Ambrol Crown Pg (Castor Oil For Cosmetic)

Appearance

Clear almost colourless to slightly yellow, viscous, hygroscopic liquid.

Acid Value

Not More Than 2.00 (mg KOH/gm)

Foreign Fatty Substance

(A) To 2 ml add 8 ml  R. The solution is clear.

(B) Shake 10 ml with 20 ml of light petroleum R. Allow to separate. The lower layer has a volume of not less than 16.0 ml

Weight per ml @ 20C

0.945 - 0.965 (gm/cm3)

Refractive Index

1.4758 - 1.4798

Optical Rotation

+3.5 - +6.0

Saponification Value

176 - 187 (mg KOH/gm)

Miscibility

Slightly soluble in petroleum ether, Miscible with acetic acid.

Iodine Value (Wijs)

82 - 88 (gm l2/1oogm)

Moisture (K.F.)

Not More Than 0.05

Hydroxyl Value

Not Less Than 150 (mg KOH/gm)

Peroxide Value

Not More Than 5.0 (meq. Oz/Kg)

Specific Absorbance

To 1.0 g add  R and dilute to 100 ml with same solvent. The solution shows an absorption maximum at 269 nm. The specific absorption measured at this maximum is Not More Than 1.0

Unsaponifiable Matter

Not More Than 0.8

Fatty Acid Composition

Palmitic Acid (C 16)

Maximum 2.0

Stearic Acid (C 18)

Maximum 2.5

Oleic Acid and lsomers (C 18:1)

2.5 to 6.0

Linoleic Acid (C 18:2)

2.5 to 7.0

Eicosenic Acid (C 20:1)

Maximum 1.0

Linolenic Acid (C 18:3)

Maximum 1.0

Ricinoleic Acid

85.0 to 92.0

Any other fatty acid

Maximum 1.0