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

2558-18-1

2558-18-1 structure

2558-18-1 structure

Name: 4-Fluorobenzylidenephthalide
Chemical Name: 3-[(4-Fluorophenyl)methylene]phthalide
CAS Number: 2558-18-1
Molecular Formula: C₁₅H₉FO₂
Molecular Weight: 240.22900
Create Date: 2018-12-27 10:28:33
Modify Date: 2025-08-25 09:15:12

Name	3-[(4-Fluorophenyl)methylene]phthalide
Synonyms	4-FLUOROBENZYLIDENEPHTHALIDE <p-Fluor-benzyliden>-phthalid Einecs 219-877-8 <4-Fluor-benzyliden>-phthalid 3-<4-Fluor-benzyliden>-phthalid 4-Fluorobenzalphthalide

Density	1.349g/cm3
Boiling Point	372.3ºC at 760mmHg
Melting Point	140-142ºC
Molecular Formula	C₁₅H₉FO₂
Molecular Weight	240.22900
Flash Point	172.9ºC
Exact Mass	240.05900
PSA	26.30000
LogP	3.49420
Vapour Pressure	9.72E-06mmHg at 25°C
Index of Refraction	1.665

HS Code	2932209090

85-44-9 structure

85-44-9

405-50-5 structure

405-50-5

~%

2558-18-1 structure

2558-18-1

Literature: Bulletin de l'Academie Polonaise des Sciences, Serie des Sciences Chimiques, , vol. 7, p. 289,290

Precursor 2
85-44-9 405-50-5
DownStream 1
957-56-2

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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