What is the CAS number for limonene?
Key Specifications Table
| CAS # | EC Number | Molar Mass |
|---|---|---|
| 138-86-3 | 205-341-0 | 136.24 g/mol |
What is L-limonene?
Limonene is a chemical found in the peels of citrus fruits and in other plants. It is used to make medicine. Limonene is used for obesity, cancer, and bronchitis, but there is no good scientific evidence to support these uses. In foods, beverages, and chewing gum, limonene is used as a flavoring.
Is limonene a monoterpene?
Limonene is a monoterpene that exists in nature in two enantiomers: (R)-limonene [aka (–)-limonene, D-limonene] and (S)-limonene [aka (+)-limonene, L-limonene]. The (S)-isomer is shown here. Both enantiomers have well-recognized flavors and aromas.
What is the configuration in limonene?
(4S)-limonene is an optically active form of limonene having (4S)-configuration. It is an enantiomer of a (4R)-limonene. A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature.
Is D-limonene the same as limonene?
Limonene is a chemical found in the rind of citrus fruits, such as lemons, limes, and oranges. It is especially concentrated in orange peels, comprising around 97% of this rind’s essential oils ( 2 ). It’s often referred to as d-limonene, which is its main chemical form.
What is the specific rotation of R limonene?
The specific rotation of (R)-limonene is +11.5o in ethanol.
What is eugenol classified?
Description. Eugenol or 4-allyl-2-methoxyphenol is classified as a phenylpropanoid, formally derived from guaiacol, with an allyl chain substituted para to the hydroxy group. It is soluble in water, alcohol, chloroform, ether and oils. Eugenol is a neutral compound.
Is limonene R or S?
The limonene structure has a chiral center, and thus it is found in nature as two enantiomers the (R)- and (S)-limonene. Isomer (R)- has the characteristic smell of oranges, while the (S)- smells like lemons. In oranges, essential oil comprises 95% of (R)-limonene, whereas lemon peel contains mostly (S)-limonene.
Is limonene a solvent?
Limonene is also used as a solvent in histology laboratories and as a flavor and fragrance additive in food, household cleaning products, and perfumes.
What is the difference between D-limonene and L limonene?
D-Limonene is used in the organic herbicide, Avenger. It is added to cleaning products, such as hand cleansers to give a lemon or orange fragrance (see orange oil) and for its ability to dissolve oils. In contrast, L-limonene has a piny, turpentine-like odor.
How is limonene chiral?
Limonene therefore has two optical isomers. The optical isomers are non-superimposable mirror images of each other and their three-dimensional structures can be compared here. Chiral centres are labelled as R or S using IUPAC nomenclature. Thus the two isomers of limonene can be named 4(R)-limonene and 4(S)-limonene.
What type of Terpenoid is D limonene?
monoterpene
Limonene is a monoterpene that is cyclohex-1-ene substituted by a methyl group at position 1 and a prop-1-en-2-yl group at position 4 respectively. It has a role as a human metabolite. It is a monoterpene and a cycloalkene.
What is the enantiomer of limonene?
Limonene is a chiral molecule, and biological sources produce one enantiomer: the principal industrial source, citrus fruit, contains D -limonene ( (+)-limonene), which is the ( R) -enantiomer. Racemic limonene is known as dipentene.
Is limonene safe to use on humans?
Safety and research. D -Limonene applied to skin may cause irritation from contact dermatitis, but otherwise appears to be safe for human uses. Limonene is flammable as a liquid or vapor, and is toxic to aquatic life.
What is the difference between L and D limonene?
D -Limonene is used in the organic herbicide “Avenger”. It is added to cleaning products, such as hand cleansers to give a lemon or orange fragrance (see orange oil) and for its ability to dissolve oils. In contrast, L -limonene has a piny, turpentine -like odor.
What is the KOC value of limonene?
TERRESTRIAL FATE: Based on a classification scheme (1), an estimated Koc value of 1,100 determined from a structure estimation method (2), indicates that limonene is expected to have low mobility in soil (SRC).