3-Methyl-1-butene
ALDRICH/257931 - 95%
Synonym: α-Isoamylene; 2-Methyl-3-butene; 3,3-Dimethylpropene; 3-Methyl-1-butene; Isopropylethene; Isopropylethylene
CAS Number: 563-45-1
Empirical Formula (Hill Notation): C5H10
Molecular Weight: 70.13
EC Number: 209-249-1
MDL Number: MFCD00008937
Linear Formula: (CH3)2CHCH=CH2
Product Type: Chemical
| assay | 95% |
| bp | 20 °C (lit.) |
| density | 0.627 g/mL at 25 °C (lit.) |
| InChI | 1S/C5H10/c1-4-5(2)3/h4-5H |
| InChI key | YHQXBTXEYZIYOV-UHFFFAOYSA |
| mp | −168.5-−168 °C (lit.) |
| Quality Level | 100 ![]() |
| SMILES string | CC(C)C=C |
| vapor pressure | 14.97 psi ( 20 °C) |
| Application: | 3-Methyl-1-butene has been used in asymmetric total synthesis of (−)-Linderol A, a potent inhibitor of melanin biosynthesis of cultured B-16 melanoma cells. |
| General description: | Gas-phase reaction of the OH radical with 3-methyl-1-butene in the presence of NO has been investigated. Polymerization of 3-methyl-1-butene in the presence of homogeneous metallocene catalyst (co-catalyst methylalumoxane) has been investigated. |
| Other Notes: | Brass hose adapter Z146811 or brass body mini gas regulator Z513539 is recommended. |
| Packaging: | 100, 400 g in Sure/Pac™ |
| Symbol | ![]() ![]() ![]() GHS02,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H224 - H304 - H335 - H411 |
| Precautionary statements | P210 - P233 - P273 - P301 + P310 - P331 - P403 + P233 |
| Hazard Codes | F+,Xn |
| Risk Statements | 12-36/37/38-65 |
| Safety Statements | 16-26-62 |
| RIDADR | UN 2561 3 / PGI |
| WGK Germany | WGK 3 |
| Flash Point(F) | -70.6 °F - closed cup |
| Flash Point(C) | -57 °C - closed cup |
| Purity | 95% |
| bp | 20 °C (lit.) |
| mp | −168.5-−168 °C (lit.) |
| Density | 0.627 g/mL at 25 °C (lit.) |
| UNSPSC | 12352100 |





