325-50-8
5-Fluoro-2-methylphenylhydrazine hydrochloride
CAS: 325-50-8
Molecular Formula: C7H10ClFN2
325-50-8 - Names and Identifiers
325-50-8 - Physico-chemical Properties
| Molecular Formula | C7H10ClFN2 |
| Molar Mass | 176.62 |
| Density | 1.202g/cm3 |
| Melting Point | 197°C (dec.) |
| Boling Point | 212°C at 760 mmHg |
| Flash Point | 82°C |
| Vapor Presure | 0.177mmHg at 25°C |
| BRN | 3696216 |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.594 |
| MDL | MFCD00053032 |
325-50-8 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R20/22 - Harmful by inhalation and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| 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. |
| UN IDs | 2811 |
| Hazard Note | Irritant |
| Packing Group | II |
325-50-8 - Introduction
hydrochloride is an organic compound with the chemical formula C7H9FN2 · HCl. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: White crystalline powder
-Melting point: about 170-174 ° C
-Solubility: Soluble in water and general organic solvents
Use:
-hydrochloride can be used as an important intermediate and reagent in the chemical synthesis process.
-It can be used to synthesize fluorinated aromatic amines and other organic compounds.
Method:
The synthesis of hydrochloride is usually obtained by reacting 5-Fluoro-2-methylphenylhydrazine with hydrogen chloride in toluene.
-First, heat and dissolve 5-fluoro-2-methylphenylhydrazine in toluene, and then gradually add hydrogen chloride gas, and the reaction proceeds for several hours.
-Filter the solid, mix its hypoacetate with n-heptane and cool to obtain crystals of hydrochloride.
-Finally, the pure product is obtained through the steps of filtration, drying and recrystallization.
Safety Information:
-The hydrochloride needs to pay attention to safety during operation.
-It is an organic compound with certain toxicity and irritation. Direct contact with skin and inhalation should be avoided.
-Wear appropriate protective equipment, such as gloves, goggles and protective masks, when in use.
-Try to operate in a well-ventilated place and avoid dust in the air.
-Waste disposal should be carried out in accordance with local regulations, do not discharge or mix other chemicals.
Nature:
-Appearance: White crystalline powder
-Melting point: about 170-174 ° C
-Solubility: Soluble in water and general organic solvents
Use:
-hydrochloride can be used as an important intermediate and reagent in the chemical synthesis process.
-It can be used to synthesize fluorinated aromatic amines and other organic compounds.
Method:
The synthesis of hydrochloride is usually obtained by reacting 5-Fluoro-2-methylphenylhydrazine with hydrogen chloride in toluene.
-First, heat and dissolve 5-fluoro-2-methylphenylhydrazine in toluene, and then gradually add hydrogen chloride gas, and the reaction proceeds for several hours.
-Filter the solid, mix its hypoacetate with n-heptane and cool to obtain crystals of hydrochloride.
-Finally, the pure product is obtained through the steps of filtration, drying and recrystallization.
Safety Information:
-The hydrochloride needs to pay attention to safety during operation.
-It is an organic compound with certain toxicity and irritation. Direct contact with skin and inhalation should be avoided.
-Wear appropriate protective equipment, such as gloves, goggles and protective masks, when in use.
-Try to operate in a well-ventilated place and avoid dust in the air.
-Waste disposal should be carried out in accordance with local regulations, do not discharge or mix other chemicals.
Last Update：2024-04-10 22:29:15
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