499-55-8
3-Fluorobenzoic hydrazide
CAS: 499-55-8
Molecular Formula: C7H7FN2O
499-55-8 - Names and Identifiers
499-55-8 - Physico-chemical Properties
| Molecular Formula | C7H7FN2O |
| Molar Mass | 154.14 |
| Density | 1.272±0.06 g/cm3(Predicted) |
| Melting Point | 139-143 °C (lit.) |
| Appearance | Crystalline Powder |
| Color | White to off-white |
| pKa | 11.78±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
499-55-8 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin 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. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
499-55-8 - Introduction
3-Fluorobenzoic hydrazide is an organic compound with the chemical formula C7H6FNN2O. The following is a description of the nature, use, preparation and safety information of 3-Fluorobenzoic hydrazide:
Nature:
-Appearance: 3-Fluorobenzoic hydrazide is a solid, usually white crystal or powder.
-Solubility: 3-Fluorobenzoic hydrazide is soluble in some organic solvents, such as ethanol, acetone and dimethyl sulfoxide.
-Melting point: about 161-163 degrees Celsius.
Use:
-Chemical reagent: 3-Fluorobenzoic hydrazide is often used as a reagent in organic synthesis and can be used to synthesize various nitrogen-containing compounds.
-Drug intermediate: It can also be used as an intermediate for some drugs to prepare biologically active compounds.
-Dye intermediate: 3-Fluorobenzoic hydrazide can also be used in dye synthesis.
Preparation Method:
3-Fluorobenzoic hydrazide is prepared by reacting 3-fluorobenzamide with hydrazine. The reaction is usually carried out under acidic conditions and the product is purified by appropriate extraction or crystallization.
Safety Information:
3-Fluorobenzoic hydrazide are generally relatively safe under normal use conditions, but the following aspects still need to be paid attention:
-Irritating to skin and eyes, rinse with plenty of water immediately after contact.
-It should be used in a well-ventilated place to avoid inhaling dust.
-Avoid contact with strong oxidants.
-Store it in a dry, sealed, dark place.
Nature:
-Appearance: 3-Fluorobenzoic hydrazide is a solid, usually white crystal or powder.
-Solubility: 3-Fluorobenzoic hydrazide is soluble in some organic solvents, such as ethanol, acetone and dimethyl sulfoxide.
-Melting point: about 161-163 degrees Celsius.
Use:
-Chemical reagent: 3-Fluorobenzoic hydrazide is often used as a reagent in organic synthesis and can be used to synthesize various nitrogen-containing compounds.
-Drug intermediate: It can also be used as an intermediate for some drugs to prepare biologically active compounds.
-Dye intermediate: 3-Fluorobenzoic hydrazide can also be used in dye synthesis.
Preparation Method:
3-Fluorobenzoic hydrazide is prepared by reacting 3-fluorobenzamide with hydrazine. The reaction is usually carried out under acidic conditions and the product is purified by appropriate extraction or crystallization.
Safety Information:
3-Fluorobenzoic hydrazide are generally relatively safe under normal use conditions, but the following aspects still need to be paid attention:
-Irritating to skin and eyes, rinse with plenty of water immediately after contact.
-It should be used in a well-ventilated place to avoid inhaling dust.
-Avoid contact with strong oxidants.
-Store it in a dry, sealed, dark place.
Last Update：2024-04-09 02:00:46
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CAS: 499-55-8
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