Melting point: |
-107 °C |
Boiling point: |
98-99 °C(lit.) |
Density |
0.692 g/mL at 25 °C(lit.) |
vapor density |
3.9 (vs air) |
vapor pressure |
41 mm Hg ( 21 °C) |
refractive index |
n20/D 1.391(lit.) |
Flash point: |
18 °F |
storage temp. |
Store at +5°C to +30°C. |
solubility |
water: insoluble |
form |
Liquid |
pka |
>14 (Schwarzenbach et al., 1993) |
Specific Gravity |
0.692 (20/4℃) |
color |
APHA: ≤10 |
Relative polarity |
-0.4 |
explosive limit |
1%(V) |
Odor Threshold |
0.11ppm |
Water Solubility |
INSOLUBLE |
FreezingPoint |
-107.52℃ |
λmax |
λ: 205 nm Amax: 1.00 λ: 225 nm Amax: 0.10 λ: 254 nm Amax: 0.01 |
Merck |
14,5193 |
BRN |
1696876 |
Henry's Law Constant |
3.23 at 25 °C (Mackay and Shiu, 1981) |
Exposure limits |
ACGIH TLV: TWA for all isomers 300 ppm (adopted). |
Dielectric constant |
2.1(Ambient) |
Stability: |
Stable. Highly flammable. Incompatible with oxidizing agents, reducing agents. |
LogP |
4.373 (est) |
CAS DataBase Reference |
540-84-1(CAS DataBase Reference) |
NIST Chemistry Reference |
Pentane, 2,2,4-trimethyl-(540-84-1) |
EPA Substance Registry System |
2,2,4-Trimethylpentane (540-84-1) |