2-Acetamidoacrylic acid
Also known as: N-Acetyldehydroalanine, Acetyl-dehydroalanine, 2-(Acetylamino)-2-propenoic acid, 2-(acetylamino)prop-2-enoic acid, N-Acetamidoacrylic acid, AC-DEHYDRO-ALA-OH, NSC 14171, Ac-DL-Dha-OH, 2-Acetamidoprop-2-enoic acid
2-Acetamidoacrylic acid (CAS 5429-56-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7NO3 and a molecular weight of 129.114 g/mol. Key properties include a melting point of 185-186 °C (dec.)(lit.), a boiling point of 418.5±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 206.9±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5429-56-1
- Jingsj CID
- J-1524669-2
- Molecular Formula
- C5H7NO3
- Molecular Weight
- 129.114 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 185-186 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 418.5±37.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 206.9±26.5 °C |
| Exact Mass | 129.042587 |
| PSA | 66.40000 |
| LogP | -0.26 |
| Vapor Pressure | 0.0±2.1 mmHg at 25°C |
| Refractive Index | 1.475 |
| Additional Property | hardly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2924199090 |
|---|---|
| Summary | 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Acetamidoacrylic acid?
The CAS number of 2-Acetamidoacrylic acid is 5429-56-1.
What are the molecular formula and molecular weight of 2-Acetamidoacrylic acid?
2-Acetamidoacrylic acid has molecular formula C5H7NO3 and molecular weight 129.114 g/mol.
Is 2-Acetamidoacrylic acid hazardous?
2-Acetamidoacrylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-Acetamidoacrylic acid?
For 2-Acetamidoacrylic acid, Upstream Products: Acetamide, Pyruvic acid, N-Acetyl-DL-aspartic acid; Downstream Products: L-Cystathionine, N-Acetyl-L-alanine methyl ester, N-Acetyl-D-alanine methyl ester.
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-Acetamidoacrylic acid (CAS 5429-56-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524669-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.