Description
1,4-Benzoquinone Chemical Properties
| Melting point | 113-115 °C(lit.) |
| Boiling point | 293°C |
| density | 1.31 |
| vapor density | 3.73 (vs air) |
| vapor pressure | 0.1 mm Hg ( 25 °C) |
| refractive index | n20/D 1.453 |
| Fp | 38°C |
| storage temp. | room temp |
| solubility | 10g/l |
| form | Powder |
| pka | 7.7 |
| color | Yellow to green |
| PH | 4 (1g/l, H2O, 20℃) |
| Odor | irritant odor |
| Water Solubility | 10 g/L (25 ºC) |
| Merck | 14,8074 |
| BRN | 773967 |
| Exposure limits | TLV-TWA 0.4 mg/m3 (0.1 ppm); STEL 1.2 mg/m3 (0.3 ppm) (ACGIH); IDLH 75 ppm (NIOSH). |
| Stability: | Stable, but light sensitive. Incompatible with strong oxidizing agents. Flammable. |
| InChIKey | AZQWKYJCGOJGHM-UHFFFAOYSA-N |
| LogP | 0.1-0.3 at 23℃ and pH4.8-5.3 |
| CAS DataBase Reference | 106-51-4(CAS DataBase Reference) |
| NIST Chemistry Reference | p-Benzoquinone(106-51-4) |
| IARC | 3 (Vol. 15, Sup 7, 71) 1999 |
| EPA Substance Registry System | Quinone (106-51-4) |
Safety Information
| Hazard Codes | T,N,Xn,F |
| Risk Statements | 23/25-36/37/38-50-20/21/22-11 |
| Safety Statements | 26-28-45-61-28A-23-16 |
| RIDADR | UN 2587 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | DK2625000 |
| F | 8 |
| Autoignition Temperature | 815 °F |
| TSCA | Yes |
| HS Code | 2914 69 80 |
| HazardClass | 6.1 |
| PackingGroup | II |
| Hazardous Substances Data | 106-51-4(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 130 mg/kg (Woodard) |
| IDLA | 100 mg/m3 |
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