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: 2,3-Dihydro-3,9-dimethylphenanthro[2,1-b]furan-4,5-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

56804-88-7

56804-88-7 structure

56804-88-7 structure

Name: 2,3-Dihydro-3,9-dimethylphenanthro[2,1-b]furan-4,5-dione
Chemical Name: 3,9-Dimethyl-2,3-dihydrophenanthro[2,1-b]furan-4,5-dione
CAS Number: 56804-88-7
Molecular Formula: C₁₈H₁₄O₃
Molecular Weight: 278.302
Create Date: 2021-09-12 22:09:36
Modify Date: 2025-11-13 10:39:29

Names
Properties

Name	3,9-Dimethyl-2,3-dihydrophenanthro[2,1-b]furan-4,5-dione
Synonyms	Phenanthro[2,1-b]furan-4,5-dione, 2,3-dihydro-3,9-dimethyl- 3,9-Dimethyl-2,3-dihydrophenanthro[2,1-b]furan-4,5-dione

Density	1.3±0.1 g/cm3
Boiling Point	468.4±45.0 °C at 760 mmHg
Molecular Formula	C₁₈H₁₄O₃
Molecular Weight	278.302
Flash Point	209.9±28.8 °C
Exact Mass	278.094299
LogP	4.01
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.637

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