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| CAS号 : | 174508-31-7 |
精确质量 : | 297.83000 |
| 分子式 : | C6H4Br2O2S |
logP : | 3.04430 |
| 分子量 : | 299.96800 |
PSA : | 46.70000 |
2,5-二溴-3,4-乙烯基二氧噻吩 | |
5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine | |
174508-31-7 | |
C6H4Br2O2S | |
299.96800 | |
46.70000 | |
3.04430 | |
297.83000 |
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1.644
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139.2ºC
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0.00139mmHg at 25°C
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98ºC
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2.139g/cm3
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306.5ºC at 760mmHg
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GHS07 | |
警告 | |
H302 | |
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2934999090
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R20/21/22; R36/37/38
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S22-S26-S36/37/39
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Xn
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品名, 成分含量, 用途 |
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2934999090. 其他杂环化合物. 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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2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: |
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![2,3-二氢-噻吩并[3,4-b]-1,4-二噁英-5,7-二羧酸二乙酯](https://www.chemicalbook.com/CAS/GIF/154934-13-1.gif)
