您好，欢迎来到魔法化学网！
| CAS号 : | 638-07-3 |
精确质量 : | 164.02400 |
| 分子式 : | C6H9ClO3 |
logP : | 0.74750 |
| 分子量 : | 164.58700 |
PSA : | 43.37000 |
4-氯乙酰乙酸乙酯 | |
Ethyl 4-chloroacetoacetate | |
638-07-3 | |
C6H9ClO3 | |
164.58700 | |
43.37000 | |
0.74750 | |
164.02400 |
|
n20/D 1.452(lit.)
|
|
|
透明无色至淡黄色红色液体,乙酸气味
|
|
|
206 °F
|
|
|
115 °C14 mm Hg(lit.)
|
|
|
-8 °C
|
|
|
1.218 g/mL at 25 °C(lit.)
|
|
|
47.5 g/L (20 ºC)
|
|
|
Stable at room temperature in closed containers under normal storage and handling conditions.
|
|
|
2-8ºC
|
|
AK5110000
|
|
|
3
|
|
|
8
|
|
|
S26-S36-S45-S61-S36/37/39
|
|
|
II
|
|
|
UN 2922 8/PG 2
|
|
|
2918990090
|
|
|
T; N
|
|
|
R24/25; R34; R51/53
|
HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives |
|
品名, 成分含量, 用途 |
|
2918990090. 其他含其他附加含氧基羧酸（包括酸酐、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:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
|
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
|
|
1.制法: 于装有搅拌器、温度计、滴液漏斗、回流冷凝器的反应瓶中,加入乙酰乙酸乙酯 | |
抗生素药中间体。 |
