Germany
BuGuCh & Partners
Product name:Methyl acetoacetate
Synonyms:3-OXBUTANOIC ACID METHYL ESTER;3-OXOBUTANOIC ACID METHYL ESTER;3-OXOBUTYRIC ACID METHYL ESTER;ACETYL METHYL ACETATE;ACETOACETIC ACID METHYL ESTER;ACETOACETIC ESTER (METHYL);ACM;MAA
CAS:105-45-3
Formula:C5H8O3
Molecular weight:116.12
Melting point:-28 °C
Boling point:169-170 °C70 mm Hg(lit.)
Density:1.077
Index of refraction:n20/D 1.419(lit.)
Flash point:158 °F
Storage:2-8°C
Solubility:460 g/L (20°C)
Water solubility:460 g/L (20 ºC)
Merck:14,6009
BRN:506727
Chemical properties: Colorless transparent oily liquid with a fragrant, mp-80 ℃, bp169 ~ 1 70 ℃, n20D 1.4190, the relative density of 1.076, fp158 ℉ (70 ℃), soluble in water, soluble in most organic solvents, flammable.
Storage:
Note that the lid sealed. Stored in a cool ventilated place. Fire. Delivered as flammable toxic chemicals provides.
Usage:
1. acetoacetate fungicides hymexazol, dimethyl ethyl phenol, ethyl acetate, phenol, pesticides diazinon, coumaphos, pyrimidine oxychloride, herbicide imazethapyr, rodenticides warfarin ether, warfarin Ling intermediates.
2. The cellulose ether used as a solvent and a resin mixed cellulose component of the solvent, also used in pesticides, pharmaceuticals, dyes, polymer stabilizers in organic synthesis.
3. For the pharmaceutical industry
4. Organic Synthesis. Solvent.
Brief manufacture process:
The preparation method is similar to the preparation of ethyl acetoacetate, diketene with sulfuric acid and methanol in the catalytic reaction from crude via distillation products.