trans-2-Butene
ALDRICH/295086 - ≥99%
Synonym: β-trans-Butylene; (2E)-2-Butene; (E)-2-Butene; 2-trans-Butene; 2-trans-Butylene; E-Butene; trans-
CAS Number: 624-64-6
Empirical Formula (Hill Notation): C4H8
Molecular Weight: 56.11
EC Number: 210-855-3
MDL Number: MFCD00064458
Linear Formula: CH3CH=CHCH3
Product Type: Chemical
| assay | ≥99% |
| autoignition temp. | 615 °F |
| bp | 1 °C (lit.) |
| expl. lim. | 9.7 % |
| InChI | 1S/C4H8/c1-3-4-2/h3-4H,1- |
| InChI key | IAQRGUVFOMOMEM-ONEGZZNKSA |
| mp | −105 °C (lit.) |
| Quality Level | 100  |
| SMILES string | CC=CC |
| vapor density | 2 (vs air) |
| vapor pressure | 2575 mmHg ( 37.7 °C) |
| Application: | trans-2-Butene can be used as a monomer unit to produce high molecular weight polyolefins with well-defined microstructures by nickle-catalyzed polymerization reaction. It is also used as a reactant in the isomerization reaction to produce the corresponding isomer using acid-activated catalysts. |
| Legal Information: | Aldrich is a registered trademark of Sigma-Aldrich Co. LLC |
| Legal Information: | ISOGRO is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Legal Information: | Sure/Pac is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 50, 200, 230 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 |
| Signal word | Danger |
| Hazard statements | H220 - H280 |
| Precautionary statements | P210 - P410 + P403 |
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 9-16-33 |
| RIDADR | UN1012 - class 2 - Butylene |
| WGK Germany | WGK 3 |
| Flash Point(F) | -4.0 °F - closed cup |
| Flash Point(C) | -20 °C - closed cup |
| Purity | ≥99% |
| bp | 1 °C (lit.) |
| mp | −105 °C (lit.) |
| UNSPSC | 12142100 |