9-Oxo-9H-fluorene-4-carboxylic acid

Modify Date: 2026-07-20 19:11:05

9-Oxo-9H-fluorene-4-carboxylic acid Structure
9-Oxo-9H-fluorene-4-carboxylic acid structure
Common Name 9-Oxo-9H-fluorene-4-carboxylic acid
CAS Number 6223-83-2 Molecular Weight 224.212
Density 1.4±0.1 g/cm3 Boiling Point 476.5±24.0 °C at 760 mmHg
Molecular Formula C14H8O3 Melting Point 225-227 °C(lit.)
MSDS Chinese USA Flash Point 256.1±19.4 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 9-Fluorenone-4-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.4±0.1 g/cm3
Boiling Point 476.5±24.0 °C at 760 mmHg
Melting Point 225-227 °C(lit.)
Molecular Formula C14H8O3
Molecular Weight 224.212
Flash Point 256.1±19.4 °C
Exact Mass 224.047348
PSA 54.37000
LogP 3.26
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.701
InChIKey AFQYQSWTVCNJQT-UHFFFAOYSA-N
SMILES O=C(O)c1cccc2c1-c1ccccc1C2=O

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2918300090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 9-Oxo-9H-fluorene-4-carboxylic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT
Name: AlphaScreen-based biochemical high throughput primary assay to identify activators of...
Source: The Scripps Research Institute Molecular Screening Center
Target: N/A
External Id: FBW7_ACT_ALPHA_1536_1X%ACT PRUN
Name: AlphaScreen-based biochemical high throughput primary assay to identify inhibitors of...
Source: The Scripps Research Institute Molecular Screening Center
External Id: MITF_INH_Alpha_1536_1X%INH PRUN
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

9-Oxo-9H-fluorene-4-carboxylic acid
EINECS 228-311-9
MFCD00001145
9-oxofluorene-4-carboxylic acid

 9-Oxo-9H-fluorene-4-carboxylic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of 9-Fluorenone-4-carboxylic acid?
A: Molecular weight of 9-Fluorenone-4-carboxylic acid is 224.212.
Q: What is the LogP of 9-Fluorenone-4-carboxylic acid?
A: LogP of 9-Fluorenone-4-carboxylic acid is 3.26.
Q: What English synonyms does 9-Fluorenone-4-carboxylic acid have?
A: English synonyms of 9-Fluorenone-4-carboxylic acid: 9-Oxo-9H-fluorene-4-carboxylic acid, EINECS 228-311-9, MFCD00001145, 9-oxofluorene-4-carboxylic acid.
Q: What is the boiling point of 9-Fluorenone-4-carboxylic acid?
A: Boiling point of 9-Fluorenone-4-carboxylic acid is 476.5±24.0 °C at 760 mmHg.
Q: What is the safety information for 9-Fluorenone-4-carboxylic acid?
A: Safety information for 9-Fluorenone-4-carboxylic acid: S22-S24/25.
Q: What is the InChIKey of 9-Fluorenone-4-carboxylic acid?
A: InChIKey of 9-Fluorenone-4-carboxylic acid is AFQYQSWTVCNJQT-UHFFFAOYSA-N.
Q: What is the molecular formula of 9-Fluorenone-4-carboxylic acid?
A: Molecular formula of 9-Fluorenone-4-carboxylic acid is C14H8O3.
Q: What is the melting point of 9-Fluorenone-4-carboxylic acid?
A: Melting point of 9-Fluorenone-4-carboxylic acid is 225-227 °C(lit.).
Q: What is the CAS number of 9-Fluorenone-4-carboxylic acid?
A: CAS number of 9-Fluorenone-4-carboxylic acid is 6223-83-2.
Q: What is the English name of 9-Fluorenone-4-carboxylic acid?
A: The English name of 9-Fluorenone-4-carboxylic acid is 9-Fluorenone-4-carboxylic acid.

 9-Oxo-9H-fluorene-4-carboxylic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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