Basic information Safety Supplier Related

GEOSMIN

Basic information Safety Supplier Related

GEOSMIN Basic information

Product Name:
GEOSMIN
Synonyms:
  • 4,8a-Dimethyloctahydro-4a(2H)-naphthalenol
  • 4a(2H)-Naphthalenol, octahydro-4,8a-dimethyl-, [4S-(4alpha,4aalpha,8abeta)]-
  • 4a(2H)-Naphthalenol, octahydro-4,8a-dimethyl-,(4alpha,4aalpha,8abeta)-
  • 4a-alpha-(2H)-Naphthol, octahydro-4-alpha,8a-beta-dimethyl-
  • octahydro-4,8a-dimethyl-,(4s-(4-alpha,4a-alpha,8a-beta))-4a(2h)-naphthaleno
  • octahydro-4-alpha,8a-beta-dimethyl-4a-alpha-(2h)-naphtho
  • [4S-(4alpha,4aalpha,8abeta)]-octahydro-4,8a-dimethyl-4a(2H)-naphthol
  • geosmin,octahydro-4,8a-dimethyl-4a(2H)-Naphthalenol
CAS:
19700-21-1
MF:
C12H22O
MW:
182.3
EINECS:
243-239-8
Product Categories:
  • Pharmaceuticals, Intermediates & Fine Chemicals
Mol File:
19700-21-1.mol
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GEOSMIN Chemical Properties

alpha 
D25 -16.5°
Boiling point:
bp 270°
Density 
0.985±0.06 g/cm3(Predicted)
storage temp. 
-20°C
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Oil
pka
15.23±0.60(Predicted)
color 
Colourless
Odor
at 1.00 % in dipropylene glycol. fresh musty earthy soil
Odor Type
earthy
Odor Threshold
0.0000065ppm
LogP
3.497 (est)
EPA Substance Registry System
4a(2H)-Naphthalenol, octahydro-4,8a-dimethyl-, (4S,4aS,8aR)- (19700-21-1)
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GEOSMIN Usage And Synthesis

Description

Geosmin and other volatile compounds are produced by a variety of bacteria, cyanobacteria, algae, and fungi. They are responsible for some of the odors of water supplies and food sources. Odor production is greatest when nutrient production and dissolved oxygen are high.

Uses

Geosmin is an earthly odorant resposible for the strong scent (petrichor) that occurs in the air when rain falls after a dry spell of weather or when soil is disturbed.

Uses

Geosmin is an earthly odorant responsible for the strong scent (petrichor) that occurs in the air when rain falls after a dry spell of weather or when soil is disturbed.

Definition

ChEBI: (-)-geosmin is the (-)-stereoisomer of geosmin, having 4S,4aS,8aR configuration. It is an enantiomer of a (+)-geosmin.

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