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| CAS号 : | 457-68-1 |
精确质量 : | 204.07500 |
| 分子式 : | C13H10F2 |
logP : | 3.55560 |
| 分子量 : | 204.21500 |
PSA : | 0.00000 |
4,4'-二氟二苯甲烷 | |
4,4'-Difluorodiphenylmethane | |
457-68-1 | |
C13H10F2 | |
204.21500 | |
0.00000 | |
3.55560 | |
204.07500 |
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n20/D 1.536(lit.)
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白色固体
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>230 °F
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258-260 °C742 mm Hg(lit.)
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29-30 °C(lit.)
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1.145 g/mL at 25 °C(lit.)
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0.000133mmHg at 25°C
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Stable under normal temperatures and pressures.
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Store in a cool, dry place. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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3
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29036990
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S28A
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Xn
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R21/22
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
<p>本品主要用于合成脑血管新药新脑血益嗪。</p> |
