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Molekula

Molekula

n-Pentane 99% for HPLC

SKU 90036679 CAS 109-66-0 CH3(CH2)3CH3 MW 72.15 Made to order Bulk quantities on request

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% for HPLC is a high-purity linear alkane solvent primarily used as a mobile phase in high-performance liquid chromatography (HPLC) and as a reference standard in analytical chemistry. It ensures minimal interference in chromatographic separations due to its ultra-low impurity profile. CAS 109-66-0, molecular formula CH3(CH2)3CH3, molecular weight 72.15 g/mol. Store at ambient conditions. Hazard classification: Signal word *Danger* (flammable liquid, aspiration hazard). Molekula supplies n-Pentane 99% for HPLC from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

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Specifications

Property Value
Appearance clear colourless liquid
Purity 99% min

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 90036679
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

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08
  • GHS pictogram — Hazardous to the Environment 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% for HPLC primarily used for?

This high-purity n-pentane is used as a solvent in high-performance liquid chromatography (HPLC) for analytical separations, particularly in normal-phase systems where low UV absorbance and high purity are critical. It is also used as an extraction and spectroscopy solvent.

What is the molecular formula and molecular weight of n-Pentane 99% for HPLC?

The molecular formula is **CH₃(CH₂)₃CH₃** (C₅H₁₂), and the molecular weight is **72.15 g/mol**.

How should n-Pentane 99% for HPLC be stored?

Store in a tightly sealed container at **ambient temperature**, away from ignition sources, as it is highly flammable (Signal Word: **Danger**).

What grade of n-Pentane is this, and is it suitable for sensitive applications?

This is **HPLC-grade n-pentane**, meeting stringent purity requirements for chromatographic applications, including low UV cutoff (<195 nm) and minimal impurities.

Can Molekula supply n-Pentane 99% for HPLC in bulk quantities?

Yes, Molekula can provide n-Pentane 99% for HPLC in bulk, with packaging options including drums, IBCs, or custom solutions—please contact us for specific volume requirements.

What documentation is provided with an order of n-Pentane 99% for HPLC?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation verifying HPLC-grade purity and compliance with specifications.

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