4,6-Dimethyl-2H-pyran-2-one

Names

[ CAS No. ]:
675-09-2

[ Name ]:
4,6-Dimethyl-2H-pyran-2-one

[Synonym ]:
2H-Pyran-2-one, 4,6-dimethyl-
T6OVJ D1 F1
MFCD00075555
4,6-Dimethyl-α-pyrone
4,6-dimethylpyran-2-one
EINECS 211-618-7
4,6-Dimethyl-2H-pyran-2-one

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
245.0±0.0 °C at 760 mmHg

[ Melting Point ]:
48-50 °C(lit.)

[ Molecular Formula ]:
C₇H₈O₂

[ Molecular Weight ]:
124.137

[ Flash Point ]:
90.1±16.1 °C

[ Exact Mass ]:
124.052429

[ PSA ]:
30.21000

[ LogP ]:
0.98

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.485

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ0700000

CHEMICAL NAME :: 2H-Pyran-2-one, 4,6-dimethyl-

CAS REGISTRY NUMBER :: 675-09-2

BEILSTEIN REFERENCE NO. :: 0002468

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C7-H8-O2

MOLECULAR WEIGHT :: 124.15

WISWESSER LINE NOTATION :: T6OVJ D1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 750 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 2,109,1946

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
UQ0700000

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ 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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