(S)-3-Aminobutanoic acid
Also known as: (S)-3-Aminobutyric acid, L-3-Aminobutyric acid, (3S)-3-Aminobutanoic acid, (S)-3-Methyl-β-alanine, (S)-beta-homoalanine, Butanoic acid, 3-amino-, (3S)-
(S)-3-Aminobutanoic acid (CAS 3775-72-2) 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 229-231°C, a boiling point of 223.6±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 89.0±22.6 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3775-72-2
- Jingsj CID
- J-1356028-6
- 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 | 229-231°C |
|---|---|
| Boiling Point | 223.6±23.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 89.0±22.6 °C |
| Exact Mass | 103.063332 |
| PSA | 63.32000 |
| LogP | -0.51 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.462 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
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 (S)-3-Aminobutanoic acid?
The CAS number of (S)-3-Aminobutanoic acid is 3775-72-2.
What are the molecular formula and molecular weight of (S)-3-Aminobutanoic acid?
(S)-3-Aminobutanoic acid has molecular formula C4H9NO2 and molecular weight 103.120 g/mol.
Is (S)-3-Aminobutanoic acid hazardous?
(S)-3-Aminobutanoic acid has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of (S)-3-Aminobutanoic acid?
For (S)-3-Aminobutanoic acid, Upstream Products: tert-Butyl (3S)-3-aminobutanoate, Boc-L-β-homoalanine, (S)-3-(((Benzyloxy)carbonyl)amino)butanoic acid; Downstream Products: (S)-3-(((Benzyloxy)carbonyl)amino)butanoic acid, Boc-L-β-homoalanine, (S)-3-(Phenylamino)butanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-3-Aminobutanoic acid (CAS 3775-72-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356028-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.