中文名 | 3-羟基-3-甲基戊二酸酐 |
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英文名 | 3-Hydroxy-3-methylglutaric Anhydride |
英文别名 |
4-hydroxy-4-methyloxane-2,6-dione
2H-Pyran-2,6(3H)-dione, dihydro-4-hydroxy-4-methyl- 4-Hydroxy-4-methyldihydro-2H-pyran-2,6(3H)-dione |
密度 | 1.4±0.1 g/cm3 |
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沸点 | 315.2±35.0 °C at 760 mmHg |
熔点 | 97-99ºC |
分子式 | C6H8O4 |
分子量 | 144.125 |
闪点 | 138.3±19.4 °C |
精确质量 | 144.042252 |
PSA | 63.60000 |
LogP | -1.47 |
蒸汽压 | 0.0±1.5 mmHg at 25°C |
折射率 | 1.500 |
海关编码 | 2918199090 |
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海关编码 | 2918199090 |
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中文概述 | 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% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 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% |