Molekula
n-Heptane
n-Heptane is a straight-chain alkane used as a reference standard in octane rating tests and as a solvent in laboratory and industrial applications. It is a colorless liquid with a characteristic odor. CAS: 142-82-5, Molecular Formula: C7H16, Molecular Weight: 100.20 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies n-Heptane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
n-Heptane is a straight-chain alkane used as a reference standard in octane rating tests and as a solvent in laboratory and industrial applications. It is a colorless liquid with a characteristic odor. CAS: 142-82-5, Molecular Formula: C7H16, Molecular Weight: 100.20 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies n-Heptane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear and colourless |
| Density | 686-690kg/m3 (At 15°C) |
| Refractive Index | 13700-138900 (At 20°C) |
| Water | ≤100 mg/kg |
| Identification | Conforms to reference |
| Nonvolatile matter | ≤1mg (Per 100ml) |
| Aromatics | ≤50mg/kg |
| Benzene | 0 |
| n-Heptane | ≥99% w |
| Acid Wash Colour | 0 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -4 C |
| Transport Class | 3 |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 142-82-5 |
| Molecular Formula | CH3(CH2)5CH3 |
| Molecular Weight | 100.20 |
| SMILES | CCCCCCC |
| EC / UN Number | 1206 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29011040 |
| Tariff Code | 2901100000 |
Safety & GHS
-
Explosive
GHS01
-
Flammable
GHS02
-
Oxidizing
GHS03
-
Toxic
GHS06
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
For research and industrial use only
Documents
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is n-Heptane used for?
n-Heptane is primarily used as a reference standard in octane rating tests for gasoline and as a solvent in chemical laboratories.
What is the chemical formula and molecular weight of n-Heptane?
The formula is CH3(CH2)5CH3 with a molecular weight of 100.20 g/mol.
How should n-Heptane be stored?
Store at ambient temperature, away from ignition sources, in a well-ventilated area.
What grade of n-Heptane does Molekula supply?
Molekula supplies n-Heptane in reagent grade, suitable for laboratory and analytical use.
Can Molekula supply n-Heptane in bulk?
Yes, Molekula can supply n-Heptane in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of n-Heptane?
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.