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Product Name: (R)-massoia lactone
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51154-96-2

51154-96-2 structure

51154-96-2 structure

Name: (R)-2-decen-5-olide
Chemical Name: (R)- 5,6-Dihydro-6-pentyl-2H-pyran-2-one
CAS Number: 51154-96-2
Molecular Formula: C₁₀H₁₆O₂
Molecular Weight: 168.23300
Catalog: Flavors and spices Synthetic spice Carboxylic acid and ester perfume Aromatic carboxylic acid ester
Create Date: 2018-03-14 08:00:00
Modify Date: 2025-08-21 20:11:16

Name	(R)- 5,6-Dihydro-6-pentyl-2H-pyran-2-one
Synonyms	Massoilactone (R)-(-)-6-pentyl-5,6-dihydro-2H-pyran-2-one (R)-2-decen-5-olide massoia lactone massoia lactone (min.) massiolactone (6R)-6-Pentyl-5,6-dihydro-2H-pyran-2-one (R)-5,6-Dihydro-6-pentyl-2H-pyran-2-one 2H-Pyran-2-one,5,6-dihydro-6-pentyl-,(6R) (R)-(-)-massoialactone

Density	0.964g/cm3
Boiling Point	287ºC at 760mmHg
Molecular Formula	C₁₀H₁₆O₂
Molecular Weight	168.23300
Flash Point	115.8ºC
Exact Mass	168.11500
PSA	26.30000
LogP	2.43840
Index of Refraction	1.458

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ0550000

CHEMICAL NAME :: 2H-Pyran-2-one, 5,6-dihydro-6-pentyl-, (R)-

CAS REGISTRY NUMBER :: 51154-96-2

BEILSTEIN REFERENCE NO. :: 4177048

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H16-O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1890 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Behavioral - convulsions or effect on seizure threshold

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 14,40,1964

HS Code	2932999099

Precursor 5
263238-28-4 124-38-9 110549-07-0 135294-89-2
4071-85-6
DownStream 0

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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