Manufactured by extraction of menthol from menthol oil. The oil is chilled
to a temperature of -40°C to separate the menthol, which is later
crystallized by slow cooling. These crystals are available in the following
two grades and confirm to IP/BP/USP/JP/FCC-III standards.
Menthol Large Crystals
Menthol Small Crystals
- Menthol Terpeneless Crystals
Terpeneless crystals are made by the fractional distillation of
menthol oil. The distilled oil yields pure menthol as a fraction,
that is gradually cooled and crystallized. These crystals are
available in the following two grades and confirm to IP/BP/USP/JP/
FCC-III standards.
Menthol Large Crystals
Menthol Small Crystals
- Menthol Flakes (Melted) (A product stage before Menthol crystals)
- Peppermint Oil (Derivative of Mentha oil rectified and distilled
as per customer's requirement)
- Tri-Rectified Peppermint Oil (T.P.O.)
- De-Mentholised Peppermint Oil (Derivative of Mentha oil in crude
form)
- Crude Mentha Oil (Also known as Mentha Arvensis - the raw
material for Menthol crystals)
|
| Specifications for Menthol |
| Other Name |
1-Methyl-4-isopropyl
cyclohexane-3-ol |
|
| Molecular Weight |
156.27 |
| Description |
Colourless
crystals with a refreshing mint odour |
| Solubility |
Very soluble in
Alcohol and slightly in water |
| Taste |
Cool sensation in
mouth, characteristic mint flavour |
| Acidity/Alkalinity |
Neutral to Litmus
solution |
| Analysis |
VC |
USP |
BP |
JP |
FCC-III |
IP |
| Melting Point (°C
) |
42 to 44 |
41 to 44 |
41 to 44 |
42 to 44 |
42 to 44 |
41 to 44 |
| Optical Rotation |
-49° to -50° |
-49° to- 50° |
-49° to- 50° |
-49° to- 51° |
-49° to- 50° |
-49° to- 50° |
| Non-volatile matter |
0.05% |
0.05% |
0.05% |
0.05% |
0.05% |
0.05% |
| Menthol (not less
than) |
99.70% |
97.00% |
Not Specified |
98.00% |
Not Specified |
Not Specified |
| VC - Vinayak
Corporation |
JP - Japanese Pharma |
| USP - United States
Pharma |
FCC-III Food Codex
(American Food Grade) |
| BP - British Pharma |
IP - Indian Pharma |
