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(R)- 5,6-Dihydro-6-pentyl-2H-pyran-2-one

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Origin: China

Cas No: 51154-96-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 51154-96-2 Formula: C10H16O2 Molecular Weight: 168.23300

Description

Massoia lactone is an alkyl lactone derived from the bark of the Massoia tree (Cryptocaria massoia) which is found in Papua, Indonesia though the compound can also be found as a component of cane sugar molasses, cured tobacco and the essential oil of Sweet Osmanthus (Osmanthus fragrans).
Once widely used as a natural coconut flavouring, natural massoia lactone has been largely superseded by a synthetic alternative because the extraction process is expensive and the tree is killed during the process of removing the bark.
Massoia lactone has an odour that is described as sweet, coconut meat, lactonic, creamy, milky and waxy and, at a dilution of 20 ppm, a taste described as creamy, coconut, green and slightly fruity.

Basic Info

Chemical Name	(R)- 5,6-Dihydro-6-pentyl-2H-pyran-2-one
Synonyms	(R)-2-decen-5-olide; (R)-5,6-Dihydro-6-pentyl-2H-pyran-2-one; (R)-(-)-massoialactone; (6R)-6-Pentyl-5,6-dihydro-2H-pyran-2-one; Massoilactone; massoia lactone; (R)-(-)-6-pentyl-5,6-dihydro-2H-pyran-2-one; 2H-Pyran-2-one,5,6-dihydro-6-pentyl-,(6R); massiolactone; massoia lactone (min.);
CAS No.	51154-96-2
Molecular Formula	C10H16O2
Molecular Weight	168.23300
PSA	26.30000
LogP	2.43840

Properties

Density	0.964g/cm3
Boiling Point	287ºC at 760mmHg
Flash Point	115.8ºC
Refractive Index	1.458

Safety Info

HS Code	2932999099

Synthesis Route

→(R)- 5,6-Dihydro-6-pentyl-2H-pyran-2-one
(R)-non-1-en-4-yl acrylate→(R)- 5,6-Dihydro-6-pentyl-2H-pyran-2-one
carbon dioxide→(R)- 5,6-Dihydro-6-pentyl-2H-pyran-2-one

Precursor

carbon dioxide
(R)-non-1-en-4-yl acrylate
methyl (5R)-5-hydroxy-3-methylidenedecanoate

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