A3173812
2,3-Dimethyl-2-butene , 98% , 563-79-1
Synonym(s):
Tetramethylethylene
CAS NO.：563-79-1
Empirical Formula: C6H12
Molecular Weight: 84.16
MDL number: MFCD00008897
EINECS: 209-263-8
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -75 °C (lit.) |
| Boiling point: | 73 °C (lit.) |
| Density | 0.708 g/mL at 25 °C (lit.) |
| vapor pressure | 215 mm Hg ( 37.7 °C) |
| refractive index | n |
| Flash point: | 2 °F |
| storage temp. | 2-8°C |
| solubility | 0.071g/l |
| form | Liquid |
| Specific Gravity | 0.708 |
| color | Clear colorless to slightly yellow |
| explosive limit | 1.2%(V) |
| Water Solubility | Soluble in water (0.071 g/L) |
| Sensitive | Air Sensitive |
| BRN | 1361357 |
| Stability: | Stable. Highly flammable - readily forms explosive mixtures with air. Note low flash point. Incompatible with strong acids, strong oxidizing agents, peroxy compounds. |
| CAS DataBase Reference | 563-79-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butene, 2,3-dimethyl-(563-79-1) |
| EPA Substance Registry System | 2-Butene, 2,3-dimethyl- (563-79-1) |
Description and Uses
2,3-Dimethyl-2-butene was used in the preparation of thexyl NHC-borane (diMe-Imd-BH2thexyl).
Safety
| Symbol(GHS) |   GHS02,GHS08 |
| Signal word | Danger |
| Hazard statements | H225-H304 |
| Precautionary statements | P210-P301+P310+P331 |
| Hazard Codes | F,Xn,C |
| Risk Statements | 11-65-36/37/38-22-19-40-36/37 |
| Safety Statements | 16-33-62-9-36/37/39-26-36/37 |
| RIDADR | UN 3295 3/PG 2 |
| WGK Germany | 3 |
| F | 10-23 |
| Autoignition Temperature | 754 °F |
| Hazard Note | Extremely Flammable/Corrosive/Harmful |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29012980 |
| Limited Quantities | 1.0 L (0.3 gallon) (liquid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) |
