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9-Fluorenone-4-carboxylic acid

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Origin: China

Cas No: 6223-83-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 6223-83-2 Formula: C14H8O3 Molecular Weight: 224.21200

Basic Info

Chemical Name	9-Fluorenone-4-carboxylic acid
Synonyms	9H-Fluorene-4-carboxylic acid, 9-oxo-; 9-oxofluorene-4-carboxylic acid;
CAS No.	6223-83-2
Molecular Formula	C14H8O3
Molecular Weight	224.21200
PSA	54.37000
LogP	2.59620

Properties

Appearance & Physical State	Light yellow green powder
Density	1.424 g/cm3
Boiling Point	476.5ºC at 760 mmHg
Melting Point	225-227ºC
Flash Point	256.1ºC

Safety Info

Safety Statements	S22-S24/25
HS Code	2918300090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

2,2'-biphenyl diboronic acid→methyl 9-oxofluorene-4-carboxylate+9-Fluorenone-4-carboxylic acid
methyl 2-(2-methoxycarbonylphenyl)benzoate→methyl 9-oxofluorene-4-carboxylate+9-Fluorenone-4-carboxylic acid
biphenyl-2,2'-dicarboxylic acid→9-Fluorenone-4-carboxylic acid

Precursor

Diphenic anhydride
benzo[d][2]benzazepine-5,7-dione
2-carboxy-2'-(aminocarboxyl)-1,1'-biphenyl
[1,1'-biphenyl]-2,2'-dicarboxamide

Downstream Product

4-aminofluoren-9-one
fluorene
9H-fluoren-4-ol
methyl 2,5,7-trinitro-9-oxofluorene-4-carboxylate

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