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: 4H-1-Benzopyran-4-one, 7-(bromomethyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

331683-65-9

331683-65-9 structure

331683-65-9 structure

Name: 4H-1-Benzopyran-4-one, 7-(bromomethyl)-
Chemical Name: 7-(Bromomethyl)-4H-chromen-4-one
CAS Number: 331683-65-9
Molecular Formula: C₁₀H₇BrO₂
Molecular Weight: 239.065
Create Date: 2018-03-07 17:56:43
Modify Date: 2025-08-25 20:19:07

Names
Properties

Name	7-(Bromomethyl)-4H-chromen-4-one
Synonyms	4H-1-Benzopyran-4-one, 7-(bromomethyl)- 7-(Bromomethyl)-4H-chromen-4-one

Density	1.6±0.1 g/cm3
Boiling Point	339.7±42.0 °C at 760 mmHg
Molecular Formula	C₁₀H₇BrO₂
Molecular Weight	239.065
Flash Point	159.2±27.9 °C
Exact Mass	237.962936
LogP	2.08
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.634

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