5-methoxy-3,4-dihydro-2H-naphthalen-1-one

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Names

[ CAS No. ]:
33892-75-0

[ Name ]:
5-methoxy-3,4-dihydro-2H-naphthalen-1-one

[Synonym ]:
5-methoxy-3,4-dihydronaphthalene-1-one
5-methoxy-3,4-dihydronaphthalenone
EINECS 251-723-5
5-methoxy-3,4-dihydronaphthalen-1(2H)-one
5-Methoxytetralone
3,4-Dihydro-5-methoxy-1(2H)-naphthalenone
5-Methoxy-3,4-dihydro-1(2H)-naphthalenone
5-methoxy-1-oxo-1,2,3,4-tetrahydronaphthalene
5-Methoxy-1,2,3,4-tetrahydronaphthalen-1-one
1(2H)-Naphthalenone, 3,4-dihydro-5-methoxy-
5-Methoxy-1-tetralone
5-methoxy-1,2,3,4-tetrahydro-1-naphthalenone
MFCD00001692

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
313.0±0.0 °C at 760 mmHg

[ Melting Point ]:
87-91 °C(lit.)

[ Molecular Formula ]:
C11H12O2

[ Molecular Weight ]:
176.212

[ Flash Point ]:
153.1±18.4 °C

[ Exact Mass ]:
176.083725

[ PSA ]:
26.30000

[ LogP ]:
2.79

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.549

[ Storage condition ]:
2~8°C

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QK4800000
CHEMICAL NAME :
1(2H)-Naphthalenone, 3,4-dihydro-5-methoxy-
CAS REGISTRY NUMBER :
33892-75-0
BEILSTEIN REFERENCE NO. :
2047383
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C11-H12-O2
MOLECULAR WEIGHT :
176.23
WISWESSER LINE NOTATION :
L66 BVT&J GO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04088

Safety Information

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

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
R20/21/22

[ Safety Phrases ]:
S22-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
QK4800000

[ HS Code ]:
2914509090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 5-methoxy-3,4-dihydro-2H-naphthalen-1-one oxime
  • (ethyl carbonic) 4-(2-methoxyphenyl)butanoic anhydride
  • 5-METHOXY-1,2,3,4-TETRAHYDRO-1-NAPHTHOL
  • 8-chloro-5-methoxy-3,4-dihydro-2H-naphthalen-1-one
  • 1,5-Dihydroxynaphthalene
  • 3-4-(2-METHOXYPHENYL)PIPERAZINYLAZETIDINETRIHYDROCHLORIDE
  • 1-Chloro-4-methoxybenzene
  • 1-METHYL-2-OXO-1,2-DIHYDRO-QUINOLINE-4-CARBOXYLIC ACID
  • 3-(2-Methoxyphenyl)propanoic acid

DownStream

  • 5-methoxy-1,2,3,4-tetrahydronaphthalene
  • 1,2,3,4-TETRAHYDRO-1,5-NAPHTHALENEDIOL
  • 5-Methoxy-2-tetralone
  • Rhein
  • 1-CHLORO-5-METHOXY-3,4-DIHYDRO-NAPHTHALENE-2-CARBALDEHYDE
  • 1-Cyano-5-hydroxynaphthalene
  • 5-Hydroxy-1-tetralone
  • (1R)-5-methoxy-1,2,3,4-tetrahydronaphthalen-1-amine
  • 3-bromo-8-methoxy-1,2-dihydronaphthalene
  • 5-Methoxy-1-naphthalenol

Customs

[ HS Code ]: 2914509090

[ Summary ]:
HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Related Compounds

  • 5-methoxy-3,4-dihydro-2H-naphthalen-1-one oxime
  • 8-iodo-5-methoxy-3,4-dihydro-2H-naphthalen-1-one
  • 2-bromo-5-methoxy-3,4-dihydro-2H-naphthalen-1-one
  • 3-ethyl-5-methoxy-3,4-dihydro-2H-naphthalen-1-one
  • 8-chloro-5-methoxy-3,4-dihydro-2H-naphthalen-1-one
  • 8-hydroxy-5-methoxy-3,4-dihydro-2H-naphthalen-1-one