Description

Butanedioic acid, 1-ethyl ester (CAS No. 1070-34-4), also known as monoethyl succinate, is a high-purity ester derivative of succinic acid widely utilized in pharmaceutical synthesis, organic chemistry research, and specialty chemical manufacturing. This compound, with the molecular formula C₆H₁₀O₄, serves as a versatile intermediate for producing fine chemicals, biodegradable polymers, and flavor/fragrance compounds. Our rigorously tested product meets industry standards (>90% purity) and is supplied in sealed containers under inert gas to ensure stability. Ideal for controlled esterification reactions, it features a carboxyl group and ethoxy carbonyl functionality for selective modifications. Researchers value its role in metabolic pathway studies (e.g., TCA cycle analogs) and green chemistry applications. Available in 1g to 10kg quantities with GC-MS/HPLC certification.

Properties

• CAS Number: 1070-34-4
• Complexity: 130
• IUPAC Name: 4-ethoxy-4-oxo-butanoic acid
• InChI: InChI=1S/C6H10O4/c1-2-10-6(9)4-3-5(7)8/h2-4H2,1H3,(H,7,8)
• InChI Key: LOLKAJARZKDJTD-UHFFFAOYSA-N
• Exact Mass: 146.05790880
• Molecular Formula: C6H10O4
• Molecular Weight: 146.14
• SMILES: CCOC(=O)CCC(=O)O
• Topological: 63.6
• Monoisotopic Mass: 146.05790880
• Synonyms: monoethyl succinate, Ethyl hydrogen succinate, Butanedioic acid, 1-ethyl ester, Butanedioic acid, monoethyl ester, succinic acid monoethyl ester, EINECS 213-973-3, AI3-06253, DTXSID30870834, DTXCID40818520, 213-973-3, 4-Ethoxy-4-oxobutanoic acid, 1070-34-4, mono-Ethyl succinate, 4-Ethoxy-4-oxobutyric Acid, MFCD00053346, 4-ethoxy-4-oxobutanoate, mono-ethylsuccinate, 9J3, Monoethyl butanedioate, Bernsteinsaureathylester, succinic acid ethyl ester, mono-Ethyl succinate, 90%, 4-ethoxy-4-oxo-butyric acid, SCHEMBL262913, SCHEMBL835054, SCHEMBL4555689, SCHEMBL9013015, 4-Ethoxy-4-oxobutanoic acid #, SCHEMBL15283301, 3-(ethoxycarbonyl)propanoic acid, CHEBI:88827, SBB065978, AKOS000119570, CS-W013313, FM72421, Ethyl hydrogen succinate;Butanedioic acid, AS-15222, SY058510, NS00041908, EN300-17161, O11227, Q27160807, Z56896764

Monoethyl succinate is primarily employed as a building block for synthesizing biodegradable polyesters like PBS (polybutylene succinate). In pharmaceuticals, it acts as a prodrug intermediate for enhanced drug solubility. The compound also serves as a model substrate for studying enzyme kinetics in esterase and lipase research. Its bifunctional reactivity makes it valuable for creating cross-linked polymers in material science.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (50%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H318 (50%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H334 (50%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P233, P260, P261, P264, P264+P265, P270, P271, P272, P280, P284, P301+P317, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P330, P332+P317, P333+P317, P337+P317, P342+P316, P362+P364, P403, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)
• Skin Irrit. 2 (100%)
• Skin Sens. 1 (50%)
• Eye Dam. 1 (50%)
• Eye Irrit. 2 (100%)
• Resp. Sens. 1 (50%)
• STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.