6223-83-2
6223-83-2 structure
- Name: 9-Oxo-9H-fluorene-4-carboxylic acid
- Chemical Name: 9-Fluorenone-4-carboxylic acid
- CAS Number: 6223-83-2
- Molecular Formula: C14H8O3
- Molecular Weight: 224.212
- Catalog: Chemical reagent Organic reagent Aromatic acid
- Create Date: 2018-08-10 16:04:31
- Modify Date: 2026-07-20 19:11:05
| Name | 9-Fluorenone-4-carboxylic acid |
|---|---|
| Synonyms |
9-ketofluorene-4-cboxylic acid
9-oxo-9H-fluorene-4-cboxylate 9-Fluorenone-4-cboxylicAcid> 9-Oxofluorene-4-cboxylic acid,9-Fluorenone-4-cboxylic acid RECHEM AL BO EINECS 228-311-9 9-FLUORENONE-4-CBOXYLIC ACID 9-oxo-4-fluorenecboxylate 9-OXO-9H-FLUORENE-4-CBOXYLIC ACID 9-Fluorenone-4-cboxylicacid 9-Fluorenone-4-cboxylicaci 9-Fluorenone-4-cbo 9-OXO-4-FLUORENECBOXYLIC ACID 9H-Fluorene-4-cboxylic acid, 9-oxo 9-Oxofluoren-4-cbonsure 9-OXOFLUORENE-4-CBOXYLIC ACID Einecs -9 4-Cboxy-9-fluorenone MFCD00001145 9-oxofluorene-4-carboxylic acid |
| 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 |
| 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 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
![[1,1'-Biphenyl]-2,2'-dicarboximide structure](https://image.chemsrc.com/caspic/099/3864-08-2.png)
![[1,1'-biphenyl]-2,2'-dicarboxamide structure](https://image.chemsrc.com/caspic/216/39950-05-5.png)
![3-amino-7-methyl-5-[4-(trifluoromethoxy)phenyl]-2-oxa-8,9-diazabicyclo[4.3.0]nona-3,6,9-triene-4-carbonitrile structure](https://image.chemsrc.com/caspic/204/6926-84-7.png)
![[1,1'-Biphenyl]-2,2'-dicarboxylicacid, 2,2'-dimethyl ester structure](https://image.chemsrc.com/caspic/039/5807-64-7.png)
![[1,1'-BIPHENYL]-2,2'-DICARBONYL DICHLORIDE structure](https://image.chemsrc.com/caspic/441/7535-15-1.png)
| 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% |