4-ISOPROPYLBENZYL ALCOHOL

Description

p-Isopropylbenzyl alcohol has an intense, persistent, caraway-like odor and an aromatic, burning taste. Prepared from cuminaldehyde with H2 or NH3 under pressure in methanol solution and in the presence of Raney Ni catalyst; or by catalytic reduction of methyl p-isopropy lbenzoate.

Chemical properties

4-Isopropylbenzyl alcohol is a clear colourless to slightly yellow liquid. Very poorly soluble in water, soluble in alcohol and oils. Sp.Gr. 0.98. B.P. 248℃. Oily-spicy odor, suggestive of Dillseed or Caraway, but not pungent or sharp like Carvone. Warm, almost burning, spicy-oily-woody taste.

Chemical properties

p-Isopropylbenzene alcohol has an intense, persistent, caraway-like odor and an aromatic, burning taste

Occurrence

Reported found in the oil from fruits of Cuminum cyminum and Carum carvi L.; also in the oils of Eucalyptus bakeris (esterified) and French lavender. Also reported found in mandarin peel oil, lingonberry, black currants, blackberry, tomato, cumin seed, peppermint oil, nutmeg, thymus, cognac, licorice, lovage seed, dill, laurel, turmeric, calabash nutmeg, angelica root oil and mastic gum leaf and fruit oil

The Uses of 4-ISOPROPYLBENZYL ALCOHOL

Flavoring.

What are the applications of Application

4-Isopropylbenzyl alcohol is a compound with insect repellent properties

Definition

Found in caraway seed.

Preparation

From cuminaldehyde with H2 or NH3 under pressure in methanol solution and in the presence of Raney Ni catalyst, or by catalytic reduction of methyl p-isopropylbenzoate

General Description

4-Isopropylbenzyl alcohol has mosquito repellent properties and has been isolated from Eucalyptus camaldulensis. Oxidation of 4-isopropylbenzyl alcohol over TiO₂-supported nano gold catalyst has been investigated.