Molekula
n-Pentane 99%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
n-Pentane 99% is a straight-chain aliphatic hydrocarbon solvent widely used in laboratory applications, calibration mixtures, and as a low-boiling point extraction agent. It serves as a reference standard in gas chromatography and as a component in aerosol propellants. CAS 109-66-0, molecular formula CH3(CH2)3CH3, molecular weight 72.15 g/mol, stored at ambient conditions. Hazard classification: Danger (highly flammable, aspiration hazard). Molekula supplies n-Pentane 99% from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 L — £68.00 per pack ex VAT · £81.60 inc. VAT
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2.5 L — £115.00 per pack ex VAT · £138.00 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear, colourless liquid |
| C1 % m/m | ≤0.1 |
| C2 % m/m | ≤0.1 |
| C3 % m/m | ≤0.1 |
| C4 % m/m | ≤0.1 |
| C5 % m/m | 100.0 |
| >C5 % m/m | ≤0.1 |
| Methane % m/m | ≤0.1 |
| ethane % m/m | ≤0.1 |
| Ethylene % m/m | ≤0.1 |
| Propane % m/m | ≤0.1 |
| Propene % m/m | ≤0.1 |
| i-butane % m/m | ≤0.1 |
| n-butane % m/m | ≤0.1 |
| i-butene % m/m | ≤0.1 |
| 1-butene % w/w | ≤0.1 |
| 2-butene-trans % m/m | ≤0.1 |
| 2-butene-cis % m/m | ≤0.1 |
| 1.3-butadiene % m/m | ≤0.1 |
| 2.2-dimethylpropane % m/m | ≤0.1 |
| i-Pentane % m/m | ≤1.0% |
| cyclopentane % m/m | ≤1.0% |
| n-pentane % m/m | ≥99.0% |
| Density at 15⁰C kg/m3 | 631.0-632.0 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -49 °C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Odour | Pleasant |
| Melting Point | -129.67 °C |
| Boiling Point | 36.06 °C |
| Density | 0.63 (relative, water = 1) |
| Water Solubility | 38 mg/L at 25 °C |
| Solubility (other solvents) | Miscible with ethanol, ethyl ether, acetone, benzene, chloroform; soluble in carbon tetrachloride |
| Vapour Pressure | 53.3 kPa at 18.5 °C |
| Refractive Index | 1.3575 |
| log P (octanol/water) | 3.39 |
Source: PubChem CID 8003 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90037203 |
| CAS Number | 109-66-0 |
| IUPAC Name | pentane |
| EC Number | 203-692-4 |
| Molecular Formula | CH3(CH2)3CH3 |
| Molecular Weight | 72.15 |
| Exact Mass | 72.0939 |
| SMILES | CCCCC |
| InChIKey | OFBQJSOFQDEBGM-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3 |
| PubChem CID | 8003 |
| UN Number | UN1265 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29011030 |
| Tariff Code | 2901100000 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- EUH066 Repeated exposure may cause skin dryness or cracking
- 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
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Amyl hydride
- Pentan
- PENTANE
- Pentanen
- Pentanes
- Pentani
- Skellysolve A
- Tetrafume
- Tetrakil
- Tetraspot
Frequently asked questions
What is n-Pentane 99% commonly used for?
n-Pentane 99% is primarily used as a solvent in laboratories, a blowing agent for foam production, and in calibration mixtures for gas chromatography.
What is the chemical formula and molecular weight of n-Pentane 99%?
The chemical formula is **CH₃(CH₂)₃CH₃** and the molecular weight is **72.15 g/mol**.
How should n-Pentane 99% be stored?
Store in a tightly sealed container at **ambient temperature**, away from ignition sources, oxidizing agents, and heat.
What grade of n-Pentane 99% does Molekula supply?
Molekula supplies **analytical reagent grade** n-Pentane 99% with a purity of ≥99.0%.
Can Molekula supply n-Pentane 99% in bulk quantities?
Yes, Molekula can supply n-Pentane 99% in bulk, with quantities available upon request.
What documentation comes with an order of n-Pentane 99%?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.