氟化氢-吡啶
Hydrogen fluoride-pyridine
CAS: 32001-55-1;62778-11-4
Molecular Formula: C5H5N.HF
氟化氢-吡啶 - Names and Identifiers
| Name | Hydrogen fluoride-pyridine |
| Synonyms | Olahs Pyridine, hydrofluoride Hydrogen fluoridehyridine Hydrogen fluoride-pyridine Hydrogen fluoride pyridine complex Pyridinium poly(hydrogen fluoride) Hydrogen fluoride-pyridine solution |
| CAS | 32001-55-1 62778-11-4 |
| EINECS | 250-889-6 |
| InChI | InChI=1/C5H5N.HI/c1-2-4-6-5-3-1;/h1-5H;1H |
氟化氢-吡啶 - Physico-chemical Properties
| Molecular Formula | C5H5N.HF |
| Molar Mass | 99.11 |
| Density | 1.1 g/mL at 20 °C(lit.) |
| Boling Point | 115.3°C at 760 mmHg |
| Flash Point | 20°C |
| Vapor Presure | 22.8mmHg at 25°C |
| Appearance | Form Liquid, color Clear pale yellow to light brown |
| Storage Condition | Room Temprature |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00012436 |
| Physical and Chemical Properties | Appearance colorless to light yellow transparent liquid boiling point 50 ℃/1mmHg |
| Use | Fluorinated reagent |
氟化氢-吡啶 - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns |
| Safety Description | S29 - Do not empty into drains. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S7/9 - Keep container tightly closed and in a well-vent |
| UN IDs | UN 1790 8/PG 1 |
| WGK Germany | 2 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | T |
| HS Code | 29333999 |
| Hazard Class | 8 |
| Packing Group | II |
氟化氢-吡啶 - Upstream Downstream Industry
| Downstream Products | 2-CHLORO-5-FLUOROPYRIDINE-6-CARBOXYLIC ACID ORNOPROSTIL 7-FLUORO-1-TETRALONE |
氟化氢-吡啶 - Nature
| sensitivity | Moisture Sensitive |
| BRN | 4750151 |
Last Update：2024-04-10 22:29:15
氟化氢-吡啶 - Uses and synthesis methods
application
In the manufacturing process of organic fluorine chemicals, some fluorine-containing acyl fluoride compounds are often produced as intermediates in the process, such as hydropyridine fluoride. It can be used as an intermediate in laboratory research and development processes and chemical and pharmaceutical synthesis processes.
Preparation
Hydropyridine fluoride is prepared as follows:
1) In a reaction kettle with a stirrer, add 32kg of methanol, and slowly add 79kg of pyridine under stirring to mix the two evenly to obtain a mixture of methanol and pyridine;
2) Transfer the mixture of methanol and pyridine obtained above to a closed reactor with a stirrer. At room temperature of 0 ℃, start stirring, slowly add 400kg of perfluorooctyl fluoride to the mixture of methanol and pyridine by dropping, and continue stirring for 2 hours after adding;
3) transfer the reaction products obtained above to a tower kettle of a rectification tower with a theoretical plate number of 60, and carry out rectification to obtain 395kg of perfluorooctanoate methyl ester (about 96% yield). in addition, 115kg of mixture is recovered from the tower kettle, which is mainly pyridine fluoride, a complex of pyridine and hydrogen fluoride, and can be directly used for fluorination reaction without other treatment.
Last Update：2024-04-10 22:29:15
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View History
氟化氢-吡啶
2-氨基-4-甲基苯酚
瓮红1 (CI 73360)
6-溴-2-苯基-4H-苯并[D][1,3]噁嗪-4-酮
ACE
2-羟基-7-乙氧基萘
HEPTAFLUOROBUTYRYL CHLORIDE
5-羟基-2-硝基苯胺
PENTACHLOROETHANE ANALYTICAL STANDARD
N-(5-氯-2-羟基苯基)乙酰胺
2-氨基-4-甲基苯酚
瓮红1 (CI 73360)
6-溴-2-苯基-4H-苯并[D][1,3]噁嗪-4-酮
ACE
2-羟基-7-乙氧基萘
HEPTAFLUOROBUTYRYL CHLORIDE
5-羟基-2-硝基苯胺
PENTACHLOROETHANE ANALYTICAL STANDARD
N-(5-氯-2-羟基苯基)乙酰胺
Downstream Products for 氟化氢-吡啶