tetrahydro-2-methoxy-2H-pyran

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Names

[ CAS No. ]:
6581-66-4

[ Name ]:
tetrahydro-2-methoxy-2H-pyran

[Synonym ]:
2-Methoxytetrahydropyran
PYRAN,2-METHOXY-TETRAHYDRO
2-methoxytetrahydro-2H-pyran
MFCD00075264
tetrahydropyran-2-yl methyl ether
methoxydihydropyran
2H-Pyran,tetrahydro-2-methoxy
methoxytetrahydropyran
EINECS 229-509-8
Tetrahydro-2-methoxy-2H-pyran

Chemical & Physical Properties

[ Density]:
0.963 g/mL at 25ºC(lit.)

[ Boiling Point ]:
128-129ºC(lit.)

[ Molecular Formula ]:
C6H12O2

[ Molecular Weight ]:
116.15800

[ Flash Point ]:
77 °F

[ Exact Mass ]:
116.08400

[ PSA ]:
18.46000

[ LogP ]:
1.15940

[ Index of Refraction ]:
n20/D 1.425(lit.)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ0300000
CHEMICAL NAME :
Pyran, 2-methoxy-tetrahydro-
CAS REGISTRY NUMBER :
6581-66-4
BEILSTEIN REFERENCE NO. :
0102955
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C6-H12-O2
MOLECULAR WEIGHT :
116.18
WISWESSER LINE NOTATION :
T6OTJ BO1

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 :
2870 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583) Volume(issue)/page/year: -,6,1961
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583) Volume(issue)/page/year: -,6,1961

Safety Information

[ Hazard Codes ]:
F

[ Risk Phrases ]:
R10

[ Safety Phrases ]:
S16-S29-S33

[ RIDADR ]:
UN 1993 3/PG 3

[ WGK Germany ]:
2

[ RTECS ]:
UQ0300000

[ Packaging Group ]:
III

[ Hazard Class ]:
3.2

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (2R)-2-Methoxy-3,4-dihydro-2H-pyran
  • 3,4-Dihydro-2H-pyran
  • Methanol
  • 2H-Pyran,3-bromotetrahydro-2-methoxy-
  • 2H-Pyran,2-butoxytetrahydro-
  • 2-(3-Butyn-1-yloxy)tetrahydro-2H-pyran
  • 2H-Pyran,2-(2-chloroethoxy)tetrahydro-
  • 2-(oct-2'-ynyloxy)tetrahydro-2H-pyran
  • 2-BENZYLOXYTETRAHYDROPYRAN

DownStream

  • delta-Valerolactone
  • 5-Hydroxypentanoic acid methyl ester
  • methyl valerate
  • 1,5-Diiodopentane
  • 1,7-DIOXASPIRO[5.5]UNDECANE
  • 2-iodotetrahydropyran
  • methyl iodide
  • Tetrahydropyran
  • Methanol
  • 2-chloro-tetrahydropyran

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

  • Tetrahydro-2-(iodomethyl)-6-methoxy-2H-pyran-4-ol
  • tetrahydro-2-[(tetrahydro-3-furyl)methoxy]-2H-pyran
  • 2H-Pyran-2-carboxamide,tetrahydro-2-methoxy-(8CI)
  • 2H-Pyran-2-carboxylicacid,tetrahydro-2-methoxy-,(R)-(9CI)
  • 2H-Pyran-3-ol,tetrahydro-2-methoxy-, 3-benzoate, (2S,3R)-
  • 2H-Pyran-3,4-diamine,tetrahydro-2-methoxy-,[2S-(2alpha,3beta,4beta)]-(9CI)