ethyl 3-isocyanatopropionate
Also known as: ethyl 3-isocyanatopropanoate, ETHYL 3-ISOCYANATOPROPIONATE, Ethyl 3-isocyanatopropionate 98%, 3-isocyanatopropanoic acid ethyl ester, 3-Isocyanatopropionicacidethylester, ethyl N-(oxomethylene)-beta-alaninate, MFCD00078461
ethyl 3-isocyanatopropionate (CAS 5100-34-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H9NO3 and a molecular weight of 143.14100 g/mol. Key properties include a boiling point of 191.3ºC at 760 mmHg 68ºC (2 mmHg), a density of 1.087 and a flash point of 76.3ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5100-34-5
- Jingsj CID
- J-40875-3
- Molecular Formula
- C6H9NO3
- Molecular Weight
- 143.14100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 191.3ºC at 760 mmHg 68ºC (2 mmHg) |
|---|---|
| Density | 1.087 |
| Flash Point | 76.3ºC |
| Exact Mass | 143.05800 |
| PSA | 55.73000 |
| LogP | 0.27540 |
| Refractive Index | 1.4275-1.4295 |
| Additional Property | Not miscible with water. |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2929109000 |
|---|---|
| Summary | 2929109000. other isocyanates. 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 ethyl 3-isocyanatopropionate?
The CAS number of ethyl 3-isocyanatopropionate is 5100-34-5.
What are the molecular formula and molecular weight of ethyl 3-isocyanatopropionate?
ethyl 3-isocyanatopropionate has molecular formula C6H9NO3 and molecular weight 143.14100 g/mol.
Is ethyl 3-isocyanatopropionate hazardous?
ethyl 3-isocyanatopropionate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of ethyl 3-isocyanatopropionate?
For ethyl 3-isocyanatopropionate, Upstream Products: β-Alanine ethyl ester hydrochloride, Ethyl 3-aminopropanoate, Diphosgene.
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 3-isocyanatopropionate (CAS 5100-34-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40875-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.