320-38-7
4-硝基-3-(三氟甲基)苯甲酸
CAS: 320-38-7
Molecular Formula: C8H4F3NO4
320-38-7 - Names and Identifiers
| Name | 4-硝基-3-(三氟甲基)苯甲酸 |
| Synonyms | Benzoic acid, 4-nitro-3-(trifluoromethyl)- |
| CAS | 320-38-7 |
320-38-7 - Physico-chemical Properties
| Molecular Formula | C8H4F3NO4 |
| Molar Mass | 235.12 |
| Density | 1.596±0.06 g/cm3(Predicted) |
| Melting Point | 160-164 °C (lit.) |
| Boling Point | 348.6±42.0 °C(Predicted) |
| pKa | 2.99±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
320-38-7 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R43 - May cause sensitization by skin contact |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 2 |
320-38-7 - Introduction
4-nitro -3-(trifluoromethyl) benzoic acid, chemical formula C8H5F3NO4, is an organic compound. Its properties are as follows:
1. Appearance: 4-nitro-3-(trifluoromethyl) benzoic acid is a white to pale yellow crystalline powder.
2. Solubility: It is soluble in most organic solvents, such as alcohols and ethers, and slightly soluble in water.
3. use: 4-nitro -3-(trifluoromethyl) benzoic acid is commonly used in organic synthesis, as intermediates or reagents, for the synthesis of drugs, dyes and pesticides and other organic compounds. It can also be used as one of the components of explosives.
4. Preparation method: 4-nitro-3-(trifluoromethyl) benzoic acid is obtained mainly by reacting 3-(trifluoromethyl) benzoic acid with nitric acid. The specific steps may vary, but in general, 3-(trifluoromethyl) benzoic acid can be reacted with nitric acid under the catalysis of sulfuric acid to obtain the target product.
5. safety information: 4-nitro -3-(trifluoromethyl) benzoic acid has certain toxicity and irritation, should avoid direct contact with the skin and inhalation of its dust. Wear appropriate personal protective equipment such as gloves, goggles and dust masks during use. In addition, it should be kept away from fire and high temperature to avoid causing fire or explosion. Contact with inflammables, oxidants and strong acids should be avoided during storage and transportation. If ingestion or other accidents occur, you should seek medical treatment immediately.
1. Appearance: 4-nitro-3-(trifluoromethyl) benzoic acid is a white to pale yellow crystalline powder.
2. Solubility: It is soluble in most organic solvents, such as alcohols and ethers, and slightly soluble in water.
3. use: 4-nitro -3-(trifluoromethyl) benzoic acid is commonly used in organic synthesis, as intermediates or reagents, for the synthesis of drugs, dyes and pesticides and other organic compounds. It can also be used as one of the components of explosives.
4. Preparation method: 4-nitro-3-(trifluoromethyl) benzoic acid is obtained mainly by reacting 3-(trifluoromethyl) benzoic acid with nitric acid. The specific steps may vary, but in general, 3-(trifluoromethyl) benzoic acid can be reacted with nitric acid under the catalysis of sulfuric acid to obtain the target product.
5. safety information: 4-nitro -3-(trifluoromethyl) benzoic acid has certain toxicity and irritation, should avoid direct contact with the skin and inhalation of its dust. Wear appropriate personal protective equipment such as gloves, goggles and dust masks during use. In addition, it should be kept away from fire and high temperature to avoid causing fire or explosion. Contact with inflammables, oxidants and strong acids should be avoided during storage and transportation. If ingestion or other accidents occur, you should seek medical treatment immediately.
Last Update：2024-04-09 20:52:54
