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-2-one, 3,4-dihydro-3,4,7,8-tetrahydroxy- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

693250-21-4

693250-21-4 structure

693250-21-4 structure

Name: 2H-1-Benzopyran-2-one, 3,4-dihydro-3,4,7,8-tetrahydroxy- (9CI)
Chemical Name: 3,4,7,8-Tetrahydroxy-2-chromanone
CAS Number: 693250-21-4
Molecular Formula: C₉H₈O₆
Molecular Weight: 212.156
Create Date: 2021-09-12 21:13:47
Modify Date: 2025-08-28 10:35:24

Names
Properties

Name	3,4,7,8-Tetrahydroxy-2-chromanone
Synonyms	2H-1-Benzopyran-2-one, 3,4-dihydro-3,4,7,8-tetrahydroxy- 3,4,7,8-Tetrahydroxy-2-chromanone

Density	1.9±0.1 g/cm3
Boiling Point	528.7±43.0 °C at 760 mmHg
Molecular Formula	C₉H₈O₆
Molecular Weight	212.156
Flash Point	220.9±21.7 °C
Exact Mass	212.032089
LogP	-1.03
Vapour Pressure	0.0±1.5 mmHg at 25°C
Index of Refraction	1.759

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