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| CAS号 : | 23912-79-0 |
精确质量 : | 338.05800 |
| 分子式 : | C22H10O4 |
logP : | 2.61580 |
| 分子量 : | 338.31200 |
PSA : | 68.28000 |
5,7,12,14-并五苯四酮 | |
pentacene-5,7,12,14-tetrone | |
23912-79-0 | |
C22H10O4 | |
338.31200 | |
68.28000 | |
2.61580 | |
338.05800 |
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1.727
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266.3ºC
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3.11E-14mmHg at 25°C
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400ºC
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1.479g/cm3
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597.4ºC at 760mmHg
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2914190090
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R36/37/38
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S26; S36/37/39
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914190090 其他不含其他含氧基的无环酮。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0% |
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2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
