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: 4,6,7-Trihydroxy-5-benzofuranacrylic acid delta-lactone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

857019-99-9

857019-99-9 structure

857019-99-9 structure

Name: 4,6,7-Trihydroxy-5-benzofuranacrylic acid delta-lactone
Chemical Name: 5,6-Dihydroxy-2H-furo[2,3-h]chromen-2-one
CAS Number: 857019-99-9
Molecular Formula: C₁₁H₆O₅
Molecular Weight: 218.162
Create Date: 2018-06-29 20:39:41
Modify Date: 2025-08-25 15:06:58

Names
Properties

Name	5,6-Dihydroxy-2H-furo[2,3-h]chromen-2-one
Synonyms	5,6-Dihydroxy-2H-furo[2,3-h]chromen-2-one 2H-Furo[2,3-h]-1-benzopyran-2-one, 5,6-dihydroxy-

Density	1.7±0.1 g/cm3
Boiling Point	505.2±50.0 °C at 760 mmHg
Molecular Formula	C₁₁H₆O₅
Molecular Weight	218.162
Flash Point	259.3±30.1 °C
Exact Mass	218.021530
LogP	0.67
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.757

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