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

Modify Date: 2026-07-04 10:04:26

5-methoxy-3,4-dihydro-2H-naphthalen-1-one Structure
5-methoxy-3,4-dihydro-2H-naphthalen-1-one structure
Common Name 5-methoxy-3,4-dihydro-2H-naphthalen-1-one
CAS Number 33892-75-0 Molecular Weight 176.212
Density 1.1±0.1 g/cm3 Boiling Point 313.0±0.0 °C at 760 mmHg
Molecular Formula C11H12O2 Melting Point 87-91 °C(lit.)
MSDS Chinese USA Flash Point 153.1±18.4 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-methoxy-3,4-dihydro-2H-naphthalen-1-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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
InChIKey BRCPWISABURVIH-UHFFFAOYSA-N
SMILES COc1cccc2c1CCCC2=O
Storage condition 2~8°C

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

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

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

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
5-Methoxy-1-tetralone
5-methoxy-1,2,3,4-tetrahydro-1-naphthalenone
MFCD00001692

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: InChIKey of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one is BRCPWISABURVIH-UHFFFAOYSA-N.
Q: What is the molecular weight of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: Molecular weight of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one is 176.212.
Q: What is the LogP of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: LogP of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one is 2.79.
Q: What are the upstream materials of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: Related upstream materials(CAS) of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one: 30069-58-0;77814-39-2;61982-91-0;34910-81-1;83-56-7;33209-75-5;623-12-1;63213-94-5;6342-77-4.
Q: What is the safety information for 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: Safety information for 5-methoxy-3,4-dihydro-2H-naphthalen-1-one: S22-S24/25.
Q: What is the SMILES notation of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: SMILES notation of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one is COc1cccc2c1CCCC2=O.
Q: What are the downstream products of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: Related downstream products(CAS) of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one: 1008-19-1;40771-26-4;32940-15-1;478-43-3;187963-07-1;20816-78-8;28315-93-7;103882-27-5;158440-98-3;3588-80-5.
Q: What is the polar surface area (PSA) of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: Polar surface area (PSA) of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one is 26.30000.
Q: What is the boiling point of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: Boiling point of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one is 313.0±0.0 °C at 760 mmHg.
Q: What is the CAS number of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one?
A: CAS number of 5-methoxy-3,4-dihydro-2H-naphthalen-1-one is 33892-75-0.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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