | |
100.07300 | |
57.53000 | |
-0.93330 | |
100.01600 |
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161ºC
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319.2ºC at 760 mmHg
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1.429 g/cm3
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S26; S36/37/39
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R36/37/38
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2918199090
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品名, 成分含量, 用途 |
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HS: 2918199090. 其他含醇基但不含其他含氧基羧酸（包括其酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
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2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
