Head-to-head

Canola Oil vs Castor Oil

soft
soft

Substitution factor

NaOH SAP A 0.1240NaOH SAP B 0.1280A / B = 0.1240 / 0.1280

0.9688

Multiply your lye amount by 0.9688 when swapping Canola Oil for Castor Oil.

Inverse 1.0323 when swapping Castor Oil for Canola Oil.

500 g swap · pure NaOH

500 g Canola Oil
62.00 g NaOH
500 g Castor Oil
64.00 g NaOH
Lye_A = Lye_B × factor
64.00 × 0.9688 = 62.00
Reverse pair

Constants

SAP, iodine, INS

MetricCanola OilCastor OilΔ A−B
NaOH SAP (pure)

0.1240

0.1280

-0.0040
KOH SAP (pure)

0.1740

0.1800

-0.0060
KOH SAP (90%)

0.1933

0.2000

-0.0067
Iodine value

110

86

+24
INS

56

95

-39
Max % of oils

20%

10%

+10
Hardness class

soft

soft

Trace

slows

accelerates

INCI (pre-sap)

Brassica Napus (Canola) Seed Oil

Ricinus Communis (Castor) Seed Oil

INCI NaOH salt

Sodium Canolate

Sodium Ricinoleate

INCI KOH salt

Potassium Canolate

Potassium Ricinoleate

Fatty acids

Eight-acid profile

MetricCanola OilCastor OilΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

0.0%

0.0%

0.0
Palmitic C16:0

4.0%

1.0%

+3.0
Stearic C18:0

2.0%

1.0%

+1.0
Ricinoleic C18:1-OH

0.0%

90.0%

-90.0
Oleic C18:1

61.0%

4.0%

+57.0
Linoleic C18:2

21.0%

4.0%

+17.0
Linolenic C18:3

9.0%

0.0%

+9.0

Quality

Physical contribution

MetricCanola OilCastor OilΔ A−B
Hardness

6.0

2.0

+4.0
Cleansing

0.0

0.0

0.0
Conditioning

91.0

98.0

-7.0
Bubbly lather

0.0

90.0

-90.0
Creamy lather

6.0

92.0

-86.0
Longevity

6.0

2.0

+4.0