4-Methoxy-6-methyl-2H-pyran-2-one

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Names

[ CAS No. ]:
672-89-9

[ Name ]:
4-Methoxy-6-methyl-2H-pyran-2-one

[Synonym ]:
MFCD00006640
4-methoxy-6-methylpyran-2-one
EINECS 211-600-9

Chemical & Physical Properties

[ Density]:
1.14g/cm3

[ Boiling Point ]:
280.3ºC at 760 mmHg

[ Melting Point ]:
83-86ºC

[ Molecular Formula ]:
C7H8O3

[ Molecular Weight ]:
140.13700

[ Flash Point ]:
112.6ºC

[ Exact Mass ]:
140.04700

[ PSA ]:
39.44000

[ LogP ]:
0.95680

[ Appearance of Characters ]:
Solid

[ Index of Refraction ]:
1.492

[ Water Solubility ]:
Poorly soluble in water.

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ1225500
CHEMICAL NAME :
2H-Pyran-2-one, 4-methoxy-6-methyl-
CAS REGISTRY NUMBER :
672-89-9
BEILSTEIN REFERENCE NO. :
0115970
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C7-H8-O3
MOLECULAR WEIGHT :
140.15
WISWESSER LINE NOTATION :
T6OVJ DO1 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 :
820 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,617,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
650 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,617,1969

Safety Information

[ WGK Germany ]:
3

[ RTECS ]:
UQ1225500

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • triacetate lactone
  • Dimethyl sulfate
  • Trimethyl phosphate
  • Methyl p-toluenesulfonate
  • Acetone
  • diazomethane
  • Methanol
  • 2-Ethoxypropene
  • isopropenyl isopropyl ether
  • 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one

DownStream

  • Yangonin
  • methyl 4-methoxy-2-methylbenzoate
  • Methyl 3-methoxy-5-methylbenzoate
  • 1,3-Dimethoxy-5-methylbenzene
  • 11-Methoxyyangonin
  • 4H-Pyran-3-carboxylicacid,6-methyl-4-oxo-(9CI)
  • 4-methoxy-6-methyl-2-pyrone-3-carboxaldehyde
  • 5,6-Dehydro-7,8-dihydrokawain
  • 4-methoxy-6-[2-(4-methoxyphenyl)ethyl]pyran-2-one

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%

Related Compounds

  • 3-Nitro-4-methoxy-6-methyl-2H-pyran-2-one
  • 3-Bromo-4-methoxy-6-methyl-2H-pyran-2-one
  • 3-formyl-4-methoxy-6-methyl-2H-pyran-2-one
  • 5,6-Dihydro-4-methoxy-6-methyl-2H-pyran-2-one
  • 5-(1-hydroxyethyl)-4-methoxy-6-methyl-2H-pyran-2-one
  • 5-(2-Hydroxyethyl)-4-methoxy-6-methyl-2H-pyran-2-one