| Name | 4-Chloro-2-Hydroxy Benzoic Acid |
| Synonyms | 4-CSA Carnitine Tararate 4-CHLOROSALICYLIC ACI 4-CHLOROSALICYLIC ACID 4-Chlorosalicylic acid 4-chloro salicylic acid 4-chloro-2-hydroxybenzoate 4-Choro-2-hydroxy benzoic acid 4-CHLORO-2-HYDROXYBENZOIC ACID 4-Chloro-2-hydroxybenzoic acid 4-Chloro-2-Hydroxy Benzoic Acid |
| CAS | 5106-98-9 |
| EINECS | 225-829-7 |
| InChI | InChI=1/C7H5ClO3/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,9H,(H,10,11)/p-1 |
| Molecular Formula | C7H5ClO3 |
| Molar Mass | 172.56 |
| Density | 1.3766 (rough estimate) |
| Melting Point | 210-212 °C (lit.) |
| Boling Point | 244.67°C (rough estimate) |
| Flash Point | 148°C |
| Water Solubility | slightly soluble |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.000126mmHg at 25°C |
| Appearance | Powder |
| Color | Off-white to light beige |
| BRN | 2209125 |
| pKa | 2.71±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4580 (estimate) |
| MDL | MFCD00002449 |
| Physical and Chemical Properties | Melting Point 209-213°C water-soluble easily soluble |
| Use | It was used in sensitive spectrofluorometric determination of terbium in mixed rare earths and in preparation of poly(4-chlorosalicylic acid-formaldehyde) via condensation with formaldehyde. |
| In vitro study | 4-chlorosalicylic acid could inhibit both the diphenolase activity and the monophenolase activity of mushroom tyrosinase. 4-chlorosalicylic acid has broad-spectrum antimicrobial activity which could inhibits Gram-positive and Gram-negative bacteria and fungi. |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29182900 |
| Hazard Class | IRRITANT |