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, 2-(4-CHLOROPHENYL)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

10420-75-4

10420-75-4 structure

10420-75-4 structure

Name: 4H-1-BENZOPYRAN-4-ONE, 2-(4-CHLOROPHENYL)-
Chemical Name: 2-(4-chlorophenyl)chromen-4-one
CAS Number: 10420-75-4
Molecular Formula: C₁₅H₉ClO₂
Molecular Weight: 256.68400
Create Date: 2017-05-01 19:36:09
Modify Date: 2025-09-26 16:54:42

Name	2-(4-chlorophenyl)chromen-4-one
Synonyms	4'-Chloroflavone

Density	1.342g/cm3
Boiling Point	391ºC at 760mmHg
Molecular Formula	C₁₅H₉ClO₂
Molecular Weight	256.68400
Flash Point	163.7ºC
Exact Mass	256.02900
PSA	30.21000
LogP	4.11340
Vapour Pressure	2.54E-06mmHg at 25°C
Index of Refraction	1.642

HS Code	2914700090

Precursor 9
3033-96-3 104-88-1 118-93-4 1351986-51-0
65599-34-0 106-39-8 201230-82-2 491-38-3
1679-18-1
DownStream 1
19275-70-8

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

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