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| CAS号 : | 37456-21-6 |
精确质量 : | 302.15200 |
| 分子式 : | C18H22O4 |
logP : | 4.08620 |
| 分子量 : | 302.36500 |
PSA : | 67.51000 |
异丁色酮酸 | |
6,8-DI(TERT-BUTYL)-4-OXO-4H-CHROMENE-2-CARBOXYLIC ACID | |
37456-21-6 | |
C18H22O4 | |
302.36500 | |
67.51000 | |
4.08620 | |
302.15200 |
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1.546
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138.3ºC
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229ºC
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|
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1.159g/cm3
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402.8ºC at 760 mmHg
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2918300090
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品名, 成分含量, 用途 |
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2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、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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2918300090 other carboxylic acids with aldehyde or ketone 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% |
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2918300090. Other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
