您好，欢迎来到魔法化学网！
| CAS号 : | 25629-50-9 |
精确质量 : | 254.98500 |
| 分子式 : | C11H7Cl2NO2 |
logP : | 3.68240 |
| 分子量 : | 256.08500 |
PSA : | 43.10000 |
3-(2-氯苯基)-5-甲基-4-异恶唑甲酰氯 | |
3-(2-chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl chloride | |
25629-50-9 | |
C11H7Cl2NO2 | |
256.08500 | |
43.10000 | |
3.68240 | |
254.98500 |
|
奶油色固体
|
|
|
1.574
|
|
|
4.99E-06mmHg at 25°C
|
|
|
41-42°C
|
|
|
1.381g/cm3
|
|
|
381.7ºC at 760mmHg
|
|
II
|
|
|
8
|
|
|
2934999090
|
|
|
3261
|
|
|
R34
|
|
|
S26-S36/37/39-S45-S36/45
|
品名, 成分含量, 用途 |
|
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% |
|
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|
2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: |
|
|
|
|
用邻氯苯甲醛与盐酸羟胺在碱性条件下肟化，生成邻氯苯甲肟，然后以氯气氯化得邻氯苯甲肟氯，进而与乙酰乙酸乙酯环合并水解酯基，生成3-（邻氯苯基）-5-甲基-4-异噁唑甲酸，最后以五氯化磷氯化制得该品。 | |
有机合成、医药中间体。 |
