Molekula
n-Heptane mixture of isomers
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-Heptane is a straight-chain alkane hydrocarbon, primarily used as a solvent, fuel component, and reference standard in gas chromatography. It serves as a key reference material for calibration and as a diluent in laboratory and industrial applications. This n-Heptane mixture of isomers has a CAS number of 142-82-5, molecular formula CH3(CH2)5CH3, and a molecular weight of 100.20 g/mol. It is stored at ambient conditions and carries a signal word of "Danger" due to its flammable and hazardous properties. Molekula supplies n-Heptane mixture of isomers 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -4 °C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90037330 |
| CAS Number | 142-82-5 |
| Molecular Formula | CH3(CH2)5CH3 |
| Molecular Weight | 100.20 |
| SMILES | CCCCCCC |
| UN Number | UN1206 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29011040 |
| 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
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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
No alternate names recorded for this product.
Frequently asked questions
What is n-Heptane (mixture of isomers) commonly used for?
n-Heptane is primarily used as a solvent in laboratory settings, as a reference fuel in octane rating measurements, and in the production of rubber, adhesives, and coatings.
What is the chemical formula and molecular weight of n-Heptane?
The chemical formula is **CH₃(CH₂)₅CH₃**, and the molecular weight is **100.20 g/mol**.
How should n-Heptane be stored?
Store n-Heptane in a tightly sealed container at **ambient temperature**, away from ignition sources, oxidizing agents, and incompatible materials.
What grades or purity levels of n-Heptane does Molekula supply?
Molekula supplies **analytical grade (ACS/HPLC) and technical grade** n-Heptane, with purity typically ≥99% for analytical applications.
Can Molekula supply n-Heptane in bulk quantities?
Yes, Molekula offers **bulk packaging options** (e.g., 5L, 20L, and 200L containers) for industrial and large-scale applications—please inquire for availability.
What documentation is provided with an order of n-Heptane?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation confirming purity, CAS #, and compliance with regulatory 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.