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HomeProduct name list3,7-DIMETHYL-1-OCTANOL

3,7-DIMETHYL-1-OCTANOL

  • CAS NO.:106-21-8
  • Empirical Formula: C10H22O
  • Molecular Weight: 158.28
  • MDL number: MFCD00002936
  • EINECS: 203-374-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-20 15:18:15
3,7-DIMETHYL-1-OCTANOL Structural

What is 3,7-DIMETHYL-1-OCTANOL?

Chemical properties

Clear colorless liquid

Chemical properties

Tetrahydrogeraniol has been identified in citrus oils and is a colorless liquid with a waxy, rose-petal-like odor. It is prepared by hydrogenation of geraniol or citronellol in the presence of a nickel catalyst and is a by-product in the synthesis of citronellol from geraniol or nerol. Because of its stability, it is often used to perfume household products.

Chemical properties

3,7-Dimethyl-1-octanol has a sweet, rosy odor and bitter tas

The Uses of 3,7-DIMETHYL-1-OCTANOL

3,7-Dimethyl-1-octanol was employed as medium supplement in the anaerobic enrichment cultures of Pseudomonas citronellolis.2

Preparation

Usually prepared by hydrogenation of geraniol, citronellol or citronellal.

Production Methods

3,7-Dimethyl-1-octanol is commercially produced by the reduction of geraniol or by the reduction of citronellol, citronellal, or citral. It is used in fragrances and in foods.

Aroma threshold values

Aroma characteristics at 1%: fresh fatty, waxy, soapy, aldehydic citrus with lemon, lime and orange nuances. It has rosy and green woody notes

Taste threshold values

Taste characteristics at 1 to 10 ppm: fatty, waxy, soapy with floral rosy and fresh citrus-woody nuances. Natural occurrence: Reported found in lemon, lemon peel oil and thyme; corresponds to the dl-form of dihydro-citronellol.

General Description

3,7-Dimethyl-1-octanol is an fragrance ingredient and its toxicologic and dermatologic review as a fragrance ingredient was reported.

Flammability and Explosibility

Non flammable

Safety Profile

Moderately toxic by skin contact. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

Properties of 3,7-DIMETHYL-1-OCTANOL

Melting point: -1.53°C (estimate)
Boiling point: 98-99 °C/9 mmHg (lit.)
Density  0.828 g/mL at 20 °C (lit.)
vapor density  5.4 (vs air)
vapor pressure  <0.01 mm Hg ( 20 °C)
refractive index  n20/D 1.436(lit.)
FEMA  2391 | 3,7-DIMETHYL-1-OCTANOL
Flash point: 203 °F
storage temp.  Sealed in dry,Room Temperature
solubility  Insoluble in water
form  Liquid
pka 15.13±0.10(Predicted)
color  Clear colorless
Odor at 100.00 %. waxy soapy aldehydic leathery musty citrus green
Water Solubility  64mg/L at 20℃
JECFA Number 272
BRN  1719638
CAS DataBase Reference 106-21-8(CAS DataBase Reference)
EPA Substance Registry System 1-Octanol, 3,7-dimethyl- (106-21-8)

Safety information for 3,7-DIMETHYL-1-OCTANOL

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
ghs
Environment
GHS09
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P273:Avoid release to the environment.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 3,7-DIMETHYL-1-OCTANOL

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