455-38-9
3-Fluorobenzoic acid
CAS: 455-38-9
Molecular Formula: C7H5FO2
455-38-9 - Names and Identifiers
| Name | 3-Fluorobenzoic acid |
| Synonyms | 3-fluorobenzoate 3-Fluorbenzoesure 3-Fluorobenzoi acid 3-fluoro-benzoicaci RARECHEM AL BO 0038 3-Fluorobenzonicacid M-FLUOROBENZOIC ACID 3-Fluorobenzoic acid LABOTEST-BB LT01148320 meta-Fluorobenzoic acid Benzoic acid, m-fluoro- 1-chloro-4-fluorobezene Fluorobenzoicacidwhitepowder m-Fluorobenzoic Acid 3-Fluorobenzoic Acid |
| CAS | 455-38-9 |
| EINECS | 207-248-0 |
| InChI | InChI=1/C7H5FO2/c8-6-3-1-2-5(4-6)7(9)10/h1-4H,(H,9,10)/p-1 |
455-38-9 - Physico-chemical Properties
| Molecular Formula | C7H5FO2 |
| Molar Mass | 140.11 |
| Density | 1.474 |
| Melting Point | 122-124 °C (lit.) |
| Boling Point | 226.1°C (rough estimate) |
| Flash Point | 105.7°C |
| Water Solubility | Very soluble in water. |
| Solubility | 1.5g/l |
| Vapor Presure | 0.0109mmHg at 25°C |
| Appearance | White powder |
| Color | White to light yellow |
| BRN | 1906920 |
| pKa | 3.86(at 25℃) |
| Storage Condition | Sealed in dry,Room Temperature |
| MDL | MFCD00002489 |
| Physical and Chemical Properties | Melting Point 121-125°C |
455-38-9 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R37/38 - Irritating to respiratory system and skin. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S28 - After contact with skin, wash immediately with plenty of soap-suds. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 1 |
| TSCA | T |
| HS Code | 29163900 |
| Hazard Class | IRRITANT |
455-38-9 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| uses | intermediates in medicine, pesticides and liquid crystal materials. Used as an intermediate in organic synthesis |
| production method | 1, deamination method?????? It is obtained by deamination of 2-amino -5-chlorobenzoic acid. 2. Hydrolysis of m-chloro-trichlorotoluene???? 40 parts of m-chloro-trichlorotoluene were added to 3100 parts of 1% sodium hydroxide aqueous solution and reacted at 97~99 ℃ for 1.5h, with a yield of 98%. 3. Benzoic acid chloride method???????? Add 0.1mol of benzoic acid and 0.1mol of silver chloride to a mixture of 100ml of concentrated sulfuric acid and 15ml of water, add to 135ml of carbon tetrachloride dissolved 7.8g of chlorine under cooling, and stir for 3 hours to obtain m-chlorobenzoic acid and by-product dichlorobenzoic acid. 4. m-chlorotoluene oxidation method????? m-chlorotoluene was obtained by liquid phase catalytic oxidation at 95 ℃ in acetic acid containing Co(OAc)2 and sodium bromide in a yield of 95% ~ 96%. |
Last Update：2024-04-09 02:00:08
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