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| CAS号 : | 288-05-1 |
精确质量 : | 131.94800 |
| 分子式 : | C4H4Se |
logP : | 0.74360 |
| 分子量 : | 131.03500 |
PSA : | 0.00000 |
硒酚 | |
selenophene | |
288-05-1 | |
C4H4Se | |
131.03500 | |
0.00000 | |
0.74360 | |
131.94800 |
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n20/D 1.58(lit.)
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20.6ºC
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27.8mmHg at 25°C
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Flammables area
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-30ºC(lit.)
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110-111ºC(lit.)
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II
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3.1
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2902909090
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UN 1993 3/PG 2
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R23/25; R33; R50/53
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S20/21; S28; S45; S60; S61
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T; N
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品名, 成分含量 |
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2902909090. 其他芳香烃. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:2.0%. 普通关税:30.0% |
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2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
