4-Difluorophenol
2,4-Difluorophenol
CAS: 367-27-1
Molecular Formula: C6H4F2O
4-Difluorophenol - Names and Identifiers
| Name | 2,4-Difluorophenol |
| Synonyms | 4-Difluorophenol 2,4-Difluorophenol 2,4-DIFLUOROPHENOL -2,4-Difluorophenol Phenol, 2,4-difluoro- 2,4- twodifluoro phenol |
| CAS | 367-27-1 |
| EINECS | 206-688-0 |
| InChI | InChI=1/C6H4F2O/c7-4-1-2-6(9)5(8)3-4/h1-3,9H |
| InChIKey | NVWVWEWVLBKPSM-UHFFFAOYSA-N |
4-Difluorophenol - Physico-chemical Properties
| Molecular Formula | C6H4F2O |
| Molar Mass | 130.09 |
| Density | 1.362 g/mL at 25 °C (lit.) |
| Melting Point | 22.4 °C (lit.) |
| Boling Point | 52-53 °C/19 mmHg (lit.) |
| Flash Point | 134°F |
| Water Solubility | slightly soluble |
| Appearance | powder to lump to clear liquid |
| Specific Gravity | 1.362 |
| Color | White or Colorless to Yellow |
| BRN | 1934803 |
| pKa | 8.72±0.18(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | n20/D 1.486(lit.) |
| Physical and Chemical Properties | Boiling point 52 ℃-53 ℃(19mmHg), melting point 22.4 ℃, flash point 56 ℃, refractive index 1.4860, specific gravity 1.362. |
| Use | Used as pesticide, pharmaceutical and dye intermediates |
4-Difluorophenol - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R34 - Causes burns R11 - Highly Flammable 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S16 - Keep away from sources of ignition. |
| UN IDs | 1992 |
| WGK Germany | 3 |
| HS Code | 29081000 |
| Hazard Note | Harmful |
| Hazard Class | 3 |
| Packing Group | III |
4-Difluorophenol - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| uses | an important pharmaceutical and pesticide intermediate, mainly used in the synthesis of herbicides, plant growth regulators, liquid crystals, etc., can also be used in the synthesis of dyes, plastics and rubber additives. Used as intermediate of pesticide, medicine and dye |
Last Update：2024-04-10 22:29:15
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