4,4-DIPYRIDYL
4,4'-Bipyridine
CAS: 553-26-4
Molecular Formula: C10H8N2
4,4-DIPYRIDYL - Names and Identifiers
| Name | 4,4'-Bipyridine |
| Synonyms | 'LGC' (1608) 4,4-DIPYRIDYL 4,4-Bipyridyl 4,4-BIPYRIDINE 4,4'-dipyridyl 4,4'-DIPYRIDYL 4,4'-Bipyridine 4,4'-BIPYRIDINE 4, 4'-DIPYRIDINE GAMMA,GAMMA-DIPYRIDYL gamma,gamma'-Dipyridyl GAMMA,GAMMA'-DIPYRIDYL |
| CAS | 553-26-4 |
| EINECS | 209-036-3 |
| InChIKey | MWVTWFVJZLCBMC-UHFFFAOYSA-N |
4,4-DIPYRIDYL - Physico-chemical Properties
| Molecular Formula | C10H8N2 |
| Molar Mass | 156.18 |
| Density | 1.2814 (rough estimate) |
| Melting Point | 109-112°C(lit.) |
| Boling Point | 305°C(lit.) |
| Flash Point | 304-305°C |
| Water Solubility | slightly soluble |
| Solubility | 4.5g/l |
| Vapor Presure | 0.00154mmHg at 25°C |
| Appearance | Colorless crystal |
| Color | Off-white to beige |
| Maximum wavelength(λmax) | ['300nm(CH3CN)(lit.)'] |
| Merck | 14,3348 |
| BRN | 113176 |
| pKa | pK1:3.17(+2);pK2:4.82(+1) (25°C) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents, strong acids. |
| Sensitive | Hygroscopic |
| Refractive Index | 1.6057 (estimate) |
| MDL | MFCD00006416 |
| Physical and Chemical Properties | Properties: hygroscopic, colorless or light yellow crystals, soluble in ethanol and ether. Soluble in hot water, alcohol, benzene and chloroform. Reagents for the determination of iron, organic synthesis/pharmaceutical intermediates. Cool, dry and sealed storage, inhalation of toxic. Solubility: soluble in ethanol and ether |
| Use | For organic synthesis, pharmaceutical intermediates |
4,4-DIPYRIDYL - Risk and Safety
| Risk Codes | R25 - Toxic if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21 - Harmful by inhalation and in contact with skin. R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. |
| 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.) |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | DW1760000 |
| TSCA | Yes |
| HS Code | 29333999 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 172 mg/kg |
4,4-DIPYRIDYL - Introduction
Soluble in ethanol and ether, insoluble in water.
Last Update：2022-10-16 17:26:18
4,4-DIPYRIDYL - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | for organic synthesis, pharmaceutical intermediates |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 172 mg/kg |
| flammability hazard characteristics | flammability; Toxic NOx smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from food raw materials |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
Last Update：2024-04-10 22:29:15
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