Molekula
N-Octane
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.
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.
-
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
-
Flammable
GHS02
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
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?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.