2,2,4-Trimethylpentane
SIAL/59030 - analytical standard
Synonym: Isooctane
CAS Number: 540-84-1
Empirical Formula (Hill Notation): C8H18
Molecular Weight: 114.23
EC Number: 208-759-1
MDL Number: MFCD00008943
Linear Formula: (CH3)2CHCH2C(CH3)3
Product Type: Chemical
| application(s) | petroleum |
| assay | ≥99.7% (GC) |
| autoignition temp. | 745 °F |
| bp | 98-99 °C (lit.) |
| density | 0.692 g/mL at 25 °C (lit.) |
| expl. lim. | 6 % |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C8H18/c1-7(2)6-8(3,4)5 |
| InChI key | NHTMVDHEPJAVLT-UHFFFAOYSA |
| mp | −107 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| n |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | CC(C)CC(C)(C)C |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 3.9 (vs air) |
| vapor pressure | 41 mmHg ( 21 °C) |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | 2,2,4-Trimethylpentane, a branched alkane, having a low tendency to auto-ignite, is used as a reference in determining the octane number of gasoline. |
| Symbol |     GHS02,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H225 - H304 - H315 - H336 - H410 |
| Precautionary statements | P210 - P273 - P301 + P310 + P331 - P302 + P352 |
| Hazard Codes | F,Xn,N |
| Risk Statements | 11-38-50/53-65-67 |
| Safety Statements | 9-16-29-33-60-61-62 |
| RIDADR | UN1262 - class 3 - PG 2 - Octanes |
| WGK Germany | WGK 2 |
| Flash Point(F) | 10.4 °F - closed cup |
| Flash Point(C) | -12 °C - closed cup |
| Purity | ≥99.7% (GC) |
| bp | 98-99 °C (lit.) |
| mp | −107 °C (lit.) |
| Density | 0.692 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |