o-phenylhydroquinone
biphenyl-2,5-diol
CAS: 1079-21-6
Molecular Formula: C12H10O2
o-phenylhydroquinone - Names and Identifiers
| Name | biphenyl-2,5-diol |
| Synonyms | biphenyl-2,5-diol PHENYLHYDROQUINONE phenyl-hydroquinon o-phenylhydroquinone Hydroquinone, phenyl- 1,1'-(BIPHENYL)-2,5-DIOL 2-Phenyl-1,4-benzenediol 1,4-Benzenediol, phenyl- 2-Phenyl-1,4-dihydroxybenzene Biphenyl-2,5-diol2,5-Dihydroxybiphenyl |
| CAS | 1079-21-6 |
| EINECS | 214-091-1 |
| InChI | InChI=1/C12H10O2/c13-10-6-7-12(14)11(8-10)9-4-2-1-3-5-9/h1-8,13-14H |
o-phenylhydroquinone - Physico-chemical Properties
| Molecular Formula | C12H10O2 |
| Molar Mass | 186.21 |
| Density | 1.228 |
| Melting Point | 98-100°C(lit.) |
| Boling Point | 280.69°C (rough estimate) |
| Flash Point | 192.3°C |
| Solubility | Chloroform (Slightly), DMSO (Slightly) |
| Vapor Presure | 2.06E-06mmHg at 25°C |
| Appearance | Solid |
| Color | Needles from EtOH (aq) |
| BRN | 1949429 |
| pKa | 10.46±0.18(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.6010 (estimate) |
| MDL | MFCD00002342 |
o-phenylhydroquinone - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - 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 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | DV4550000 |
| FLUKA BRAND F CODES | 1-10 |
| TSCA | Yes |
| Toxicity | dnd-esc 10 mmol/L CBINA8 76,163,90 |
o-phenylhydroquinone - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | abdominal cavity-mouse LDL0: 250 mg/kg; Intravenous-mouse LD50: 22 mg/kg |
| flammability hazard characteristics | combustible; combustion produces stimulating smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
Last Update：2024-04-09 21:01:54
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