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(3S,3aS,7aR)-3,6-dimethyl-3a,4,5,7a-tetrahydro-3H-1-benzofuran-2-one

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начало: Китай

Кас Но: 182699-77-0

Спецификация: 99%наименьший

минимальный объем заказа: 1 /kg

снабженческая способность: 50 mt/month

опережающий период: OEM 7 дней, пятно 3 дня

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CAS No.: 182699-77-0 Formula: C10H14O2 Molecular Weight: 166.21700

Description

Wine lactone is a pleasant smelling compound found naturally in apples, orange juice, grapefruit juice, orange essential oil, clementine peel oil and various grape wines. It was first discovered as an essential oil metabolite in Koala urine by Southwell in 1975. It was discovered several years later by Guth in white wines and was named "wine lactone". This monoterpene imparts "coconut, woody and sweet" odors to a wine. There are 8 possible isomers of wine lactone with the (3S, 3a S, 7aR) isomer being the only one that has been found in wine. This isomer is also the most potent of all eight with an odor detection threshold of 10ng/L in model wine.
The odor threshold of the (3S,3aS,7aR)-wine lactone stereoisomer is 0.00001-0.00004ng/l in air.

Basic Info

Chemical Name	(3S,3aS,7aR)-3,6-dimethyl-3a,4,5,7a-tetrahydro-3H-1-benzofuran-2-one
Synonyms	Wine lactone;
CAS No.	182699-77-0
Molecular Formula	C10H14O2
Molecular Weight	166.21700
PSA	26.30000
LogP	1.90420

Properties

Density	1.042 g/cm3
Boiling Point	286.3ºC at 760 mmHg
Flash Point	115.5ºC
Refractive Index	1.484
Vapor Pressure	0.00266mmHg at 25°C

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	ZB-5	-	1459.	temperature ramp
Capillary	DB-5	-	1459.	temperature ramp
Capillary	ZB-5	-	1470.	temperature ramp
Capillary	DB-5	-	1467.	temperature ramp
Capillary	DB-1	-	1409.	temperature ramp

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