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BP grade Castor Oil

It is generated from commercial grade castor oil by neutralization process and utilized in pharmacy and medical applications in Great Britain.  

Chemical, Physical Properties and Specifications:

Appearance

A nearly colorless or faintly yellow viscid Oil, odor Slight, taste at the first bland but afterwards slightly acrid.

CAS Number

8001-79-4

EINECS

292-293-8

Colour

Nearly Colourless or Faintly Yellow

Relative Density at 20C

0.952-0.965

Refractive Index

1.477 to 1.481

Moisture

0.3% max.

Iodine Value

82-90

Saponification Value

176-187

Acid Value

2.0 max.

Unsaponfiables w/w

0.8% max.

Optical Rotation

between +3.5 and 6.0

Acetyl Value

Not less than 140

Hydroxyl Value

150 min.

Peroxide Value

5.0 max

Light Absorption

1.0 max