Product

Physical Characteristic

Specification

Test Method

Result

Appearance

A colourless, pale yellow or pale greenish-yellow liquid.

Visual type

Complies

Odor

characteristic odour and taste followed by a sensation of cold.

Sensory type

Identification.

First identification B.

Second identification A.

Complying with test

Thin-layer chromatography

Comply to BP

Complies

Relative density @ 25°C

0.900 to 0.916.

BA-QC-016-007

0.904

Refractive index @ 20°C

1.457 to 1.467.

BA-QC-016-008

1.462

Optical rotation @ 20°C

- 10° to - 30°.

BA-QC-016-048

-21.87

Acid value

Maximum 1.4,

BA-QC-016-001

0.35

Fatty oils and resinified essential oils

It complies with the test.

In house

Complies

Solubility

Miscible with alcohol and with methylene chloride.

In house

Complies

Assay by GC

limonene

cineole

menthone

menthofuran

isomenthone

menthyl acetate:

isopulegol

menthol

pulegone

carvone

1.0   to 5.0%

3.5 to 14.0%

14.0 to 32.0%
1.0 to 9.0%

1.5 to 10.0%

2.8 to 10.0%

Max 0.2%

30.0 to 55.0%

Max 4.0%

Max 1.0%

By GC

3.65

12.34

27.32

1.02

6.25

8.25

0.1

44.15

0.65

0.70