Methyl cyanoacetate
Also known as: methyl 2-cyanoacetate, 2-cyanoacetic acid methyl ester, Cyanoacetic acid methyl ester, Methyl cyanoethanoate, Methylcyanoacetate, methyl cyanoethanoate, Methylester kyseliny kyanoctove, Tofacitinib Impurity 198, Pemetrexed disodium Impurity 12, NCCH2CO2CH3, 2-cyanopropanoate
Methyl cyanoacetate (CAS 105-34-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5NO2 and a molecular weight of 99.088 g/mol. Key properties include a melting point of -13 °C, a boiling point of 208.0±8.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 86.5±5.2 °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.
- 105-34-0
- Jingsj CID
- J-44828-2
- Molecular Formula
- C4H5NO2
- Molecular Weight
- 99.088 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -13 °C |
|---|---|
| Boiling Point | 208.0±8.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 86.5±5.2 °C |
| Exact Mass | 99.032028 |
| PSA | 50.09000 |
| LogP | -0.47 |
| Additional Property | 3.41 (vs air) |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.402 |
| Additional Property | 54 g/L (20 ºC) |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methyl cyanoacetate?
The CAS number of Methyl cyanoacetate is 105-34-0.
What are the molecular formula and molecular weight of Methyl cyanoacetate?
Methyl cyanoacetate has molecular formula C4H5NO2 and molecular weight 99.088 g/mol.
Is Methyl cyanoacetate hazardous?
Methyl cyanoacetate has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of Methyl cyanoacetate?
For Methyl cyanoacetate, Upstream Products: 3-Methoxypropionitrile, Methanol, Cyanoacetic acid; Downstream Products: methyl 2-amino-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate hydrochloride, Methyl 2-(5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)acetate, methyl 3-acetamidopropanoate.
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 cyanoacetate (CAS 105-34-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44828-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.