(E)-3-Methyl-4-oxo-2-butenoic Acid Ethyl Ester

(E)-3-Methyl-4-oxo-2-butenoic Acid Ethyl Ester - Names and Identifiers

Name	ethyl 3-methyl-4-oxocrotonate
Synonyms	ethyl trans-γ-oxosenecioate ethyl 3-methyl-4-oxocrotonate ETHYL 3-METHYL-4-OXOCROTONATE ETHYL TRANS-GAMMA-OXOSENECIOATE Ethyl (2E)-3-Methyl-4-oxobut-2-enoate ETHYL TRANS-3-METHYL-4-OXO-2-BUTENOATE 3-Methyl-fuMaraldehydic Acid Ethyl Ester (E)-3-Methyl-4-oxo-2-butenoic Acid Ethyl Ester Ethyl trans-γ-oxosenecioate, Ethyl trans-3-methyl-4-oxo-2-butenoate
CAS	62054-49-3
EINECS	690-663-8

(E)-3-Methyl-4-oxo-2-butenoic Acid Ethyl Ester - Physico-chemical Properties

Molecular Formula	C7H10O3
Molar Mass	142.15
Density	1.044g/mLat 20°C(lit.)
Boling Point	195-202°C(lit.)
Flash Point	109°C
Solubility	Chloroform, Ether, Ethyl Acetate, Methanol
Appearance	Oil
Color	Clear Colourless to Light Yellow
BRN	1704098
Storage Condition	2-8°C
Refractive Index	n20/D 1.461

(E)-3-Methyl-4-oxo-2-butenoic Acid Ethyl Ester - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	3
FLUKA BRAND F CODES	10

(E)-3-Methyl-4-oxo-2-butenoic Acid Ethyl Ester - Introduction

Ethyl 3-methyl-4-oxocrotonate is an organic compound with the chemical formula C7H10O3. It is a colorless liquid with the property of being soluble in organic solvents such as water, alcohol and ether.

ethyl 3-methyl-4-oxocrotonate is commonly used in organic synthesis as an important intermediate. It can be obtained by first preparing sodium 3-formyl-2-butenoate and then reacting it with ethyl acetate. Its synthesis reaction has a high yield, so it is widely used in the synthesis of other organic compounds, such as drugs, pesticides, dyes and so on.

However, ethyl 3-methyl-4-oxocrotonate has certain security risks. It is irritating and corrosive and has an irritating effect on the eyes, skin and respiratory tract. Protective measures should be taken to avoid inhalation or contact with skin. Wear protective glasses, gloves and protective clothing during use, and ensure that the operation is carried out in a well-ventilated place.

To sum up, ethyl 3-methyl-4-oxocrotonate is an organic compound, commonly used as an intermediate in organic synthesis, which is irritating and corrosive, and corresponding safety measures should be taken when using it.

Last Update：2024-04-09 21:32:42