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(-)-FENCHONE

(-)-FENCHONE
(-)-FENCHONE structure
CAS No.
4695-62-9
Chemical Name:
(-)-FENCHONE
Synonyms
FENCHONE;L-FENCHONE;fenchanone;(S)-Fenchone;(-)-FENCHONE;2-fenchanone;(1S)-Fenchone;L(-)-FENCHONE;FENCHONE, (-)-;ALPHA-FENCHONE
CBNumber:
CB9283112
Molecular Formula:
C10H16O
Formula Weight:
152.23
MOL File:
4695-62-9.mol

(-)-FENCHONE Properties

Melting point:
5-6 °C(lit.)
Boiling point:
192-194 °C(lit.)
alpha 
D20 +66.9°
Density 
0.948 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.461(lit.)
FEMA 
2479 | D-FENCHONE
Flash point:
127 °F
storage temp. 
2-8°C
form 
Liquid
color 
Clear colorless to pale yellow
optical activity
[α]20/D +62±1°, neat
JECFA Number
1396
Merck 
14,3968
BRN 
2206555
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Risk Statements  10
Safety Statements  23-24/25
RIDADR  UN 1224 3/PG 3
WGK Germany  3
RTECS  RB7875200
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29142990
Toxicity LD50 orally in rats: 6.16 g/kg (Jenner)
Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

(-)-FENCHONE price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 46208 (+)-Fenchone analytical standard 4695-62-9 1ml-f $36.6 2018-11-13 Buy
Sigma-Aldrich 00380590 (+)-Fenchone primary reference standard 4695-62-9 100mg $253 2018-11-13 Buy
TCI Chemical F0163 (+)-Fenchone >98.0%(GC) 4695-62-9 25mL $77 2018-11-22 Buy
Sigma-Aldrich CRM40747 (+)-Fenchone solution certified reference material, 2000 μg/mL in methanol, ampule of 1 mL 4695-62-9 crm40747 $81.3 2018-11-23 Buy
Sigma-Aldrich 46208 (+)-Fenchone analytical standard 4695-62-9 5ml-f $111 2018-11-13 Buy

(-)-FENCHONE Chemical Properties,Uses,Production

Description

d-Fenchone has a camphor-like odor, powerful and sweet, and a warm, somewhat bitter, burning taste. d-Fenchone is isolated from cedarleaf oil (thuja oil).

Chemical Properties

d-Fenchone has a camphor-like odor, powerful and sweet and a warm, somewhat bitter, burning taste.

Chemical Properties

clear colorless to pale yellow liquid

Occurrence

Reported found in several essential oils: Thuja plicata, Thuja occidentalis, Thuja standishii, Russian anise, fennel, a few Artemisia varieties (A frigida, A verlotorum, A santolinaefolia), Lavanda stoechas, Lavanda burmannii, and others; the highest levels are found in fennel oil (12 to 19%); two optically active forms have been isolated Also reported found in basil, caraway, cedar leaf oil, cloves, dill, licorice and thyme

Uses

As flavor in foods; in perfumes.

Definition

ChEBI: A fenchone that has 1S,4R stereochemistry. A colourless, oily liquid found in fennel oil, it is used in perfumery and as flavour in foods.

Preparation

Isolated from cedarleaf oil (thuja oil).

Aroma threshold values

Detection: 510 ppb; aroma characteristics at 1.0%: cooling camphoreous, terpy, spicy, sweet mentholic pine-like.

Taste threshold values

Taste characteristics at 5 ppm: cooling camphoreous, with green citrus lime nuances.

Purification Methods

The oily liquid is purified by distillation in a vacuum and is very soluble in EtOH and Et2O. [Boyle et al. J Chem Soc, Chem Commun 395 1971, Hückel Justus Liebigs Ann Chem 549 186 1941, (±)-isomer: Braun & Jacob Chem Ber 66 1461 1933.] It forms two oximes, cis-oxime: m 167o (crystallises from pet ether) [] D +46.5o (c 2, EtOH), O-benzoyloxime m 81o, [] D +49o

(-)-FENCHONE Preparation Products And Raw materials

Raw materials

Preparation Products


(-)-FENCHONE Suppliers

Global( 54)Suppliers
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Hubei Jusheng Technology Co.,Ltd.
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(-)-FENCHONE Spectrum


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