2-Methylpropane
ALDRICH/295450 - 99%
Synonym: Isobutane
CAS Number: 75-28-5
Empirical Formula (Hill Notation): C4H10
Molecular Weight: 58.12
EC Number: 200-857-2
MDL Number: MFCD00008926
Linear Formula: (CH3)3CH
Product Type: Chemical
| assay | 99% |
| autoignition temp. | 860 °F |
| bp | −12 °C (lit.) |
| density | 2.064 g/mL at 25 °C (lit.) |
| expl. lim. | 8.3 % |
| InChI | 1S/C4H10/c1-4(2)3/h4H,1-3 |
| InChI key | NNPPMTNAJDCUHE-UHFFFAOYSA |
| mp | −160 °C (lit.) |
| SMILES string | CC(C)C |
| vapor density | 2.01 (21 °C, vs air) |
| vapor pressure | 72.2 psi ( 37.7 °C) |
| Application: | 2-Methylpropane can be used as a starting material to prepare: • Isobutylene by catalytic dehydrogenation using various catalysts. • Isopropyl methyl ketone by formylation reaction with carbon monoxide in the presence of super acid catalyst. • tert-Butylhydroperoxide (TBHP) by oxidation. |
| Legal Information: | Aldrich is a registered trademark of Sigma-Aldrich Co. LLC |
| Legal Information: | Sure/Pac is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 100, 350 g in Sure/Pac™ |
| Packaging: | Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve. Compatible with the following: • Aldrich® Sure/Pac™ station for liquefied gases Z566446  • PTFE Sealing tape Z104388 or Z221880 • Brass hose adapter Z146811 • Aldrich® mini gas regulator Z513539 |
| Symbol |   GHS02,GHS04 |
| Signal word | Danger |
| Hazard statements | H220 - H280 |
| Precautionary statements | P410 + P403 |
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 9-16 |
| RIDADR | UN 1969 2.1 |
| WGK Germany | nwg |
| Flash Point(F) | -117.4 °F - closed cup |
| Flash Point(C) | -83 °C - closed cup |
| Purity | 99% |
| bp | −12 °C (lit.) |
| mp | −160 °C (lit.) |
| Density | 2.064 g/mL at 25 °C (lit.) |
| UNSPSC | 12142100 |