1H-Indene,1-[(3,4,5-trimethoxyphenyl)methylene]-

Modify Date: 2025-08-25 12:40:14

1H-Indene,1-[(3,4,5-trimethoxyphenyl)methylene]- structure	Common Name	1H-Indene,1-[(3,4,5-trimethoxyphenyl)methylene]-
	CAS Number	2428-31-1	Molecular Weight	294.34400
	Density	1.169g/cm3	Boiling Point	443.5ºC at 760 mmHg
	Molecular Formula	C₁₉H₁₈O₃	Melting Point	N/A
	MSDS	N/A	Flash Point	151.4ºC

Name	Indene, 1-(3,4,5-trimethoxybenzylidene)

Density	1.169g/cm3
Boiling Point	443.5ºC at 760 mmHg
Molecular Formula	C₁₉H₁₈O₃
Molecular Weight	294.34400
Flash Point	151.4ºC
Exact Mass	294.12600
PSA	27.69000
LogP	4.27980
Vapour Pressure	1.2E-07mmHg at 25°C
Index of Refraction	1.622
InChIKey	VUWQTQJXINKVKM-XNTDXEJSSA-N
SMILES	COc1cc(C=C2C=Cc3ccccc32)cc(OC)c1OC

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NK8800000

CHEMICAL NAME :: Indene, 1-(3,4,5-trimethoxybenzylidene)-

CAS REGISTRY NUMBER :: 2428-31-1

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C19-H18-O3

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 :: 320 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#04625

HS Code	2909309090

3,4,5-Trimethoxybenzaldehyde structure

3,4,5-Trimethox...

CAS#:86-81-7

Indene structure

Indene

CAS#:95-13-6

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1H-Indene,1-[(3,4,5-trimethoxyphenyl)methylene]- Structure

1H-Indene,1-[(3...

CAS#:2428-31-1

Literature: Bahner,C.T. et al. Journal of Medicinal Chemistry, 1965 , vol. 8, p. 390 - 392

Precursor 2
CAS#:86-81-7 3,4,5-Trimethox... CAS#:95-13-6 Indene
DownStream 0

HS Code	2909309090
Summary	2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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