Methyl isocyanoacetate
Also known as: Methyl 2-isocyanoacetate, Isocyanoacetic acid methyl ester, 2-Isocyanoacetic acid methyl ester, (2-Oxo-2-methoxyethyl) isocyanide, 2-Oxo-2-methoxyethyl isocyanide, Acetic acid, 2-isocyano-, methyl ester
Methyl isocyanoacetate (CAS 39687-95-1) 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 boiling point of 75-76 °C10 mm Hg(lit.), a density of 1.09 g/mL at 25 °C(lit.) and a flash point of 89.4 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 39687-95-1
- Jingsj CID
- J-20805-9
- Molecular Formula
- C4H5NO2
- Molecular Weight
- 99.088 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 75-76 °C10 mm Hg(lit.) |
|---|---|
| Density | 1.09 g/mL at 25 °C(lit.) |
| Flash Point | 89.4 °C |
| Exact Mass | 99.032028 |
| PSA | 26.30000 |
| Refractive Index | n20/D 1.417(lit.) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H314 — Causes severe skin burns and eye damage
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 isocyanoacetate?
The CAS number of Methyl isocyanoacetate is 39687-95-1.
What are the molecular formula and molecular weight of Methyl isocyanoacetate?
Methyl isocyanoacetate has molecular formula C4H5NO2 and molecular weight 99.088 g/mol.
Is Methyl isocyanoacetate hazardous?
Methyl isocyanoacetate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Methyl isocyanoacetate?
For Methyl isocyanoacetate, Upstream Products: Methyl 3-oxopropanoate, Methyl 2-formamidoacetate; Downstream Products: Methyl 5-methyloxazole-4-carboxylate, Indole-3-carboxaldehyde, methyl 4-methyl-1H-pyrrole-2-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. "Methyl isocyanoacetate (CAS 39687-95-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20805-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.