2-Methylbutane
SIGALD/M32631 - ReagentPlus®, ≥99%
Synonym: Isopentane
CAS Number: 78-78-4
Empirical Formula (Hill Notation): C5H12
Molecular Weight: 72.15
EC Number: 201-142-8
MDL Number: MFCD00009338
Linear Formula: CH3CH2CH(CH3)2
Product Type: Chemical
assay | ≥99% |
autoignition temp. | 788 °F |
bp | 30 °C (lit.) |
density | 0.62 g/mL at 25 °C (lit.) |
expl. lim. | 8.3 % |
form | liquid |
InChI | 1S/C5H12/c1-4-5(2)3/h5H,4 |
InChI key | QWTDNUCVQCZILF-UHFFFAOYSA |
mp | -160 °C |
product line | ReagentPlus® |
Quality Level | 100 ![]() |
refractive index | n |
SMILES string | CCC(C)C |
storage temp. | 2-8°C |
vapor density | 2.6 (vs air) |
vapor pressure | 11.17 psi ( 20 °C) |
Application: | 2-Methylbutane can be used as: • A reactant to synthesize isoprene by a two-stage dehydrogenation process using chromia-alumina catalyst. • A weakly polar solvent to study the intramolecular charge transfer (ICT) effect and the solvatochromic behavior of the pyrene substituted 1,3,4-oxadiazole derivatives. |
General description: | 2-Methylbutane is a flammable and highly volatile aliphatic hydrocarbon used as a solvent in organic synthesis. It is also used to flash-freeze biological samples in conjunction with dry ice or liquid nitrogen. |
Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
Other Notes: | The article number M32631-4X1L will be discontinued. Please order the single bottle M32631-1L which is physically identical with the same exact specifications. |
Packaging: | 4 L in glass bottle |
Packaging: | 500 mL in glass bottle |
Symbol | ![]() ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H224 - H304 - H336 - H411 |
Precautionary statements | P210 - P233 - P273 - P301 + P310 - P331 - P403 + P233 |
Hazard Codes | F+,Xn,N |
Risk Statements | 12-51/53-65-66-67 |
Safety Statements | 9-16-29-33-61-62 |
RIDADR | UN1265 - class 3 - PG 1 - Pentanes |
WGK Germany | WGK 2 |
Flash Point(F) | -59.8 °F - closed cup |
Flash Point(C) | -51 °C - closed cup |
Supplemental Hazard Statements | EUH066 |
Purity | ≥99% |
bp | 30 °C (lit.) |
mp | -160 °C |
Density | 0.62 g/mL at 25 °C (lit.) |
Refractive Index | n |
Storage Temp. | 2-8°C |
UNSPSC | 12191502 |