3-Nitro-4-(trifluoromethyl)benzoic
3-Nitro-4-(trifluoromethyl)benzoic acid
CAS: 116965-16-3
Molecular Formula: C8H4F3NO4
3-Nitro-4-(trifluoromethyl)benzoic - Names and Identifiers
3-Nitro-4-(trifluoromethyl)benzoic - Physico-chemical Properties
| Molecular Formula | C8H4F3NO4 |
| Molar Mass | 235.12 |
| Density | 1.596 |
| Melting Point | 169°C |
| Boling Point | 330.0±42.0 °C(Predicted) |
| Flash Point | 1°C |
| Solubility | Acetone (Slightly), Methanol (Slightly) |
| Vapor Presure | 104mmHg at 25°C |
| Appearance | White to light yellow crystal powder |
| Color | Yellow |
| pKa | 3.03±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.432 |
3-Nitro-4-(trifluoromethyl)benzoic - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - 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. |
| Hazard Note | Irritant |
| Hazard Class | IRRITANT, IRRITANT-H |
3-Nitro-4-(trifluoromethyl)benzoic - Introduction
3-nitro-4-trifluoromethylbenzoic acid, chemical formula C8H4F3NO4, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3-Nitro-4-trifluoromethylbenzoic acid is a white crystalline solid.
-Solubility: Soluble in organic solvents, such as ethanol, acetone and dimethyl ketone, insoluble in water.
-Melting point: about 150°C.
-Main functional groups: nitro (-NO2), trifluoromethyl (-CF3) and carboxyl (-COOH).
Use:
-3-nitro-4-trifluoromethylbenzoic acid is often used as an important intermediate in organic synthesis.
-It can be used to synthesize organic compounds such as drugs, dyes and pesticides.
-Can also be used as a monomer for some polymers.
Preparation Method:
-3-nitro-4-trifluoromethylbenzoic acid has many preparation methods, and one of the commonly used methods is obtained by nitration of nitroformic acid. The specific steps are first reacting p-nitroformic acid and trifluoromethanesulfonic acid in an organic solvent, and then extracting and purifying the product.
Safety Information:
-3-nitro-4-trifluoromethylbenzoic acid is generally dangerous and should be handled with care.
-Contact with the skin may cause irritation and allergic reactions, should wear appropriate protective gloves and clothing.
-Inhalation of dust or vapors may cause irritation to the respiratory tract and eyes, and should be handled in a well-ventilated place to avoid direct contact.
-During use, please read and follow the relevant safety operation guidelines, and ensure personal safety through appropriate protective measures.
Nature:
-Appearance: 3-Nitro-4-trifluoromethylbenzoic acid is a white crystalline solid.
-Solubility: Soluble in organic solvents, such as ethanol, acetone and dimethyl ketone, insoluble in water.
-Melting point: about 150°C.
-Main functional groups: nitro (-NO2), trifluoromethyl (-CF3) and carboxyl (-COOH).
Use:
-3-nitro-4-trifluoromethylbenzoic acid is often used as an important intermediate in organic synthesis.
-It can be used to synthesize organic compounds such as drugs, dyes and pesticides.
-Can also be used as a monomer for some polymers.
Preparation Method:
-3-nitro-4-trifluoromethylbenzoic acid has many preparation methods, and one of the commonly used methods is obtained by nitration of nitroformic acid. The specific steps are first reacting p-nitroformic acid and trifluoromethanesulfonic acid in an organic solvent, and then extracting and purifying the product.
Safety Information:
-3-nitro-4-trifluoromethylbenzoic acid is generally dangerous and should be handled with care.
-Contact with the skin may cause irritation and allergic reactions, should wear appropriate protective gloves and clothing.
-Inhalation of dust or vapors may cause irritation to the respiratory tract and eyes, and should be handled in a well-ventilated place to avoid direct contact.
-During use, please read and follow the relevant safety operation guidelines, and ensure personal safety through appropriate protective measures.
Last Update：2024-04-09 02:00:41
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