2-Methylvaleraldehyde
Also known as: Methyl Valeraldehyde, 2-Methylpentanal, 2-Methyl-1-pentanal, 2-Formylpentane, α-Methylvaleraldehyde, 2-Methylpentaldehyde, 2-Methylvaleraldehyde (alternate)
2-Methylvaleraldehyde (CAS 123-15-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H12O and a molecular weight of 100.159 g/mol. Key properties include a melting point of -60ºC, a boiling point of 118.1±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 16.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 123-15-9
- Jingsj CID
- J-1510727-4
- Molecular Formula
- C6H12O
- Molecular Weight
- 100.159 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -60ºC |
|---|---|
| Boiling Point | 118.1±8.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 16.7±0.0 °C |
| Exact Mass | 100.088814 |
| PSA | 17.07000 |
| LogP | 1.78 |
| Additional Property | 3.45 (vs air) |
| Vapor Pressure | 16.9±0.2 mmHg at 25°C |
| Refractive Index | 1.394 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2912190090 |
|---|---|
| Summary | 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Methylvaleraldehyde?
The CAS number of 2-Methylvaleraldehyde is 123-15-9.
What are the molecular formula and molecular weight of 2-Methylvaleraldehyde?
2-Methylvaleraldehyde has molecular formula C6H12O and molecular weight 100.159 g/mol.
Is 2-Methylvaleraldehyde hazardous?
2-Methylvaleraldehyde has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Methylvaleraldehyde?
For 2-Methylvaleraldehyde, Upstream Products: Pent-1-ene, 2-Methylpentanoic acid, 2-Methyl-1-pentanol; Downstream Products: 4-Methyl-5-nonanone, 2-Methylpentyl 2-methylpentanoate, Ethyl 2-methylpentanoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methylvaleraldehyde (CAS 123-15-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510727-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.