Chloro-3-nitrobenzoica
2-Chloro-3-nitrobenzoic acid
CAS: 3970-35-2
Molecular Formula: C7H4ClNO4
Chloro-3-nitrobenzoica - Names and Identifiers
| Name | 2-Chloro-3-nitrobenzoic acid |
| Synonyms | NSC 92742 2-Chloro-3-nitrobenz Chloro-3-nitrobenzoica 2-chloro-3-nitrobenzoate 2-CHLORO-3-NITROBENZOIC ACID 2-Chloro-3-nitrobenzoic acid 2-Chloro-3-carboxynitrobenzene Mesalazine Impurity 8(Mesalazine EP Impurity Q) |
| CAS | 3970-35-2 |
| EINECS | 223-590-3 |
| InChI | InChI=1/C7H4ClNO4/c8-6-4(7(10)11)2-1-3-5(6)9(12)13/h1-3H,(H,10,11)/p-1 |
Chloro-3-nitrobenzoica - Physico-chemical Properties
| Molecular Formula | C7H4ClNO4 |
| Molar Mass | 201.56 |
| Density | 1.6620 |
| Melting Point | 183-187 °C (lit.) |
| Boling Point | 359.9±27.0 °C(Predicted) |
| Flash Point | 171.5°C |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 8.27E-06mmHg at 25°C |
| Appearance | Powder |
| Color | White to cream-yellow with a green cast |
| BRN | 645427 |
| pKa | pK1: 2.02 (25°C) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.6000 (estimate) |
Chloro-3-nitrobenzoica - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R37/38 - Irritating to respiratory system and skin. R36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29163990 |
Chloro-3-nitrobenzoica - Introduction
2-Chloro-3-nitrobenzoic acid is an organic compound with the chemical formula C7H4ClNO4.
Nature:
2-Chloro-3-nitrobenzoic acid is a colorless crystalline solid with a distinctive odor. It has a melting point of about 167-170°C and a boiling point of 337°C. It is slightly soluble in water and has good solubility in solvents such as ethanol, acetone and ether. This compound can be dissolved by air moisture absorption.
Use:
2-Chloro-3-nitrobenzoic acid is an important organic synthesis intermediate. It is commonly used in the synthesis of antibiotics, pesticides, dyes and other compounds. In addition, it can also be used as an organic synthesis reaction catalyst, pharmaceutical intermediates and chemical reagents.
Preparation Method:
2-Chloro-3-nitrobenzoic acid can be synthesized by chlorination of nitrobenzene. The specific synthesis method may vary depending on the reaction conditions.
Safety Information:
2-Chloro-3-nitrobenzoic acid has low toxicity, but it is still necessary to pay attention to safe use. Contact with skin, eyes or inhalation of its dust can cause irritation, should avoid direct contact. Wear protective gloves, goggles and other protective equipment during operation. In addition, avoid swallowing or inhaling aerosols. If you have any unusual symptoms or suspicion, you should seek medical treatment immediately. For detailed safety procedures, refer to the safety data sheet (SDS) of the chemical.
Nature:
2-Chloro-3-nitrobenzoic acid is a colorless crystalline solid with a distinctive odor. It has a melting point of about 167-170°C and a boiling point of 337°C. It is slightly soluble in water and has good solubility in solvents such as ethanol, acetone and ether. This compound can be dissolved by air moisture absorption.
Use:
2-Chloro-3-nitrobenzoic acid is an important organic synthesis intermediate. It is commonly used in the synthesis of antibiotics, pesticides, dyes and other compounds. In addition, it can also be used as an organic synthesis reaction catalyst, pharmaceutical intermediates and chemical reagents.
Preparation Method:
2-Chloro-3-nitrobenzoic acid can be synthesized by chlorination of nitrobenzene. The specific synthesis method may vary depending on the reaction conditions.
Safety Information:
2-Chloro-3-nitrobenzoic acid has low toxicity, but it is still necessary to pay attention to safe use. Contact with skin, eyes or inhalation of its dust can cause irritation, should avoid direct contact. Wear protective gloves, goggles and other protective equipment during operation. In addition, avoid swallowing or inhaling aerosols. If you have any unusual symptoms or suspicion, you should seek medical treatment immediately. For detailed safety procedures, refer to the safety data sheet (SDS) of the chemical.
Last Update：2024-04-09 20:52:54
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