Heptane
SIAL/51730 - analytical standard
CAS Number: 142-82-5
Empirical Formula (Hill Notation): C7H16
Molecular Weight: 100.20
EC Number: 205-563-8
MDL Number: MFCD00009544
Linear Formula: CH3(CH2)5CH3
Product Type: Chemical
| application(s) | petroleum |
| assay | ≥99.8% (GC) |
| autoignition temp. | 433 °F |
| bp | 98 °C (lit.) |
| density | 0.684 g/mL at 25 °C (lit.) |
| expl. lim. | 7 % |
| format | neat |
| grade | analytical standard |
| greener alternative category | Aligned ![]() |
| greener alternative product characteristics | Safer Solvents and Auxiliaries Learn more about the Principles of Green Chemistry . |
| InChI | 1S/C7H16/c1-3-5-7-6-4-2/h |
| InChI key | IMNFDUFMRHMDMM-UHFFFAOYSA |
| mp | −91 °C (lit.) |
| Quality Level | 100 ![]() |
| refractive index | n |
| n |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | CCCCCCC |
| solubility | water: insoluble |
| sustainability | Greener Alternative Product |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 3.5 (vs air) |
| vapor pressure | 40 mmHg ( 20 °C) |
| 83 mmHg ( 37.7 °C) |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. Heptane is an environmentally preferable solvent compared to hexane and thus align with "Safer Solvents and Auxiliaries". Click here ![]() |
| Other Notes: | Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial . |
| Symbol | ![]() ![]() ![]() GHS02,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H225 - H304 - H315 - H336 - H410 |
| Precautionary statements | P210 - P233 - P273 - P301 + P310 - P303 + P361 + P353 - P331 |
| Hazard Codes | F,Xn,N |
| Risk Statements | 11-38-50/53-65-67 |
| Safety Statements | 9-16-29-33-60-61-62 |
| RIDADR | UN1206 - class 3 - PG 2 - Heptanes |
| WGK Germany | WGK 2 |
| Flash Point(F) | 24.8 °F |
| Flash Point(C) | -4 °C |
| Purity | ≥99.8% (GC) |
| bp | 98 °C (lit.) |
| mp | −91 °C (lit.) |
| Density | 0.684 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352001 |





