3-OXO-PROPIONIC ACID ETHYL ESTER-Shandong Huashang Chemical Co., Ltd.

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3-OXO-PROPIONIC ACID ETHYL ESTER

Brand：HS

Model：25kg/drum

Purity：99%

Cas：34780-29-5

Createtime： 2026-04-14
Updatetime： 2026-04-15

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Product Details

useage	Industrial use
deliveryInfo
appearance	liquid
Molecular Weight	116.12
aliasen
supplyCapacity	50000MT/Month
harbor	Qingdao,China
minorder	1KG
Appearance	Colorless to pale yellow transparent liquid

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

Product Name: 3-OXO-PROPIONIC ACID ETHYL ESTER

Alias: Ethyl 3-oxopropanoate; Ethyl 3-oxopropionate; Ethyl formylacetate; α-Formylacetic acid ethyl ester; 3-Oxo-propionic acid ethyl ester; 3-Oxo-propionic acid ethyl ester sodium salt; Propanoic acid, 3-oxo-, ethyl ester; 3-OXO-PROPIONICACIDETHYLESTERNasaltforM

CAS No.: 34780-29-5

EINECS No.: 202-110-6

Molecular Formula: C?H?O?

Molecular Weight: 116.12 g/mol

Classification: Organic intermediate, pharmaceutical intermediate, fine chemical, intermediate, organic oxygen compound

Physical & Chemical Properties

Appearance: Colorless to pale yellow transparent liquid, with no obvious peculiar odor; may exist in sodium salt form (white solid) in some specifications

Density: 1.037±0.06 g/cm3 (predicted), 1.038 g/cm3 (actual measurement)

Melting Point: 95 °C (lit.)

Boiling Point: 148.8 ± 23.0 °C at 760 mmHg (predicted); 188-190 °C at 14 Torr (lit.)

Vapor Pressure: 4.2 ± 0.3 mmHg at 25 °C

Refractive Index: 1.401

Solubility: Slightly soluble in water; soluble in ethanol, acetone, ethyl acetate, toluene and other common organic solvents; compatible with most organic reaction media

Purity: ≥95.0% (HPLC), ≥98.0% available for high-purity grade; 95+% available for sodium salt form

Storage Condition: Sealed, dry and cool place; recommended storage at 2-8 °C for long-term preservation; avoid high temperature, open flame, strong oxidants and incompatible substances; keep container tightly closed, prevent leakage

Main Uses

Pharmaceutical Field: As an important pharmaceutical intermediate, it is a key raw material for synthesizing 3-N,N-dimethylaminoacrylic acid ethyl ester, which is further used in the production of quinolone antibiotics (broad-spectrum, high-efficiency antibacterial drugs widely used in clinical practice). It can also be used in the synthesis of other pharmaceutical intermediates and biologically active compounds.
Organic Synthesis Field: Important building block for organic synthesis reactions, used in the preparation of downstream derivatives such as ethyl 2-formylpropionate. It can undergo condensation, substitution and other reactions under appropriate conditions, and is widely used in the synthesis of heterocyclic compounds and fine chemicals.
Other Fields: Used as an intermediate in the synthesis of fine chemicals, and can be used to prepare organic compounds such as 2-chloropyrimidine-5-carboxylic acid ethyl ester under specific reaction conditions. It is also applied in the research and development of new synthetic routes and the production of custom chemical reagents.

Specification Table

Item	Specification	Unit	Remarks
Product Name	3-OXO-PROPIONIC ACID ETHYL ESTER	—
CAS Number	34780-29-5	—	EINECS: 202-110-6
Molecular Formula	C?H?O?	—	Organic oxygen compound (ester derivative)
Molecular Weight	116.12	g/mol
Appearance	Colorless to pale yellow transparent liquid	—	Sodium salt form is white solid
Purity	≥95.0 (≥98.0 available)	%	HPLC; 95+% for sodium salt form
Melting Point	95	℃	lit.
Solubility	Slightly soluble in water, soluble in ethanol, acetone	—	Compatible with most organic solvents