Pentane (CAS 109-66-0)

Pentane (CAS 109-66-0) is a chemical compound registered under number CAS 109-66-0, with the molecular formula C₅H₁₂, and a molar mass of 72.15 g/mol.

The molecule contains 17 atoms connected by 16 chemical bonds. The full systematic IUPAC name of this compound is pentane. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = 3.4 (positive value, a lipophilic compound), polar surface area PSA = 0 Ų, 0 donors and 0 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Signal word: Danger

H225 — Highly flammable liquid and vapour

H304 — May be fatal if swallowed and enters airways

H336 — May cause drowsiness or dizziness

H411 — Toxic to aquatic life with long lasting effects

EUH066 — Repeated exposure may cause skin dryness or cracking.

• 📊 PubChem CID 8003 — NIH
• 🔬 NIST WebBook — spectroscopy
• 🌐 Wikidata
• 💊 ChEMBL — bioactivity