Molecular Structure of 2-Methyltetrahydrothiophen-3-one (CAS NO.13679-85-1):

IUPAC Name: 2-Methylthiolan-3-one 
Molecular Formula: C₅H₈OS
Molecular Weight: 116.18
XLogP3-AA: 0.8
H-Bond Donor: 0
H-Bond Acceptor: 1 
EINECS: 237-183-3 
Index of Refraction: 1.512
Molar Refractivity: 31.44 cm³
Molar Volume: 104.6 cm³
Surface Tension: 35.8 dyne/cm
Boiling Point: 180 °C at 760 mmHg
Density: 1.109 g/cm³
Flash Point: 72.1 °C
Enthalpy of Vaporization: 41.62 kJ/mol
Vapour Pressure: 0.917 mmHg at 25 °C
Canonical SMILES: CC1C(=O)CCS1
InChI: InChI=1S/C5H8OS/c1-4-5(6)2-3-7-4/h4H,2-3H2,1H3
InChIKey: YMZZPMVKABUEBL-UHFFFAOYSA-N
Product Categories: API intermediates; thiophene Flavor; Alphabetical Listings; Flavors and Fragrances; M-N; Sulfides flavors

 2-Methyltetrahydrothiophen-3-one (CAS NO.13679-85-1) can be used for laboratory reagent and organic intermediate.

Safety Information of 2-Methyltetrahydrothiophen-3-one (CAS NO.13679-85-1):
Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3

 2-Methyltetrahydrothiophen-3-one (CAS NO.13679-85-1), its Synonyms are 2-Methyl-3-oxotetrahydrothiophene ; 2-Methyl-4,5-dihydro-3(2H)-thiophenone ; 2-Methylthiolan-3-one ; 3(2H)-Thiophenone, dihydro-2-methyl- ; Dihydro-2-methyl-3(2H)-thiophenone ; Dihydro-2-methyl-3-thiophenone .