您好,欢迎来到魔法化学网!

| CAS号 : | 2524-37-0 |
精确质量 : | 196.07400 |
| 分子式 : | C10H12O4 |
logP : | 1.58290 |
| 分子量 : | 196.20000 |
PSA : | 66.76000 |
2,4-二羟基-6-甲基甲酸乙酯 | |
ethyl 2,4-dihydroxy-6-methylbenzoate | |
2524-37-0 | |
C10H12O4 | |
196.20000 | |
66.76000 | |
1.58290 | |
196.07400 |
|
1.566
|
|
|
138.6ºC
|
|
|
2.33E-05mmHg at 25°C
|
|
|
129-132 °C(lit.)
|
|
|
1.249g/cm3
|
|
|
349.5ºC at 760mmHg
|
|
2918199090
|
|
|
3
|
|
|
R36/37/38
|
|
|
S26-S37/39
|
|
|
Xi
|
品名, 成分含量, 用途 |
|
HS: 2918199090. 其他含醇基但不含其他含氧基羧酸(包括其酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
|
2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
|
|
将2,4-二羟基-3,5-二溴-6-甲基苯甲酸乙酯加入氢氧化钠溶液中,在钯/聚乙烯醇催化剂存在下进行氢解。反应后加氯化钠沉淀出催化剂,过滤,滤液酸化后用三氯甲烷萃取,萃取液回收溶液后得2,4-二羟基-6-甲基苯甲酸乙酯 | |
用机合成中间体 |