4-Vinylpyridine - Names and IdentifiersName4-VinylpyridineSynonyms4-VinylpyridineVinylpyridine,
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| Name | 4-Vinylpyridine |
| Synonyms | 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 |
| Molecular Formula | C7H7N |
| Molar Mass | 105.14 |
| Density | 0.975 g/mL at 25 °C (lit.) |
| Boling Point | 62-65 °C/15 mmHg (lit.) |
| Flash Point | 125°F |
| Water Solubility | 29 G/L (20 ºC) |
| Vapor Presure | 2.28hPa at 25℃ |
| Appearance | 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) |
| Storage Condition | -20°C |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents. |
| Refractive Index | n20/D 1.549(lit.) |
| Physical and Chemical Properties | 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. |
| Hazard Symbols | T - Toxic |
| Risk Codes | R10 - Flammable 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. |
| Safety Description | S23 - Do not breathe vapour. 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.) S28A - S16 - Keep away from sources of ignition. |
| UN IDs | UN 3073 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | UU1045000 |
| FLUKA BRAND F CODES | 8-10 |
| TSCA | Yes |
| HS Code | 29333990 |
| Hazard Class | 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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