A7887212
2,2,5-Trimethylhexane , >99.0%(GC) , 3522-94-9
CAS NO.：3522-94-9
Empirical Formula: C9H20
Molecular Weight: 128.26
MDL number: MFCD00026525
EINECS: 222-537-1
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -105.76°C |
| Boiling point: | 122°C |
| Density | 0,71 g/cm3 |
| vapor pressure | 3.647 at 0.000 °C, 5.072 at 5.000 °C, 6.958 at 10.000 °C, 9.418 at 15.000 °C, 12.583 at 20.000 °C,16.625 at 25.000 °C, 21.719 at 30.000 °C (inclined-piston, Osborn and Douslin, 1974) |
| refractive index | 1.3990 to 1.4010 |
| Flash point: | 13°C |
| solubility | In methanol, g/L: 162 at 5 °C, 179 at 10 °C, 200 at 15 °C, 221 at 20 °C, 247 at 25 °C, 280 at 30
°C, 316 at 35 °C, 360 at 40 °C (Kiser et al., 1961); miscible with hexane and pentane. |
| form | clear liquid |
| pka | >14 (Schwarzenbach et al., 1993) |
| color | Colorless to Almost colorless |
| Odor Threshold | 0.9ppm |
| Water Solubility | 1.15mg/L(25 ºC) |
| Henry's Law Constant | 3.45 at 25 °C (Mackay and Shiu, 1981) |
| Exposure limits | ACGIH TLV: TWA for all isomers 200 ppm (adopted). |
| CAS DataBase Reference | 3522-94-9(CAS DataBase Reference) |
| EPA Substance Registry System | Hexane, 2,2,5-trimethyl- (3522-94-9) |
Description and Uses
Synthesis, motor-fuel additive.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Danger |
| Hazard statements | H225 |
| Precautionary statements | P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501 |
| Risk Statements | 11 |
| Safety Statements | 16-26 |
| RIDADR | 3295 |
| RTECS | MO4630000 |
| HS Code | 2901.29.1050 |
| HazardClass | 3 |
| PackingGroup | III |
