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Molekula

Molekula

N-Octane

SKU 89967151 CAS 111-65-9 C8H18 MW 114.23 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-Octane is a saturated hydrocarbon used as a solvent in laboratory and industrial applications and as a hydrocarbon reference standard in gas chromatography. It also serves as a chemical raw material for organic synthesis, a lacquer diluent, a carrier solvent in polymer manufacturing, and a blending component for high-compression engine fuels. It is a clear, colorless liquid with a molecular formula of C8H18, a molecular weight of 114.23 g/mol, and a CAS number of 111-65-9. Store at ambient temperature. Hazard classification includes the signal word Danger. Molekula supplies N-Octane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

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

Pricing & pack sizes

Pack sizes & pricing

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.

  • 100 g — $58.70 per pack

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Specifications

Property Value
Appearance Colourless transparent liquid
Density 0.702 - 0.712g/ml
Assay ≥ 95.0%
Distillation 124 - 127°C
Identification (RAMAN) Conforms to Reference

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 13 °C
Transport Class 3
Packing Group II
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Colorless liquid
Odour Gasoline-like
Melting Point -56.73 °C
Boiling Point 125.62 °C
Density 0.70 (relative, water = 1)
Water Solubility 0.66 mg/L at 25 °C
Solubility (other solvents) Soluble in ethyl ether; miscible with ethanol, acetone, benzene
Vapour Pressure 1.33 kPa at 20 °C
Refractive Index 1.3944
log P (octanol/water) 5.18

Source: PubChem CID 356 (HSDB, ICSC)

Identification

Property Value
SKU 89967151
CAS Number 111-65-9
IUPAC Name octane
EC Number 203-892-1
Molecular Formula C8H18
Molecular Weight 114.23
Exact Mass 114.1409
SMILES CCCCCCCC
InChIKey TVMXDCGIABBOFY-UHFFFAOYSA-N
InChI InChI=1S/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H3
PubChem CID 356
UN Number UN1262
REACH Code Y110
TSCA Listed Yes
HTS Code 2901.10.4000
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

  • H225 Highly flammable liquid and vapour
  • H304 May be fatal if swallowed and enters airways
  • H315 Causes skin irritation
  • H336 May cause drowsiness or dizziness
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
  • P302+P352 IF ON SKIN: Wash with soap and water

Documents

Safety Data Sheets (SDS)

Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.

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

  • Heptane, methyl-
  • n-Oktan
  • normal-Octane
  • octane
  • Octane, all isomers
  • Octane; NSC 9822; n-Octane
  • octano
  • Oktan
  • Oktanen
  • Ottani

Frequently asked questions

What is N-Octane used for?

N-Octane is used as a nonpolar solvent in laboratory and industrial applications and as a hydrocarbon standard, for example in gas chromatography.

What is the chemical formula and molecular weight of N-Octane?

The chemical formula of N-Octane is C8H18, and its molecular weight is 114.23 g/mol.

How should N-Octane be stored?

N-Octane should be stored at ambient temperature, away from heat and ignition sources, in a well-ventilated area.

What grade of N-Octane does Molekula supply?

Molekula supplies N-Octane in analytical grade, suitable for laboratory and calibration purposes.

Can Molekula supply N-Octane in bulk?

Yes, Molekula can supply N-Octane in bulk quantities; please contact our sales team for volume pricing and availability.

What documentation comes with an order of N-Octane?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with GHS standards.

Ready to order or need a custom pack?

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