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: 2H-1-Benzopyran-3-carboxylicacid, 3,4-dihydro-2-oxo-, ethyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

720-72-9

720-72-9 structure

720-72-9 structure

Name: 2H-1-Benzopyran-3-carboxylicacid, 3,4-dihydro-2-oxo-, ethyl ester
Chemical Name: ethyl 2-oxo-3,4-dihydrochromene-3-carboxylate
CAS Number: 720-72-9
Molecular Formula: C₁₂H₁₂O₄
Molecular Weight: 220.22100
Create Date: 2017-08-05 11:58:24
Modify Date: 2025-12-30 10:11:39

Names
Properties

Name	ethyl 2-oxo-3,4-dihydrochromene-3-carboxylate
Synonyms	3-Ethoxycarbonyl-3,4-dihydrocoumarin dihydro-3-ethoxycarbonylcoumarin 3-carbethoxy-3,4-dihydrocoumarin 3.4-Dihydro-cumarin-carbonsaeure-(3)-aethylester Ethyl 2-oxochroman-3-carboxylate 2-oxo-chroman-3-carboxylic acid ethyl ester 3-Aethoxycarbonyl-3,4-dihydro-cumarin

Density	1.237g/cm3
Boiling Point	343.8ºC at 760mmHg
Molecular Formula	C₁₂H₁₂O₄
Molecular Weight	220.22100
Flash Point	173.4ºC
Exact Mass	220.07400
PSA	52.60000
LogP	1.32740
Index of Refraction	1.539

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