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-hydroxy-3-methyl-2-phenyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

18651-15-5

18651-15-5 structure

18651-15-5 structure

Name: 4H-1-Benzopyran-4-one,7-hydroxy-3-methyl-2-phenyl-
Chemical Name: 7-hydroxy-3-methyl-2-phenylchromen-4-one
CAS Number: 18651-15-5
Molecular Formula: C₁₆H₁₂O₃
Molecular Weight: 252.26500
Create Date: 2019-01-01 18:49:00
Modify Date: 2025-08-25 19:50:11

Name	7-hydroxy-3-methyl-2-phenylchromen-4-one
Synonyms	7-Hydroxy-3-methyl-2-phenyl-chromen-4-on 3-methyl-7-hydroxyflavone 7-hydroxy-3-methyl-2-phenyl-chromen-4-one 7-hydroxy-3-methyl-2-phenylchromone 7-Hydroxy-3-methylflavone

Density	1.289g/cm3
Boiling Point	452.2ºC at 760mmHg
Melting Point	278ºC
Molecular Formula	C₁₆H₁₂O₃
Molecular Weight	252.26500
Flash Point	173.3ºC
Exact Mass	252.07900
PSA	50.44000
LogP	3.47400
Vapour Pressure	8.57E-09mmHg at 25°C
Index of Refraction	1.643

HS Code	2914400090

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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