Physical Properties
The physical properties of the three types of white spirit are:
| Property | T1: Low flash | T2: Regular | T3: High flash |
|---|---|---|---|
| Initial boiling point (IBP) (°F) | 130–144 | 145–174 | 175–200 |
| Final boiling point (°F) | IBP+21, max. 220 | ||
| Average relative molecular mass | 140 | 150 | 160 |
| Relative density (15 °C) | 0.765 | 0.780 | 0.795 |
| Flash point (°C) | 21–30 | 31–54 | > 55 |
| Vapour pressure (kPa, 20 °C) | 1.4 | 0.6 | 0.1 |
| Volatility (n-butyl acetate=1) | 0.47 | 0.15 | 0.04 |
| Autoignition temperature (°C) | 240 | 240 | 230 |
| Explosion limits (Flammable Range) (% by volume in air) | 0.6–6.5 | 0.6–6.5 | 0.6–8 |
| Vapour density (air=1) | 4.5–5 | 4.5–5 | 4.5–5 |
| Refractive index (at 20 °C) | 1.41–1.44 | 1.41–-1.44 | 1.41–1.44 |
| Viscosity (cps, 25 °C) | 0.74–1.65 | 0.74–1.65 | 0.74–1.65 |
| Solubility (% by weight in water) | < 0.1 | < 0.1 | < 0.1 |
| Kauri-butanol value | 29–33 | 29–33 | 29–33 |
| Aniline point (°C) | 60–75 | 60–75 | 60–75 |
| Reactivity | reaction with strong oxidizing agents | ||
| Odor threshold (mg/m3) | — | 0.5–5 | 4 |
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