4-Fluorobenzylamine
4-fluorobenzylamine
CAS: 140-75-0
Molecular Formula: C7H8FN
4-Fluorobenzylamine - Names and Identifiers
| Name | 4-fluorobenzylamine |
| Synonyms | 4-Fluorbenzylamine Fluorobenzyl amine 4-fluorobenzylamine P-Fluorobenzyl Amine Benzylamine, p-fluoro- 4-FluorobenzylaMine0.99 4-fluoro-benzenemethanamin p-FluorobenzeneMethanaMine 4-fluoroBenzenemethanamine (4-Fluorophenyl)methanamine (4-fluorophenyl)methanaminium 1-(4-fluorophenyl)methanamine 4-FLUOROBENZYLAMINE FOR SYNTHESIS 2,4-difluoro-1-isothiocyanatobenzene |
| CAS | 140-75-0 |
| EINECS | 205-430-4 |
| InChI | InChI=1/C7H3F2NS/c8-5-1-2-7(10-4-11)6(9)3-5/h1-3H |
| InChIKey | IIFVWLUQBAIPMJ-UHFFFAOYSA-N |
4-Fluorobenzylamine - Physico-chemical Properties
| Molecular Formula | C7H8FN |
| Molar Mass | 125.14 |
| Density | 1.095 g/mL at 25 °C (lit.) |
| Melting Point | 183 °C |
| Boling Point | 183 °C (lit.) |
| Flash Point | 152°F |
| Water Solubility | Soluble in water. |
| Vapor Presure | 0.134mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.101.095 |
| Color | Clear colorless to light yellow |
| BRN | 636501 |
| pKa | 9.01±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.512(lit.) |
| Physical and Chemical Properties | Density 1.09 boiling point 183°C refractive index 1.5117 flash point 66°C |
| Use | Used as pharmaceutical, pesticide intermediates |
4-Fluorobenzylamine - Risk and Safety
| Risk Codes | R34 - Causes burns R20/21/22 - Harmful 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. S27 - Take off immediately all contaminated clothing. 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.) S36/39 - |
| UN IDs | UN 2735 8/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-34 |
| TSCA | Yes |
| HS Code | 29214980 |
| Hazard Note | Irritant |
| Hazard Class | 8 |
| Packing Group | III |
4-Fluorobenzylamine - 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 | the anti-allergic drug astemizole, an intermediate of the analgesic drug Flupirine. used as pharmaceutical and pesticide intermediates |
| production method | add N-(4-fluorobenzyl) phthalimide 25.5g(0.1mol) to a ML reaction flask 80% g (6.3 mol) of 0.1 hydrazine hydrate solution was added thereto, followed by heating to reflux for 0.5g. An excess of hydrochloric acid is added to decompose the precipitated white precipitate. After cooling, an appropriate amount of water is added and stirred, and suction filtration is carried out. The filtrate was neutralized with NaOH solution, extracted with diethyl ether, the diethyl ether extract was dried, and then the diethyl ether was distilled off under reduced pressure to collect a 44-46 ° C. (67kPa) fraction to give 7.1g of p-fluorobenzylamine in a yield of 56.5%. |
Last Update：2024-04-09 21:21:28
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View History
4-Fluorobenzylamine
1H-Pyrrole, 2-(1-methylethyl)-5-phenyl-
ALPHA,ALPHA,ALPHA-TRIFLUORO-M-TOLYL CHLORIDE
5-氨基-2-吡嗪羧酸
methyl 4-[(5-{[(3-methylphenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)methoxy]benzoate
1H-Pyrrole, 2-(1-methylethyl)-5-phenyl-
ALPHA,ALPHA,ALPHA-TRIFLUORO-M-TOLYL CHLORIDE
5-氨基-2-吡嗪羧酸
methyl 4-[(5-{[(3-methylphenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)methoxy]benzoate