2,6-DIFLUORO-3-NITROBENZOIC ACID
2,6-Difluoro-3-nitrobenzoic acid
CAS: 83141-10-0
Molecular Formula: C9H11NO
2,6-DIFLUORO-3-NITROBENZOIC ACID - Names and Identifiers
2,6-DIFLUORO-3-NITROBENZOIC ACID - Physico-chemical Properties
| Molecular Formula | C9H11NO |
| Molar Mass | 149.18974 |
| Density | 1.661 |
| Melting Point | 92-96°C |
| Boling Point | 335.5±42.0 °C(Predicted) |
| pKa | 1.48±0.29(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
2,6-DIFLUORO-3-NITROBENZOIC ACID - 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. S24/25 - Avoid contact with skin and eyes. |
| HS Code | 29163990 |
| Hazard Class | IRRITANT |
2,6-DIFLUORO-3-NITROBENZOIC ACID - Upstream Downstream Industry
| Downstream Products | 1-PropanesulfonaMide, N-[3-[[5-broMo-1-(2,6-dichlorobenzoyl)-1H-pyrrolo[2,3-b]pyridin-3-yl]carbonyl]-2,4-difluorophenyl]- |
2,6-DIFLUORO-3-NITROBENZOIC ACID - Introduction
2,6-difluoro-3-nitrobenzoic acid is an organic compound with the chemical formula C7H3F2NO4. The following is its nature, use, preparation and safety information:
Nature:
-Appearance: 2,6-difluororo-3-nitrobenzoic acid is white crystal or crystalline powder
-Melting point: About 142 ℃
-Boiling point: About 350 ℃
-Solubility: Soluble in some organic solvents, such as ethanol, chloroform and dimethylformamide
-Chemical properties: It is a compound with strong acidity, which can be neutralized with alkali; When heated, it can decompose and release toxic gases.
Use:
-2,6-difluoro-3-nitrobenzoic acid is commonly used as a reagent in organic synthesis, especially in the synthesis of drugs and dyes, such as the preparation of fenfluramine and piracetam.
-It can also be used as a raw material in organic synthesis, and other organic compounds can be prepared through it.
Method:
The preparation method of 2,6-difluoro-3-nitrobenzoic acid can be carried out by the following steps:
1. Benzoic acid and nitrous acid are reacted to generate benzoic acid containing nitroso.
2. The nitroso-containing benzoic acid reacts with hydrogen fluoride to obtain 2,6-difluororo-3-nitrobenzoic acid.
Safety Information:
-2,6-difluoro-3-nitrobenzoic acid is irritating to eyes and skin and should be protected when exposed.
-It also has a certain acute toxicity, and inhalation or excessive intake may cause health hazards.
-Use or handle with good ventilation and wear appropriate personal protective equipment such as safety glasses, gloves and protective clothing.
-Waste should be treated in accordance with regulations and should not be discharged into the environment at will.
-When used in the laboratory, the relevant safety operation guidelines and laboratory rules and regulations should be followed.
Nature:
-Appearance: 2,6-difluororo-3-nitrobenzoic acid is white crystal or crystalline powder
-Melting point: About 142 ℃
-Boiling point: About 350 ℃
-Solubility: Soluble in some organic solvents, such as ethanol, chloroform and dimethylformamide
-Chemical properties: It is a compound with strong acidity, which can be neutralized with alkali; When heated, it can decompose and release toxic gases.
Use:
-2,6-difluoro-3-nitrobenzoic acid is commonly used as a reagent in organic synthesis, especially in the synthesis of drugs and dyes, such as the preparation of fenfluramine and piracetam.
-It can also be used as a raw material in organic synthesis, and other organic compounds can be prepared through it.
Method:
The preparation method of 2,6-difluoro-3-nitrobenzoic acid can be carried out by the following steps:
1. Benzoic acid and nitrous acid are reacted to generate benzoic acid containing nitroso.
2. The nitroso-containing benzoic acid reacts with hydrogen fluoride to obtain 2,6-difluororo-3-nitrobenzoic acid.
Safety Information:
-2,6-difluoro-3-nitrobenzoic acid is irritating to eyes and skin and should be protected when exposed.
-It also has a certain acute toxicity, and inhalation or excessive intake may cause health hazards.
-Use or handle with good ventilation and wear appropriate personal protective equipment such as safety glasses, gloves and protective clothing.
-Waste should be treated in accordance with regulations and should not be discharged into the environment at will.
-When used in the laboratory, the relevant safety operation guidelines and laboratory rules and regulations should be followed.
Last Update：2024-04-09 02:00:51
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