Certificate of Analysis

Castor Oil

 

Description: a clear almost colourless or slightly yellow viscous liquid; odour very slight and

Characteristic; taste at first bland but afterwards slightly acrid.

 

Solubility: soluble in chloroform and in ether, slightly soluble in light petroleum, miscible

With ethanol (96%) with glacial acetic acid.

 

TEST

SPECIFICATION

ANALYSIS

Acid Value

2.0 maximum

0.38%

Specific Gravity @ 20°C

0.952-0.965

0.960

Iodine Value

82-90

88.5

Saponification value

176-187

180

Unsaponifiable matter

0.8% maximum

0.37

Refractive index @ 20°C

1.477-1.481

1.479

Peroxide value

5.0 maximum

1.5

Hydroxyl Value

150 minimum

157.17

Optical rotation

+3.5° to 6.0°

+4.1

13-04-07