2-Methylhexane
ALDRICH/M49704 - 99%
Synonym: Isoheptane
CAS Number: 591-76-4
Empirical Formula (Hill Notation): C7H16
Molecular Weight: 100.20
EC Number: 209-730-6
MDL Number: MFCD00009487
Linear Formula: CH3(CH2)3CH(CH3)2
Product Type: Chemical
| assay | 99% |
| autoignition temp. | 536 °F |
| bp | 90 °C (lit.) |
| density | 0.679 g/mL at 25 °C (lit.) |
| expl. lim. | ~7 % |
| form | liquid |
| InChI | 1S/C7H16/c1-4-5-6-7(2)3/h |
| InChI key | GXDHCNNESPLIKD-UHFFFAOYSA |
| mp | −118 °C (lit.) |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | CCCCC(C)C |
| vapor pressure | 2.27 psi ( 37.7 °C) |
| Application: | 2-Methylhexane is mainly used as a model iso-alkane in studies relating to iso-alkane oxidation, vapor-liquid phase equilibria of heptane isomers and catalytic cracking. |
| Packaging: | 5, 25 g in ampule |
| 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 | UN3295 - class 3 - PG 2 - EHS - VP <= 110kPa - Hydrocarbons, liq |
| WGK Germany | WGK 2 |
| Flash Point(F) | 30.2 °F - closed cup |
| Flash Point(C) | -1 °C - closed cup |
| Purity | 99% |
| bp | 90 °C (lit.) |
| mp | −118 °C (lit.) |
| Density | 0.679 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |





