Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-methoxy-3,4-dihydro-2H-naphthalen-1-one
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5-methoxy-3,4-dihydro-2H-naphthalen-1-one
Price: ￥230.0/5g ￥90.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Methoxy-1-tetralone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

33892-75-0

33892-75-0 structure

33892-75-0 structure

Name: 5-methoxy-3,4-dihydro-2H-naphthalen-1-one
Chemical Name: 5-methoxy-3,4-dihydro-2H-naphthalen-1-one
CAS Number: 33892-75-0
Molecular Formula: C₁₁H₁₂O₂
Molecular Weight: 176.212
Create Date: 2018-12-07 09:30:14
Modify Date: 2025-08-27 21:37:42

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

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

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

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

Precursor 9
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
DownStream 10
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

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%

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