Molekula
Heptadecane
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
Heptadecane is a saturated hydrocarbon used as a reference standard in analytical chemistry and as a component in calibration mixtures. Industrially, it serves as a feedstock for hydrocracking, and as a higher n-alkane it is used in detergent production and as a raw material for oxidation and chlorination reactions. It has a molecular formula of CH3(CH2)15CH3, a molecular weight of 240.47 g/mol, and a CAS number of 629-78-7. It is stored at ambient temperature and is classified as dangerous. Molekula supplies Heptadecane 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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100 g — £91.90 per pack ex VAT · £110.28 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 liquid |
| Assay (GC) | ≥98.0% |
| C16 and lower | ≤1.0% |
| C18 and higher | ≤1.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 148 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odour | Fuel-like |
| Melting Point | 21.97 °C |
| Boiling Point | 303 °C |
| Density | 0.7780 g/cm³ at 20 °C |
| Water Solubility | 0.0023 mg/L at 25 °C |
| Solubility (other solvents) | Slightly soluble in ethanol, carbon tetrachloride; soluble in ethyl ether |
| Vapour Pressure | 2.28 × 10⁻⁴ mmHg at 25 °C |
| Refractive Index | 1.4369 |
Source: PubChem CID 12398 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 24686856 |
| CAS Number | 629-78-7 |
| IUPAC Name | heptadecane |
| EC Number | 211-108-4 |
| Molecular Formula | CH3(CH2)15CH3 |
| Molecular Weight | 240.47 |
| Exact Mass | 240.2817 |
| SMILES | CCCCCCCCCCCCCCCCC |
| InChIKey | NDJKXXJCMXVBJW-UHFFFAOYSA-N |
| InChI | InChI=1S/C17H36/c1-3-5-7-9-11-13-15-17-16-14-12-10-8-6-4-2/h3-17H2,1-2H3 |
| PubChem CID | 12398 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29011050 |
| Tariff Code | 2901100000 |
Safety & GHS
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Serious Health Hazard
GHS08
Hazard statements
- EUH066 Repeated exposure may cause skin dryness or cracking
- H304 May be fatal if swallowed and enters airways
Precautionary statements
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P405 Store locked up
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- Heptadecane; NSC 172782; TS 7; n-Heptadecane
- Heptadekan
- Hexadecane, methyl-
- n-Heptadecane
- Normal-heptadecane
- PJ8
Frequently asked questions
What is heptadecane used for?
Heptadecane is primarily used as a reference standard in gas chromatography and as a component in calibration mixtures for hydrocarbon analysis.
What is the chemical formula and molecular weight of heptadecane?
The formula is CH3(CH2)15CH3 and the molecular weight is 240.47 g/mol.
How should heptadecane be stored?
Heptadecane should be stored at ambient temperature, away from light and moisture.
What grade is available for heptadecane?
Heptadecane is available in analytical grade for laboratory use.
Can Molekula supply heptadecane in bulk?
Yes, Molekula can supply heptadecane in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a heptadecane order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.