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110-86-1
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110-86-1
| Pyridine Basic information | |
| Chemical Structure Chemical properties Productions Uses Toxicity information Hazards References | |
| Product Name: | Pyridine |
| Synonyms: | pyridinecarboxylicacid,2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1h-imidazol-2-yl)-5-methyl;pyridinecarboxylicacid,2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1h-imidazol-2-yl)-5-methyl,monoammoniumsalt;Rcra waste number U196;rcrawastenumberu196;FEMA 2932;FEMA 2966;FEMA NUMBER 2966;azabenzene |
| CAS: | 110-86-1 |
| MF: | C5H5N |
| MW: | 79.1 |
| EINECS: | 203-809-9 |
| Mol File: | 110-86-1.mol |
| Pyridine Chemical Properties | |
| Melting point | -42 °C (lit.) |
| Boiling point | 115 °C (lit.) |
| density | 0.978 g/mL at 25 °C (lit.) |
| vapor density | 2.72 (vs air) |
| vapor pressure | 23.8 mm Hg ( 25 °C) |
| refractive index | n20/D 1.509(lit.) |
| FEMA | 2966 | PYRIDINE |
| Fp | 68 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: in accordance |
| pka | 5.25(at 25℃) |
| form | Liquid |
| color | colorless |
| Odor | Nauseating odor detectable at 0.23 to 1.9 ppm (mean = 0.66 ppm) |
| Relative polarity | 0.302 |
| PH | 8.81 (H2O, 20℃) |
| explosive limit | 12.40% |
| Odor Threshold | 0.063ppm |
| Water Solubility | Miscible |
| FreezingPoint | -42℃ |
| λmax | λ: 305 nm Amax: 1.00 |
| λ: 315 nm Amax: 0.15 | |
| λ: 335 nm Amax: 0.02 | |
| λ: 350-400 nm Amax: 0.01 | |
| Merck | 147,970 |
| BRN | 103233 |
| Henry's Law Constant | 18.4 at 30 °C (headspace-GC, Chaintreau et al., 1995) |
| Exposure limits | TLV-TWA 5 ppm (～15 mg/m3) (ACGIH, MSHA,and OSHA); STEL 10 ppm (ACGIH), IDLH 3600 ppm (NIOSH). |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents, strong acids. |
| InChIKey | JUJWROOIHBZHMG-UHFFFAOYSA-N |
| LogP | 0.64 at 20℃ |
| CAS DataBase Reference | 110-86-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyridine(110-86-1) |
| IARC | 2B (Vol. 77, 119) 2019 |
| EPA Substance Registry System | Pyridine (110-86-1) |
| Pyridine Basic information | |
| Chemical Structure Chemical properties Productions Uses Toxicity information Hazards References | |
| Product Name: | Pyridine |
| Synonyms: | pyridinecarboxylicacid,2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1h-imidazol-2-yl)-5-methyl;pyridinecarboxylicacid,2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1h-imidazol-2-yl)-5-methyl,monoammoniumsalt;Rcra waste number U196;rcrawastenumberu196;FEMA 2932;FEMA 2966;FEMA NUMBER 2966;azabenzene |
| CAS: | 110-86-1 |
| MF: | C5H5N |
| MW: | 79.1 |
| EINECS: | 203-809-9 |
| Mol File: | 110-86-1.mol |
| Pyridine Chemical Properties | |
| Melting point | -42 °C (lit.) |
| Boiling point | 115 °C (lit.) |
| density | 0.978 g/mL at 25 °C (lit.) |
| vapor density | 2.72 (vs air) |
| vapor pressure | 23.8 mm Hg ( 25 °C) |
| refractive index | n20/D 1.509(lit.) |
| FEMA | 2966 | PYRIDINE |
| Fp | 68 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: in accordance |
| pka | 5.25(at 25℃) |
| form | Liquid |
| color | colorless |
| Odor | Nauseating odor detectable at 0.23 to 1.9 ppm (mean = 0.66 ppm) |
| Relative polarity | 0.302 |
| PH | 8.81 (H2O, 20℃) |
| explosive limit | 12.40% |
| Odor Threshold | 0.063ppm |
| Water Solubility | Miscible |
| FreezingPoint | -42℃ |
| λmax | λ: 305 nm Amax: 1.00 |
| λ: 315 nm Amax: 0.15 | |
| λ: 335 nm Amax: 0.02 | |
| λ: 350-400 nm Amax: 0.01 | |
| Merck | 147,970 |
| BRN | 103233 |
| Henry's Law Constant | 18.4 at 30 °C (headspace-GC, Chaintreau et al., 1995) |
| Exposure limits | TLV-TWA 5 ppm (～15 mg/m3) (ACGIH, MSHA,and OSHA); STEL 10 ppm (ACGIH), IDLH 3600 ppm (NIOSH). |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents, strong acids. |
| InChIKey | JUJWROOIHBZHMG-UHFFFAOYSA-N |
| LogP | 0.64 at 20℃ |
| CAS DataBase Reference | 110-86-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyridine(110-86-1) |
| IARC | 2B (Vol. 77, 119) 2019 |
| EPA Substance Registry System | Pyridine (110-86-1) |
