Methyl 3-aminopropanoate
Also known as: β-Alanine methyl ester, Methyl β-alaninate, 3-Aminopropanoic acid methyl ester, 3-Amino-propionic acid methyl ester, βAla-OMe, RARECHEM AL BW 0064, Methyl 3-aminopropionate
Methyl 3-aminopropanoate (CAS 4138-35-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO2 and a molecular weight of 103.120 g/mol. Key properties include a melting point of 103-104°C (lit.), a boiling point of 151.8±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 26.5±20.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4138-35-6
- Jingsj CID
- J-1385138-2
- Molecular Formula
- C4H9NO2
- Molecular Weight
- 103.120 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 103-104°C (lit.) |
|---|---|
| Boiling Point | 151.8±23.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 26.5±20.1 °C |
| Exact Mass | 103.063332 |
| PSA | 52.32000 |
| LogP | -0.40 |
| Vapor Pressure | 3.6±0.3 mmHg at 25°C |
| Refractive Index | 1.423 |
Customs & Trade Information
| HS Code | 2922499990 |
|---|---|
| Summary | HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methyl 3-aminopropanoate?
The CAS number of Methyl 3-aminopropanoate is 4138-35-6.
What are the molecular formula and molecular weight of Methyl 3-aminopropanoate?
Methyl 3-aminopropanoate has molecular formula C4H9NO2 and molecular weight 103.120 g/mol.
What are the upstream and downstream products of Methyl 3-aminopropanoate?
For Methyl 3-aminopropanoate, Upstream Products: Methyl 3-aminopropanoate hydrochloride, Methanol, beta-Alanine; Downstream Products: 3-Aminopropanamide, N-Benzoyl-beta-alanine Methyl Ester, 2-Azetidinone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 3-aminopropanoate (CAS 4138-35-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1385138-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.