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: Naphtho[1,8-bc]pyran-7,8-dione, 2,3-dihydro- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

350670-68-7

350670-68-7 structure

350670-68-7 structure

Name: Naphtho[1,8-bc]pyran-7,8-dione, 2,3-dihydro- (9CI)
Chemical Name: 2,3-Dihydrobenzo[de]chromene-7,8-dione
CAS Number: 350670-68-7
Molecular Formula: C₁₂H₈O₃
Molecular Weight: 200.19000
Create Date: 2018-01-08 22:04:21
Modify Date: 2025-08-25 10:45:43

Names
Properties

Name	2,3-Dihydrobenzo[de]chromene-7,8-dione
Synonyms	Naphtho[1,8-bc]pyran-7,8-dione, 2,3-dihydro- 2,3-Dihydrobenzo[de]chromene-7,8-dione

Density	1.4±0.1 g/cm3
Boiling Point	412.0±45.0 °C at 760 mmHg
Molecular Formula	C₁₂H₈O₃
Molecular Weight	200.19000
Flash Point	188.7±28.8 °C
Exact Mass	200.04700
PSA	43.37000
LogP	1.54
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.644

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