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-Nitro-6H-dibenzo(b,d)pyran-6-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

51640-90-5

51640-90-5 structure

51640-90-5 structure

Name: 4-Nitro-6H-dibenzo(b,d)pyran-6-one
Chemical Name: 4-Nitro-6H-benzo[c]chromen-6-one
CAS Number: 51640-90-5
Molecular Formula: C₁₃H₇NO₄
Molecular Weight: 241.199
Create Date: 2021-09-14 17:16:34
Modify Date: 2025-08-26 18:38:22

Names
Properties

Name	4-Nitro-6H-benzo[c]chromen-6-one
Synonyms	4-nitro-6H-dibenzo(b,d)pyran-6-one 4-Nitro-6H-benzo[c]chromen-6-one 4-Nitro-6H-dibenzo[b,d]pyran-6-one 6H-Dibenzo[b,d]pyran-6-one, 4-nitro-

Density	1.5±0.1 g/cm3
Boiling Point	442.8±24.0 °C at 760 mmHg
Molecular Formula	C₁₃H₇NO₄
Molecular Weight	241.199
Flash Point	217.1±24.9 °C
Exact Mass	241.037506
LogP	3.68
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.674

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