4-Vinylpyridine - Names and IdentifiersName4-VinylpyridineSynonyms4-VinylpyridineVinylpyridine,
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| Nombre | 4-Vinylpyridine |
| Sinónimos | 4-Vinylpyridine Vinylpyridine,4- 4-vinyl pyridine 4-ethenylpyridine 4-Ethenylpyridine 1-(4-Pyridinyl)ethene 4-vinylpyridine monomer 4-Vinylpyridine (stabilized with TBC) |
| CAS | 100-43-6 |
| EINECS | 202-852-0 |
| InChI | InChI=1/C7H7N/c1-2-7-3-5-8-6-4-7/h2-6H,1H2 |
| Fórmula Molecular | C7H7N |
| Masa Molar | 105.14 |
| Densidad | 0.975 g/mL at 25 °C (lit.) |
| punto Boling | 62-65 °C/15 mmHg (lit.) |
| Punto Flash | 125°F |
| Disolución del agua | 29 G/L (20 ºC) |
| Presión de vapor | 2.28hPa at 25℃ |
| Apariencia | Liquid |
| color | Clear colorless to yellow-brown |
| Exposure Limit | ACGIH: TWA 1 mg/m3OSHA: TWA 2 mg/m3NIOSH: IDLH 50 mg/m3; Ceiling 2 mg/m3 |
| BRN | 104506 |
| PKa | pK1:5.62(+1) (25°C) |
| Condición de almacenamiento | -20°C |
| Estabilidad | Stable. Incompatible with strong acids, strong oxidizing agents. |
| Índice de refracción | n20/D 1.549(lit.) |
| Propiedades físicas y químicas | Colorless liquid. Boiling Point 121 ℃(20kPa),80-81 ℃(4.0kPa),54 ℃(0.93kPa), relative density 0.988(20/4 ℃), refractive index 1.5525, flash point 51 ℃. In 100g20 deg C water can be dissolved in 2.9g, water in 42.3g of the product can be dissolved in methanol, ether, benzene, acetone, slightly soluble in ether. When exposed to light and heat, polymerization occurs, and 0.1%-0.2% of hydroquinone is often added as a polymerization inhibitor during storage. |
| Símbolos de peligro | T - Toxic |
| Códigos de riesgo | R10 - Inflamable R25 - Toxic if swallowed R34 - Causes burns R42/43 - May cause sensitization by inhalation and skin contact. R23/25 - Toxic by inhalation and if swallowed. |
| Descripción de seguridad | S23 - Do not breathe vapour. S26 En caso de contacto con los ojos, enjuagar inmediatamente con mucha agua y buscar asesoramiento médico. S36/37/39 Usar ropa de protección adecuada, guantes y protección ocular/facial. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - S16 Mantener alejado de fuentes de ignición. |
| UN IDs | UN 3073 6.1/PG 2 |
| WGK Alemania | 3 |
| RTECS | UU1045000 |
| FLUKA BRAND F CODES | 8-10 |
| TSCA | Yes |
| Número de aranceles | 29333990 |
| Clase de peligro | 6.1 |
| Packing Group | II |
| LogP | 1.36 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| uses | monomers useful as intermediates and polymers in organic synthesis. Applied to functional polymers, surfactants, antistatic agents, photosensitive resins, coatings, pharmaceuticals, pesticides and many other aspects. synthesis of styrene-butadiene pyridine latex, also used for Crestor, Betadine hydrochloride and other drugs. Is also the ion exchange resin raw materials, the production of weak Alkaline ion exchange resin and ion exchange membrane, for the separation of heavy metal ions; Polymer modifier (benzene added to polyvinyl chloride and polyvinyl acetate, can improve the mechanical strength and bending strength of the polymer); This product and the linear polymer graft copolymerization of the polymer, is a cationic surfactant. |
| production method | 4-picoline ethanol is produced by reacting 4-methylpyridine with formaldehyde, followed by dehydration. |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 100 mg/kg; Oral-mouse LD50: 161 mg/kg |
| flammability hazard characteristics | open flame flammable; Thermally decomposed toxic nitrogen oxide gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials |
| extinguishing agent | dry powder, carbon dioxide, sand, foam |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
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