2,3-Diaminobutyric acid
Also known as: 2,3-Diaminobutyric acid, 2,3-Diaminobutanoic acid, Butanoic acid, 2,3-diamino-, alpha,beta-Diaminobutyric acid, 2,3-Diamino-buttersaeure, 2,3-Diamino-Butanoic Acid
2,3-Diaminobutyric acid (CAS 2643-66-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H10N2O2 and a molecular weight of 118.134 g/mol. Key properties include a boiling point of 293.4±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 131.2±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2643-66-5
- Jingsj CID
- J-1523912-0
- Molecular Formula
- C4H10N2O2
- Molecular Weight
- 118.134 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 293.4±30.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 131.2±24.6 °C |
| Exact Mass | 118.074226 |
| PSA | 89.34000 |
| LogP | -1.39 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.511 |
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 2,3-Diaminobutyric acid?
The CAS number of 2,3-Diaminobutyric acid is 2643-66-5.
What are the molecular formula and molecular weight of 2,3-Diaminobutyric acid?
2,3-Diaminobutyric acid has molecular formula C4H10N2O2 and molecular weight 118.134 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Diaminobutyric acid (CAS 2643-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523912-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.