3-Methylpentane
3-Methylpentane (CAS: 96-14-0) is an acyclic alkane with the linear formula (CH3CH2)2CH2CH3 and a molecular weight of 86.18 g/mol. It is a volatile, flammable liquid primarily used as a building block in chemical synthesis and organic chemistry. Its properties make it a component in specific solvent applications and research settings requiring a hydrocarbon of this structure.
- Synonyms
- sec-Butyl ethyl methaneDiethylmethylmethaneEthyl isopropyl ethaneTriethylmethane

Chemical Synthesis
3-Methylpentane serves as a valuable building block in organic synthesis. It can be incorporated into larger molecules or used as a reactant in various chemical transformations.
Laboratory Reagent
As a defined alkane, it functions as a reagent or standard in analytical chemistry and laboratory research. Its purity is suitable for precise experimental procedures.
Solvent Applications
While not a primary solvent, its hydrocarbon nature lends it to niche applications where a non-polar organic liquid is required for dissolution or extraction processes.
| Molecular weight | 86.18 |
|---|---|
| Linear formula | (CH3CH2)2CH2CH3 |
| Assay | ≥99% |
| Boiling point | 64 °C(lit.) |
| Density | 0.664 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.376(lit.) |
| Vapour pressure | 135 mmHg (17 °C) |
| Vapour density | 2.97 (vs air) |
| Autoignition temp | 532 °F |




Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H336May cause drowsiness or dizziness
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -7 °C / 19.4 °F |
| Transport (UN / ADR) | UN 1208 3 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F,Xn,N |
| Risk statements (R) | 11-38-51/53-65-67 |
| Safety statements (S) | 9-16-29-33-61-62 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Methylpentane used for?
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3-Methylpentane is primarily used as a building block in chemical synthesis and as a laboratory reagent in organic chemistry and analytical research.
What is the CAS number and formula for 3-Methylpentane?
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The CAS number for 3-Methylpentane is 96-14-0, and its linear formula is (CH3CH2)2CH2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methylpentane with an assay of ≥99% purity. We do not represent this product as USP, BP, or EP grade.
How should 3-Methylpentane be handled safely?
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3-Methylpentane is highly flammable (H225) and may cause drowsiness or dizziness (H336). It is also harmful if swallowed and enters airways (H304), causes skin irritation (H315), and is toxic to aquatic life with long lasting effects (H411). Handle with appropriate personal protective equipment in a well-ventilated area, away from ignition sources. Consult the Safety Data Sheet for comprehensive guidance.
Is 3-Methylpentane regulated or controlled?
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Based on the provided data, 3-Methylpentane (CAS: 96-14-0) is not indicated as a controlled or scheduled substance.
How is 3-Methylpentane packaged and exported?
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3-Methylpentane is shipped according to relevant transport regulations, including UN 1208, Class 3, Packing Group II. TSS exports fine chemicals globally, adhering to international shipping standards.
How can I request a sample or quote for 3-Methylpentane?
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To request a sample or a quote for 3-Methylpentane, please contact our sales department through the website or by phone, providing your specific requirements.
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