Appearance*

Clear, oily liquid

Colour (APHA)*

30 max.

Odour

Essentially odourless

Specific gravity (20 °C / 20 °C)*

1.0895

Refractive index at 20 °C*

1.5100

Acidity (0.20 meq. KOH/100 g max)*

(0.01% as phosphoric acid)

Moisture (by KF in methanol, %)*

0.10 max.

Chemical type

Octyl Diphenyl Phosphate

Molecular weight

362.40

Pour point (°C)

<-54

Boiling point 13.3 h Pa

239 °C (decomposes)

Flash point (COC)

224 °C

Fire point (COC)

238 °C

Vapour pressure

at 150 °C

27 Pa

at 200 °C

213 Pa

Viscosity m²/s

at 0 °C

61

at 25 °C

16.4

at 99 °C

2.5

Surface tension at 23 °C

0.0367 N.m

Solubility in water at 25 °C

0.003%

General solubility

Soluble in most organic solvents