2-Pentanone
Also known as: Methyl propyl ketone, Pentan-2-one, MPK, n-propyl methyl ketone, methyl n-propyl ketone, FEMA 2842
2-Pentanone (CAS 107-87-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H10O and a molecular weight of 86.132 g/mol. Key properties include a melting point of -78 °C, a boiling point of 102.7±3.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 7.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 107-87-9
- Jingsj CID
- J-1333672-5
- Molecular Formula
- C5H10O
- Molecular Weight
- 86.132 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -78 °C |
|---|---|
| Boiling Point | 102.7±3.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 7.2±0.0 °C |
| Exact Mass | 86.073166 |
| PSA | 17.07000 |
| LogP | 0.90 |
| Vapor Pressure | 38.6±0.2 mmHg at 25°C |
| Refractive Index | 1.383 |
| Additional Property | 43 g/L (20 ºC) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2914190090 |
|---|---|
| Summary | 2914190090 other acyclic ketones 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-Pentanone?
The CAS number of 2-Pentanone is 107-87-9.
What are the molecular formula and molecular weight of 2-Pentanone?
2-Pentanone has molecular formula C5H10O and molecular weight 86.132 g/mol.
Is 2-Pentanone hazardous?
2-Pentanone has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Pentanone?
For 2-Pentanone, Upstream Products: 3-Penten-2-ol, 3-Penten-2-one, 2-Pentanol; Downstream Products: (2S)-2-Pentanol, (R)-(-)-2-Pentanol, 2,4,6-Triphenylpyrylium chloride.
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-Pentanone (CAS 107-87-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1333672-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.