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| CAS号 : | 51325-91-8 |
精确质量 : | 303.13700 |
| 分子式 : | C19H17N3O |
logP : | 3.92746 |
| 分子量 : | 303.35800 |
PSA : | 60.05000 |
4-（二巯基亚甲基）-2-甲基-6-（对二甲氨基苯乙烯基）-4H-吡喃 | |
4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran | |
51325-91-8 | |
C19H17N3O | |
303.35800 | |
60.05000 | |
3.92746 | |
303.13700 |
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红色/棕色晶体
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1.689
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43ºC
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Flammables area
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215-220ºC (lit.)
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1.239
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446.9ºC at 760mmHg
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III
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4.1
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2932999099
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UN 3175
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R10; R11; R20/21/22; R36/37/38
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S16-S26-S36/37-S7/9
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F; Xn
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品名, 成分含量, 用途 |
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2932999099. 其他仅含氧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% |
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2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
