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| CAS号 : | 42149-31-5 |
精确质量 : | 138.06800 |
| 分子式 : | C8H10O2 |
logP : | 0.56760 |
| 分子量 : | 138.16400 |
PSA : | 25.06000 |
2,5-二甲基-1,2,5,6-二环氧己-3-炔 | |
2-methyl-2-[2-(2-methyloxiran-2-yl)ethynyl]oxirane | |
42149-31-5 | |
C8H10O2 | |
138.16400 | |
25.06000 | |
0.56760 | |
138.06800 |
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1.519
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69.4ºC
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1.14g/cm3
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191.9ºC at 760 mmHg
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2910900090
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品名, 成分含量, 用途 |
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2910900090. 三节环环氧化物，环氧醇（酚，醚），包括其卤化，磺化，硝化或亚硝化的衍生物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0% |
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2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
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HS: 2910900090. Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. General tariff: 0.055 |
