5) PARA FLUORO BENZYL CHLORIDE
4-Fluorobenzyl chloride
CAS: 352-11-4
Molecular Formula: C7H6ClF
5) PARA FLUORO BENZYL CHLORIDE - Names and Identifiers
5) PARA FLUORO BENZYL CHLORIDE - Physico-chemical Properties
| Molecular Formula | C7H6ClF |
| Molar Mass | 144.57 |
| Density | 1.207g/mLat 25°C(lit.) |
| Melting Point | -18 °C |
| Boling Point | 82°C26mm Hg(lit.) |
| Flash Point | 141°F |
| Water Solubility | 417mg/L(temperature not stated) |
| Solubility | Chloroform (Slightly), Hexanes (Slightly) |
| Vapor Presure | 37.2mmHg at 25°C |
| Appearance | Powder or Crystals |
| Specific Gravity | 1.207 |
| Color | Yellow |
| BRN | 742272 |
| Storage Condition | Store below +30°C. |
| Sensitive | Lachrymatory |
| Explosive Limit | 1.30%(V) |
| Refractive Index | n20/D 1.513(lit.) |
| Physical and Chemical Properties | density 1.207 melting point -18°C boiling point 181.2°C refractive index 1.512-1.514 flash point 65°C |
| Use | Used as pesticide, pharmaceutical intermediates |
5) PARA FLUORO BENZYL CHLORIDE - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns R22 - Harmful 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 2920 8/PG 2 |
| WGK Germany | 2 |
| FLUKA BRAND F CODES | 19 |
| TSCA | Yes |
| HS Code | 29036990 |
| Hazard Note | Corrosive/Lachrymatory |
| Hazard Class | 8 |
| Packing Group | III |
5) PARA FLUORO BENZYL CHLORIDE - 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) |
| Application | 4-fluorobenzyl chloride is a benzyl chloride derivative. Alkyl aromatic hydrocarbons halogenated on the alkyl chain, such as, for example, benzyl chloride, are important intermediates in industrial preparations, for example, for the preparation of drugs based on amphetamine, artificial resins, dyes, fuel Additive and photographic phase display solution. |
| preparation | photocatalyst: Nano Silver/silver chloride surface plasma composite material; Substrate: P-fluorotoluene; Halogenating agent: potassium chloride; (1) 50ml of water, 7g of sodium chloride and 35% ml of hydrochloric acid (mass fraction) were added into the photocatalytic reactor and stirred to dissolve; (2) then 0.3G nano-silver/silver chloride was added as photocatalyst (nano-silver loading 8.5mol%) and 0.05g tetrabutylammonium chloride was added as phase transfer catalyst, and finally 15ml p-fluorotoluene was added; the loading is the molar amount of the nano-noble metal as a mole percent of the total amount of the nano-noble metal/semiconductor surface plasmon composite. (3) under strong magnetic stirring, then turn on 300W xenon lamp irradiation and react at room temperature for 5H; (4) filter and recover the catalyst to separate the organic phase, the aqueous phase was recovered and reused. The sample was analyzed by GS, and the conversion rate of p-fluorotoluene was 36%, and no polychlorinated product was detected. The 180.5-182 ° C. Fraction was collected by distillation to obtain 4-fluorobenzyl chloride in a yield of 89%. |
| Use | This product is a number of pesticide and pharmaceutical intermediates. used as pesticide and pharmaceutical intermediates |
Last Update：2024-04-10 22:29:15
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