Pentane
Also known as: ALKANE C5, EINECS 203-692-4, MFCD00009498, N-PENTAN, N-PENTAN FüR DIE HPLC, N-PENTANE, N-PENTANE-D1, NORMAL PENTANE, PENTANE, PENTANE FRACTION, PENTANE, (MIXED ISOMERS), PENTANE, N-: CP, GLASS DISTILLED, HPLC/UV, PENTANE, REAGENT, PENTANE,(MIXEDISOMERS), PENTANE-195, PETANE, PETROLEUM SPIRIT 30/40, Pentan, Pentani, n-C5H12
Pentane (CAS 109-66-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H12 and a molecular weight of 72.149 g/mol. Key properties include a melting point of -130ºC, a boiling point of 35.2±3.0 °C at 760 mmHg, a density of 0.6±0.1 g/cm3 and a flash point of -49.4±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 109-66-0
- Jingsj CID
- J-1343940-4
- Molecular Formula
- C5H12
- Molecular Weight
- 72.149 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -130ºC |
|---|---|
| Boiling Point | 35.2±3.0 °C at 760 mmHg |
| Density | 0.6±0.1 g/cm3 |
| Flash Point | -49.4±0.0 °C |
| Exact Mass | 72.093903 |
| LogP | 3.41 |
| Additional Property | 2.48 (vs air) |
| Vapor Pressure | 526.7±0.0 mmHg at 25°C |
| Refractive Index | 1.371 |
| Additional Property | insoluble |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Pentane?
The CAS number of Pentane is 109-66-0.
What are the molecular formula and molecular weight of Pentane?
Pentane has molecular formula C5H12 and molecular weight 72.149 g/mol.
Is Pentane hazardous?
Pentane has GHS signal word Danger.
What are the upstream and downstream products of Pentane?
For Pentane, Upstream Products: Pent-1-yne, Carbon tetrachloride, Ethylmagnesium chloride; Downstream Products: (2S)-2-Pentanol, (R)-(-)-2-Pentanol, 1-Pentanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pentane (CAS 109-66-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1343940-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.