Isopropylacetoacetate with CAS 542-08-5

CAS:542-08-5
Molecular Formula:C7H12O3
Molecular Weight:144.17
EINECS:208-798-4

Synonyms:3-oxo-butanoicaci1-methylethylester; 3-Oxobutansαure-1-methylethylester;3-Oxo-butyricacidisopropylester; Acetoaceticacid,isopropylester; acetoaceticacidisopropylester; Butanoicacid,3-oxo-,1-methylethylester; 3-oxobutanoic acid propan-2-yl ester; Isopropyl3-oxobutanoate; Isopropyl3-oxobutyrate

Isopropylacetoacetate with CAS 542-08-5
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what is of  Isopropylacetoacetate with CAS 542-08-5?

In a 500ml flask equipped with a stirrer, thermometer, and reflux condenser, 150g (2.5mol) of isopropanol and 0.36g of triethylamine were added. 210g (2.5mol) of diethylene ketone was added dropwise at room temperature. The reaction temperature was controlled at 70 ℃ during the process, and the dropwise addition was completed. The temperature was kept at 70 ℃ for 6 hours to complete the reaction. The crude ester was subjected to negative pressure distillation to obtain the final product Isopropyl acetoacetate 343g, with a yield of 95.2% and a content of 99.3%.

Specification

Items

Result

Appearance

Liquid

Content

99.0%min

Moisture

<0.04%

Heavy Metals

<0.002%

Boiling point

95 °C52 hPa

Melting point

-27°C

Refractive index

n20/D 1.418

Application

Isopropyl acetoacetate is used as an intermediate for the manufacturing of agrochemicals and pharmaceutical products such as isradipine.

Packing

Usually packed in 25kg/drum,and also can be do customized package.

Isopropylacetoacetate with  CAS 542-08-5 pack

Isopropylacetoacetate with CAS 542-08-5
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