中文名 | 4-乙酰氧基-2H,3h-吡喃-2,6-二酮 |
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英文名 | (2,6-dioxo-3H-pyran-4-yl) acetate |
英文别名 |
3-acetoxy-pent-2-enedioic acid anhydride
2,6-dioxo-3,6-dihydro-2H-pyran-4-yl acetate 4-Acetoxy-2,3-dihydro-2H-pyran-2,6-dion 2H-Pyran-2,6(3H)-dione,4-(acetyloxy) 4-Acetoxypyran-2,6(3H)-dion 4-acetyloxy-2H,3H-pyran-2,6-dione ACETIC ACID 2,6-DIOXO-3,6-DIHYDRO-2H-PYRAN-4-YL ESTER 4-acetoxy-2H,3H-pyrane-2,6-dione Glutaconicanhydride,3-hydroxy-,acetate (8CI) |
密度 | 1.38g/cm3 |
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沸点 | 321.6ºC at 760 mmHg |
分子式 | C7H6O5 |
分子量 | 170.12000 |
闪点 | 145.5ºC |
精确质量 | 170.02200 |
PSA | 69.67000 |
蒸汽压 | 0.000294mmHg at 25°C |
折射率 | 1.495 |
海关编码 | 2917190090 |
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~78% 15997-62-3 |
文献:GILEAD SCIENCES, INC.; LI, Wenjie; DE CROOS, Philomen; FANDRICK, Keith, R.; GAO, Joe, Ju; HADDAD, Nizar; LU, Zhi-Hui; QU, Bo; RODRIGUEZ, Sonia; SENANAYAKE, Chris, H.; ZHANG, Yongda; TANG, Wenjun Patent: WO2012/138670 A1, 2012 ; Location in patent: Page/Page column 58 ; WO 2012/138670 A1 |
上游产品 2 | |
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下游产品 1 | |
海关编码 | 2917190090 |
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中文概述 | 2917190090 其他无环多元羧酸. 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, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分 |
Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |