Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-ethyl-4-methyl-7-[2-oxo-2-(4-phenylphenyl)ethoxy]chromen-2-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

670244-08-3

670244-08-3 structure

670244-08-3 structure

Name: 3-ethyl-4-methyl-7-[2-oxo-2-(4-phenylphenyl)ethoxy]chromen-2-one
Chemical Name: 7-[2-(4-Biphenylyl)-2-oxoethoxy]-3-ethyl-4-methyl-2H-chromen-2-one
CAS Number: 670244-08-3
Molecular Formula: C₂₆H₂₂O₄
Molecular Weight: 398.451
Create Date: 2021-10-08 12:25:17
Modify Date: 2025-08-26 09:36:50

Names
Properties

Name	7-[2-(4-Biphenylyl)-2-oxoethoxy]-3-ethyl-4-methyl-2H-chromen-2-one
Synonyms	MFCD03661753 2H-1-Benzopyran-2-one, 7-(2-[1,1'-biphenyl]-4-yl-2-oxoethoxy)-3-ethyl-4-methyl- 7-[2-(4-Biphenylyl)-2-oxoethoxy]-3-ethyl-4-methyl-2H-chromen-2-one

Density	1.2±0.1 g/cm3
Boiling Point	613.8±55.0 °C at 760 mmHg
Molecular Formula	C₂₆H₂₂O₄
Molecular Weight	398.451
Flash Point	266.0±31.5 °C
Exact Mass	398.151794
LogP	6.41
Vapour Pressure	0.0±1.8 mmHg at 25°C
Index of Refraction	1.598

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