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| CAS号 : | 3621-82-7 |
精确质量 : | 186.95900 |
| 分子式 : | C7H3Cl2NO |
logP : | 3.13460 |
| 分子量 : | 188.01100 |
PSA : | 26.03000 |
2,6-二氯苯并噁唑 | |
2,6-Dichlorobenzoxazole | |
3621-82-7 | |
C7H3Cl2NO | |
188.01100 | |
26.03000 | |
3.13460 | |
186.95900 |
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白色晶体
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1.636
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49-51°C
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1.522 g/cm3
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242.9ºC at 760 mmHg
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2934999090
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R36/37/38
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S26; S36/37/39
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Xi
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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: |
其制备方法是在反应釜中加入2-苯并噁唑酮和氯苯,通入氯气,温度逐步上升,反应时间3h,反应温度40～130℃,控制通氯气量,反应结束后赶走氯化氢和多余的氯气,得到2-羟基-6-氯苯并噁唑,然后加热,与三氯化磷反应得到2,6-二氯苯并噁唑,脱溶剂氯苯得到成品。 | |
农药恶唑酰草胺、精噁唑禾草灵的中间体。 |
