Molekula
n-Heptane for GC
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 for GC is a straight-chain alkane solvent (C7H16) used as a high-purity sample solvent and diluent, and as an n-alkane retention reference standard, in gas chromatography (GC) for analytical separations. It meets rigorous purity requirements for accurate retention time calibration and baseline stability. Catalogue details: CAS 142-82-5, molecular formula CH3(CH2)5CH3, molecular weight 100.20 g/mol, stored at ambient conditions. Hazard classification: Signal word Danger (flammable liquid, aspiration hazard). Molekula supplies n-Heptane for GC 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
| Property | Value |
|---|---|
| Appearance | Clear, colourless liquid |
| Water | ≤0.0100% |
| Purity | ≥99.0% |
| UV 220nm | ≤0.1500 |
| UV 230nm | ≤0.0550 |
| UV 250nm | ≤0.0150 |
| UV 400nm | ≤0.0100 |
| UV 197nm | ≤1.0000 |
| UV 212nm | ≤0.3000 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -4 °C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90033679 |
| 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 for GC primarily used for?
n-Heptane for GC is used as a solvent and calibration standard in gas chromatography (GC) for separating and analyzing volatile compounds.
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 for GC be stored?
Store at ambient temperature in a tightly sealed container, away from ignition sources and oxidizing agents.
What purity grade is available for n-Heptane for GC?
Molekula supplies GC-grade n-Heptane, meeting high-purity standards for analytical applications.
Can Molekula supply n-Heptane for GC in bulk quantities?
Yes, we offer bulk supply options for n-Heptane for GC, subject to minimum order quantities and availability.
What documentation comes with an order of n-Heptane for GC?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation.
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.