5-Methylisoxazole-3-carboxaldehyde
Also known as: 5-Methylisoxazole-3-carbaldehyde, 5-Methyl-3-isoxazolecarboxaldehyde, 5-Methyl-1,2-oxazole-3-carbaldehyde, 5-Methyl-1,2-oxazole-3-carboxaldehyde, 3-Formyl-5-methylisoxazole, 5-Methyl-3-isoxazolcarbaldehyd, 5-Methylisoxazole-3-carboxaldehyde97%, 5-methy-3-isoxazolecarboxaldehyde, 5-methyl-3-formyl-isoxazole, 5-methyl-isoxazol-3-carboxaldehyde, MFCD06797459
5-Methylisoxazole-3-carboxaldehyde (CAS 62254-74-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H5NO2 and a molecular weight of 111.09900 g/mol. Key properties include a melting point of 31-33ºC, a boiling point of 222.918ºC at 760 mmHg, a density of 1.19 g/cm3 and a flash point of 56 °C. It is classified under GHS with signal word Warning and hazard statements H228 and H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 62254-74-4
- Jingsj CID
- J-8670-4
- Molecular Formula
- C5H5NO2
- Molecular Weight
- 111.09900 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 31-33ºC |
|---|---|
| Boiling Point | 222.918ºC at 760 mmHg |
| Density | 1.19 g/cm3 |
| Flash Point | 56 °C |
| Exact Mass | 111.03200 |
| PSA | 43.10000 |
| LogP | 0.79550 |
| Refractive Index | 1.516 |
GHS Safety & Compliance
- H228
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Methylisoxazole-3-carboxaldehyde?
The CAS number of 5-Methylisoxazole-3-carboxaldehyde is 62254-74-4.
What are the molecular formula and molecular weight of 5-Methylisoxazole-3-carboxaldehyde?
5-Methylisoxazole-3-carboxaldehyde has molecular formula C5H5NO2 and molecular weight 111.09900 g/mol.
Is 5-Methylisoxazole-3-carboxaldehyde hazardous?
5-Methylisoxazole-3-carboxaldehyde has GHS signal word Warning and hazard statements H228; H302 — Harmful if swallowed.
What are the upstream and downstream products of 5-Methylisoxazole-3-carboxaldehyde?
For 5-Methylisoxazole-3-carboxaldehyde, Upstream Products: Methyl 5-methylisoxazole-3-carboxylate, (5-Methylisoxazol-3-yl)methanol, Ethyl 5-methylisoxazole-3-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. "5-Methylisoxazole-3-carboxaldehyde (CAS 62254-74-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8670-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.