PRODUCT Properties
| Melting point: | -19.8° |
| Boiling point: | bp 9.5° |
| Density | d00 0.613 (liq) |
| vapor pressure | 1,074.43 at 19.492 °C, 1,267.75 at 24.560 °C (ebulliometry, Osborn and Douslin, 1974) |
| refractive index | 1.3390 |
| solubility | Soluble in alcohol and ether (Weast, 1986). |
| pka | >14 (Schwarzenbach et al., 1993) |
| Water Solubility | 33.2 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966) |
| Henry's Law Constant | 3.70(atm?m3/mol) at 25 °C (Mackay and Shiu, 1981) |
| Exposure limits | ACGIH TLV: TWA 600 ppm (adopted). |
| Dielectric constant | 1.9099999999999999 |
| CAS DataBase Reference | 463-82-1(CAS DataBase Reference) |
| EPA Substance Registry System | 2,2-Dimethylpropane (463-82-1) |
Description and Uses
2,2-Dimethylpropane is manufactured by petroleum refining operations. It is used as a chemical intermediate for agricultural chemicals, and as a component of high-octane motor and aviation fuels.
Safety
| Symbol(GHS) |    GHS02,GHS04,GHS09 |
| Signal word | Danger |
| Hazard statements | H220-H280-H411 |
| Precautionary statements | P210-P273-P280 |
| Hazard Codes | F+,N |
| Risk Statements | 12-51/53 |
| Safety Statements | 9-16-33-61 |
| RIDADR | 2044 |
| OEB | A |
| OEL | TWA: 120.0 ppm; 350.0 mg/m3, STEL: 610.0 ppm; 1800.0 mg/m3 |
| HazardClass | 2.1 |
| HS Code | 2901100000 |
| Hazardous Substances Data | 463-82-1(Hazardous Substances Data) |
| Toxicity | Acute oral LD50 (intraperitoneal) for mice 100 mg/kg (quoted, RTECS, 1985). |
