Ethyl (2Z)-3-amino-2-butenoate
Also known as: ETHYL 3-AMINOCROTONATE, 3-Amino-2-butenoic acid ethyl ester, Ethyl 3-aminobut-2-enoate, Ethyl β-aminocrotonate, (Z)-Ethyl 3-aminobut-2-enoate, (2Z)-3-Amino-2-butenoic acid ethyl ester, 3-AMINOCROTONIC ACID ETHYL ESTER, AURORA KA-7376, Crotonic acid, 3-amino-, ethyl ester, EINECS 230-782-0, MFCD02730138
Ethyl (2Z)-3-amino-2-butenoate (CAS 626-34-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H11NO2 and a molecular weight of 129.157 g/mol. Key properties include a melting point of 33-35ºC, a boiling point of 212.5±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 97.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 626-34-6
- Jingsj CID
- J-1992226-0
- Molecular Formula
- C6H11NO2
- Molecular Weight
- 129.157 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 33-35ºC |
|---|---|
| Boiling Point | 212.5±13.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 97.2±0.0 °C |
| Exact Mass | 129.078979 |
| PSA | 52.32000 |
| LogP | 0.39 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.459 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H335 — May cause respiratory 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 Ethyl (2Z)-3-amino-2-butenoate?
The CAS number of Ethyl (2Z)-3-amino-2-butenoate is 626-34-6.
What are the molecular formula and molecular weight of Ethyl (2Z)-3-amino-2-butenoate?
Ethyl (2Z)-3-amino-2-butenoate has molecular formula C6H11NO2 and molecular weight 129.157 g/mol.
Is Ethyl (2Z)-3-amino-2-butenoate hazardous?
Ethyl (2Z)-3-amino-2-butenoate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Ethyl (2Z)-3-amino-2-butenoate?
For Ethyl (2Z)-3-amino-2-butenoate, Upstream Products: Ethyl acetoacetate, 4-Methoxybenzaldehyde, Ethyl bromoacetate; Downstream Products: ethyl 2,4-dimethylpyridine-3-carboxylate, 3,5-Dimethyl-1H-pyrrole-2,4-dicarboxylic acid, Ethyl 5-amino-3-methylisothiazole-4-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl (2Z)-3-amino-2-butenoate (CAS 626-34-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992226-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.