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What is the specific rotation for R carvone and S carvone?

Posted on May 31, 2020 by Sherryl Cole

Table of Contents

  • What is the specific rotation for R carvone and S carvone?
  • What is the density of carvone g mL?
  • What is the density of carvone?
  • What is the molar mass of carvone?
  • What is the formula of specific rotation?
  • Why optical rotation is important?
  • What contains D carvone?
  • Is carvone soluble in water?
  • Is carvone S or R?
  • What does R carvone smell like?
  • What is the principle of specific optical rotation?
  • What is the unit of specific rotation?
  • What are the properties of the carvone atom?
  • Which is an enantiomer of a carvone having ( are ) configuration?
  • What do the different forms of carvone taste like?
  • How does the use of carvone affect the environment?

What is the specific rotation for R carvone and S carvone?

61°
The specific rotation of (S)-carvone is (+)61°, measured ‘neat’ (pure liquid sample, no solvent). The optical rotation of a neat sample of a mixture of R and S carvone is measured at (-)23°.

What is the density of carvone g mL?

0.959 g/mL
0.959 g/mL at 25 °C (lit.)

What is the density of carvone?

960 kg/m³
Carvone/Density

What is the molar mass of carvone?

150.22 g/mol
Carvone/Molar mass

What is the formula of specific rotation?

The CRC Handbook of Chemistry and Physics defines specific rotation as: For an optically active substance, defined by [α]θλ = α/γl, where α is the angle through which plane polarized light is rotated by a solution of mass concentration γ and path length l.

Why optical rotation is important?

For a pure substance in solution, if the color and path length are fixed and the specific rotation is known, the observed rotation can be used to calculate the concentration. This usage makes a polarimeter a tool of great importance to those trading in or using sugar syrups in bulk.

What contains D carvone?

D carvone is the main constituent of the oil from caraway seeds, about 60 to 70%. The production of D carvone is about 10 ton per year. Its presence is there in dill seed oil also (40-60%) and in mandarin orange peel oil. Some forms of oils, like the ginger grass oil contain both the enantiomers.

Is carvone soluble in water?

Carvone

Names
Boiling point 231 °C (448 °F; 504 K) (91 °C @ 5 mmHg)
Solubility in water Insoluble (cold) Slightly soluble (hot)/soluble in trace amounts
Solubility in ethanol Soluble
Solubility in diethyl ether Soluble

Is carvone S or R?

The difference lies in the stereochemistry of carvone in each plant. Carvone has two possible enantiomers, stereomers that are non-superimposable mirror images. Thus, (R) carvone smells like spearmint and (S) carvone smells like caraway.

What does R carvone smell like?

Carvone forms two mirror image forms or enantiomers: R-(–)-carvone, or L-carvone, has a sweetish minty smell, like spearmint leaves. Its mirror image, S-(+)-carvone, or D-carvone, has a spicy aroma with notes of rye, like caraway seeds.

What is the principle of specific optical rotation?

Specific rotation equation, [α], is a fundamental property of chiral substances that is expressed as the angle to which the material causes polarized light to rotate at a particular temperature, wavelength, and concentration.

What is the unit of specific rotation?

Specific rotation of a compound is a characteristic property of the compound as long as the temperature, the wave length of the light, and, if a solution is used for the experiment, the solvent are specified. The units of specific rotation are degreesmLg-1dm-1.

What are the properties of the carvone atom?

3.1 Computed Properties Property Name Property Value Reference Topological Polar Surface Area 17.1 ² Computed by Cactvs 3.4.6.11 (PubChem rel Heavy Atom Count 11 Computed by PubChem Formal Charge 0 Computed by PubChem Complexity 223 Computed by Cactvs 3.4.6.11 (PubChem rel

Which is an enantiomer of a carvone having ( are ) configuration?

(-)-carvone is a carvone having (R) configuration. It is an enantiomer of a (+)-carvone. (S)-2-methyl-5- (1-Methylethenyl)-2-cyclohexen-1-one belongs to the class of organic compounds known as menthane monoterpenoids. These are monoterpenoids with a structure based on the o-, m-, or p-menthane backbone.

What do the different forms of carvone taste like?

IDENTIFICATION: Carvone is a pale-yellowish or colorless liquid. It has different forms, L-carvone, D-carvone and DL-carvone. L-Carvone smells and tastes like spearmint and d-carvone smells like caraway and has a taste like rye bread. Carvone is moderately soluble in water.

How does the use of carvone affect the environment?

Carvone’s production and use as a flavoring agent, in perfumery and soaps, and as a carminative may result in its release to the environment through various waste streams. The optically active form L-carvone ‘s use as an active ingredient in pesticides will result in its direct release to the environment.

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