184416-84-0
2,3-Dichloro-4-pyridinecarboxylic acid
CAS: 184416-84-0
Molecular Formula: C6H3Cl2NO2
184416-84-0 - Names and Identifiers
184416-84-0 - Physico-chemical Properties
| Molecular Formula | C6H3Cl2NO2 |
| Molar Mass | 192 |
| Density | 1.612±0.06 g/cm3(Predicted) |
| Melting Point | 187° |
| Boling Point | 413.6±40.0 °C(Predicted) |
| Flash Point | 203.9°C |
| Vapor Presure | 1.4E-07mmHg at 25°C |
| Appearance | Solid |
| pKa | 1.46±0.28(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.605 |
| MDL | MFCD01861977 |
184416-84-0 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
184416-84-0 - Introduction
2. acid is an organic compound with the chemical formula C7H4Cl2NO2. The following is an introduction to the nature, use, preparation and safety information of 2, acid:
Nature:
- 2, acid is colorless to light yellow crystal, with a special smell.
-It is soluble in many organic solvents, such as ethanol, ether and benzene.
-This compound has a certain degree of corrosiveness and needs to be protected when encountering skin and eyes.
Use:
- 2, acid is mainly used as a reagent in organic synthesis and can be used as a chlorinating agent in organic synthesis.
-It can also be used to generate biologically active organic molecules, and has certain applications in the fields of pesticides and medicines.
Method:
2. The preparation method of acetid can be completed by the following reaction steps:
1. Pyridine-2, 3-dione and chloroformic acid are reacted in the presence of sodium carbamate.
2. After the reaction is completed, 2,3 acid crystals are obtained through crystallization and filtration.
Safety Information:
- 2, acid is a harmful substance, should pay attention to protective measures, such as wearing gloves and goggles.
-Avoid inhaling its gas or dust, and ensure that it is operated in a well-ventilated place.
-Be careful to avoid contact with skin and eyes when using, and avoid eating by mistake.
-When handling and storing, follow safe operating procedures and store them out of the reach of children.
-When dealing with waste, please comply with local regulations and take appropriate measures to ensure the safe disposal of waste.
Nature:
- 2, acid is colorless to light yellow crystal, with a special smell.
-It is soluble in many organic solvents, such as ethanol, ether and benzene.
-This compound has a certain degree of corrosiveness and needs to be protected when encountering skin and eyes.
Use:
- 2, acid is mainly used as a reagent in organic synthesis and can be used as a chlorinating agent in organic synthesis.
-It can also be used to generate biologically active organic molecules, and has certain applications in the fields of pesticides and medicines.
Method:
2. The preparation method of acetid can be completed by the following reaction steps:
1. Pyridine-2, 3-dione and chloroformic acid are reacted in the presence of sodium carbamate.
2. After the reaction is completed, 2,3 acid crystals are obtained through crystallization and filtration.
Safety Information:
- 2, acid is a harmful substance, should pay attention to protective measures, such as wearing gloves and goggles.
-Avoid inhaling its gas or dust, and ensure that it is operated in a well-ventilated place.
-Be careful to avoid contact with skin and eyes when using, and avoid eating by mistake.
-When handling and storing, follow safe operating procedures and store them out of the reach of children.
-When dealing with waste, please comply with local regulations and take appropriate measures to ensure the safe disposal of waste.
Last Update：2024-04-09 19:05:47
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View History
184416-84-0
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1005196-61-1
78902-09-7
4-Chloro-3-nitroanisole
84173-36-4
266360-56-9
哈纳斯 溶液
1315-09-9
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