Product Description of Phenol CAS#108-95-2
Phenol, with the chemical formula C₆H₅OH (C₆H₆O), is a white crystalline compound characterized by its excellent versatility and chemical reactivity, which are attributed to the hydroxyl group attached to the benzene ring.
It is widely used as an important intermediate in the synthesis of pharmaceuticals, including aspirin, and plays a significant role in the production of resins, plastics, and synthetic fibers such as nylon. Historically, phenol has been used as a disinfectant due to its ability to denature proteins and disrupt cell membranes.
In addition, phenol is applied in the detergent industry and analytical chemistry. Due to its high reactivity and potential toxicity, proper handling procedures and safety precautions are required. Phenol is biodegradable but should be managed with appropriate waste treatment methods to minimize environmental impact. Its unique chemical properties and extensive applications make it a vital material in various industrial processes.
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Phenol Chemical Properties
| Melting point | 40-42 °C(lit.) |
| Boiling point | 182 °C(lit.) |
| density | 1.071 g/mL at 25 °C(lit.) |
| vapor density | 3.24 (vs air) |
| vapor pressure | 0.09 psi ( 55 °C) |
| refractive index | n20/D 1.53 |
| FEMA | 3223 | PHENOL |
| Fp | 175 °F |
| storage temp. | 2-8°C |
| solubility | H2O: 50 mg/mL at 20 °C, clear, colorless |
| form | liquid |
| pka | 9.89(at 20℃) |
| Specific Gravity | 1.071 |
| color | faintly yellow |
| PH | 6.47(1 mM solution);5.99(10 mM solution);5.49(100 mM solution); |
| Odor | Sweet, medicinal odor detectable at 0.06 ppm |
| explosive limit | 1.3-9.5%(V) |
| Odor Threshold | 0.0056ppm |
| Odor Type | phenolic |
| Water Solubility | 8 g/100 mL |
| FreezingPoint | 41℃ |
| Sensitive | Air & Light Sensitive |
| Merck | 147241 |
| JECFA Number | 690 |
| BRN | 969616 |
| Henry's Law Constant | 1.09 at 5 °C (average derived from six field experiments, Lüttke and Levsen, 1997) |
| Dielectric constant | 4.3（10℃） |
| Exposure limits | TLV-TWA skin 5 ppm (～19 mg/m3 ) (ACGIH, MSHA, and OSHA); 10-hour TWA 5.2 ppm (～20 mg/m3 ) (NIOSH); ceiling 60 mg (15 minutes) (NIOSH); IDLH 250 ppm (NIOSH). |
| Stability: | Hygroscopic |
| InChIKey | ISWSIDIOOBJBQZ-UHFFFAOYSA-N |
| LogP | 1.47 at 30℃ |
| CAS DataBase Reference | 108-95-2(CAS DataBase Reference) |
| IARC | 3 (Vol. 47, 71) 1999 |
| NIST Chemistry Reference | Phenol(108-95-2) |
| EPA Substance Registry System | Phenol (108-95-2) |
Safety Information
| Hazard Codes | T,C,F,Xn |
| Risk Statements | 23/24/25-34-48/20/21/22-68-40-39/23/24/25-11-36-20/21/22-24/25 |
| Safety Statements | 26-36/37/39-45-36/37-28A-28-24/25-1/2-36-16-7 |
| RIDADR | UN 2821 6.1/PG 2 |
| OEB | A |
| OEL | TWA: 5 ppm (19 mg/m3), Ceiling: 15.6 ppm (60 mg/m3) [15-minute] [skin] |
| WGK Germany | 2 |
| RTECS | SJ3325000 |
| F | 46257 |
| Autoignition Temperature | 715 °C |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 29071100 |
| Hazardous Substances Data | 108-95-2(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 530 mg/kg (Deichmann, Witherup) |
| IDLA | 250 ppm |
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