Molekula
N-Octane
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · 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.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 25 November 2026
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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100 g — £30.90 per pack ex VAT · £37.08 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 | 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
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Flammable
GHS02
-
Health Hazard
GHS07
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Serious Health Hazard
GHS08
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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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.