Linseed oil BP
 

pecification

Linseed (Flaxssed )oil (as per BP)

Oragnoleptic properties

Specification

Appearance

Yellow to pale yellow clear liquid

Odour 

Characteristic odor

Solubility

Miscible with light petroleum ether

Physical Characteristic

  

Refractive index @ 20 oC

1.479 to 1.485

Specific gravity @ 25 oC

0.920 to 934

Identification A

As per BP

Identification B

Composition of the fatty acid fraction of the oil

Acid value

NMT 4.00mgKOH/gm

Iodine value

160 to 200

Peroxide value

15 max

Water content

0.30% Max

Saponifiable number

188 to 195

Un saponifable matter

1.5% max

Cadmium

Max 1.5%

Chromatographic Analysis:%

Fatty Acid  LT C16

Palmitic acid

Palmitoleic acid

Stearic acid

Oleic acid

Linoleic acid

Linolenic Acid ( Omega-3 )

 

1.0Max

3.0 to 8,0 

1.0% Max

2.0 to 8.0

11 to 35

11 to 24

35 to 65

Storage: To keep the material cool and dark palace below at 25°C