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| CAS号 : | 3552-33-8 |
精确质量 : | 140.04700 |
| 分子式 : | C7H8O3 |
logP : | 0.79630 |
| 分子量 : | 140.13700 |
PSA : | 43.37000 |
3-乙基-4-甲基呋喃-2,5-二酮 | |
2-Ethyl-3-methylmaleic Anhydride | |
3552-33-8 | |
C7H8O3 | |
140.13700 | |
43.37000 | |
0.79630 | |
140.04700 |
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1.479
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101.6ºC
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1.171g/cm3
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231.8ºC at 760mmHg
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2917190090
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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 |
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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% |
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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% |
