4-Fluorobenzoic acid
4-Fluorobenzoic acid
CAS: 456-22-4
Molecular Formula: C7H5FO2
4-Fluorobenzoic acid - Names and Identifiers
| Name | 4-Fluorobenzoic acid |
| Synonyms | PFBA AKOS 92636 fluorobenzoicacid RARECHEM AL BO 0053 4-fluoro-benzoicaci TIMTEC-BB SBB008568 4-FLUOROBENZOIC ACID P-FLUOROBENZOIC ACID 4-Fluorobenzoic acid Benzoicacid,4-fluoro- Benzoic acid, p-fluoro- para-Fluorobenzoic acid Fluorobenzoicacid min white powder p-Fluorobenzoic Acid 4-Fluorobenzoic Acid |
| CAS | 456-22-4 |
| EINECS | 207-259-0 |
| InChI | InChI=1/C7H5FO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10) |
| InChIKey | BBYDXOIZLAWGSL-UHFFFAOYSA-N |
4-Fluorobenzoic acid - Physico-chemical Properties
| Molecular Formula | C7H5FO2 |
| Molar Mass | 140.11 |
| Density | 1.479 |
| Melting Point | 182-184 °C (lit.) |
| Boling Point | 117 °C |
| Flash Point | 107.2°C |
| Water Solubility | Soluble in alcohol, hot water, methanol, and ether. Very slightly soluble in cold water. |
| Solubility | Soluble in alcohol, ether and hot water, slightly soluble in cold water |
| Vapor Presure | 0.00936mmHg at 25°C |
| Appearance | White solid |
| Color | White to slightly yellow |
| Merck | 14,4171 |
| BRN | 1906922 |
| pKa | 4.15(at 25℃) |
| Storage Condition | Sealed in dry,Room Temperature |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.537 |
| MDL | MFCD00002530 |
| Physical and Chemical Properties | White crystals, mp:161-163 °c, slightly soluble in cold water. Soluble in hot water, soluble in most organic solvents. |
| Use | Used as pesticide, pharmaceutical intermediates |
4-Fluorobenzoic acid - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R41 - Risk of serious damage to eyes R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S24/25 - Avoid contact with skin and eyes. S22 - Do not breathe dust. S37/39 - Wear suitable gloves and eye/face protection S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | T |
| HS Code | 29163900 |
| Hazard Class | IRRITANT |
4-Fluorobenzoic acid - Introduction
It has a special sweet taste.
Last Update：2022-10-16 17:25:18
4-Fluorobenzoic acid - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| properties | p-fluorobenzoic acid is an organic intermediate, slightly soluble in cold water, soluble in hot water, and easily soluble in most organic solvents. |
| application | p-fluorobenzoic acid is a carboxylic acid derivative, which can be used as a pesticide and pharmaceutical intermediate. It is reported that p-fluorobenzoic acid can be used to prepare p-fluorobenzaldehyde. |
| use | organic synthesis intermediate. Standard reagent for the determination of fluorine by organic microanalysis. p-fluorobenzoic acid can be used as an intermediate of pesticide and medicine, and as an intermediate of fungicide flumorph. Used for high-resolution charge density research |
| Production method | Ethyl p-aminobenzoate reacts with fluoroboric acid after diazotization, and the obtained diazo-fluoroborate salt is heated and decomposed to generate ethyl p-fluorobenzoic acid, and then it is hydrolyzed to obtain p-fluorobenzoic acid. the preparation method is to react p-fluorobenzaldehyde with sodium borate (NaBO3 · 4H2O) in acetic acid solution at a temperature of 40~50 ℃ for about 1h to obtain the product. |
Last Update：2024-04-09 21:21:28
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