1,3-Isobenzofurandione, 4,5,6,7-tetrafluoro-
3,6-Difluorophthalic acid
CAS: 651-97-8
Molecular Formula: C8H4F2O4
1,3-Isobenzofurandione, 4,5,6,7-tetrafluoro- - Names and Identifiers
| Name | 3,6-Difluorophthalic acid |
| Synonyms | 3,6-Difluorophthalic a 3,6-DIFLUOROPHTHALIC ACID 1,4-DIFLUOROPHTHALIC ACID 3,6-Difluorophthalic acid 3,6-difluorobenzene-1,2-dicarboxylic acid 4,5,6,7-Tetrafluoro-2-benzofuran-1,3-dione 1,2-Benzenedicarboxylicacid, 3,6-difluoro- 1,3-Isobenzofurandione, 4,5,6,7-tetrafluoro- |
| CAS | 651-97-8 |
| EINECS | 211-485-5 |
| InChI | InChI=1/C8H4F2O4/c9-3-1-2-4(10)6(8(13)14)5(3)7(11)12/h1-2H,(H,11,12)(H,13,14) |
1,3-Isobenzofurandione, 4,5,6,7-tetrafluoro- - Physico-chemical Properties
| Molecular Formula | C8H4F2O4 |
| Molar Mass | 202.11 |
| Density | 1.644±0.06 g/cm3(Predicted) |
| Melting Point | 184°C |
| Boling Point | 357.0±42.0 °C(Predicted) |
| Flash Point | 169.7°C |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 1.02E-05mmHg at 25°C |
| Appearance | Crystallization |
| Color | White to Off-White |
| pKa | 1.68±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.566 |
| MDL | MFCD03840499 |
1,3-Isobenzofurandione, 4,5,6,7-tetrafluoro- - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Hazard Note | Irritant |
1,3-Isobenzofurandione, 4,5,6,7-tetrafluoro- - Introduction
3,6-Difluorophthalic acid is an organic compound with the chemical formula C8H4F2O4. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3,6-Difluorophthalic acid is a colorless or white crystalline solid.
-Solubility: Its solubility in water is low, but its solubility in organic solvents is better.
-Melting point: The melting point of 3,6-Difluorophthalic acid is about 217-221 degrees Celsius (degrees Celsius).
Use:
-Chemical synthesis: 3,6-Difluorophthalic acid can be used as an important chemical synthesis raw material for the synthesis of organic compounds with specific structures and properties.
-Catalyst: It can also be used as a raw material for certain catalysts, such as esterification reactions in organic synthesis.
-Fluorescent probe: Due to its structural characteristics, 3,6-Difluorophthalic acid is also used as a fluorescent probe for analysis and detection in the biomedical field.
Preparation Method:
- 3,6-Difluorophthalic acid is usually prepared by reacting phthalic acid with a fluorinating agent. During the reaction, fluorination of orthophthalic acid in the presence of fluorinating agent catalysis, the formation of 3,6-Difluorophthalic acid. The preparation process needs to be carried out under appropriate conditions to ensure high yield and product purity.
Safety Information:
- 3,6-Difluorophthalic acid is an organic compound and should be handled in accordance with general laboratory safety procedures.
-During the operation, direct contact with skin and eyes should be avoided to avoid irritation and damage. If exposed, flush skin with plenty of water and seek medical attention immediately.
-Avoid contact with fire and high temperature during storage and handling.
Nature:
-Appearance: 3,6-Difluorophthalic acid is a colorless or white crystalline solid.
-Solubility: Its solubility in water is low, but its solubility in organic solvents is better.
-Melting point: The melting point of 3,6-Difluorophthalic acid is about 217-221 degrees Celsius (degrees Celsius).
Use:
-Chemical synthesis: 3,6-Difluorophthalic acid can be used as an important chemical synthesis raw material for the synthesis of organic compounds with specific structures and properties.
-Catalyst: It can also be used as a raw material for certain catalysts, such as esterification reactions in organic synthesis.
-Fluorescent probe: Due to its structural characteristics, 3,6-Difluorophthalic acid is also used as a fluorescent probe for analysis and detection in the biomedical field.
Preparation Method:
- 3,6-Difluorophthalic acid is usually prepared by reacting phthalic acid with a fluorinating agent. During the reaction, fluorination of orthophthalic acid in the presence of fluorinating agent catalysis, the formation of 3,6-Difluorophthalic acid. The preparation process needs to be carried out under appropriate conditions to ensure high yield and product purity.
Safety Information:
- 3,6-Difluorophthalic acid is an organic compound and should be handled in accordance with general laboratory safety procedures.
-During the operation, direct contact with skin and eyes should be avoided to avoid irritation and damage. If exposed, flush skin with plenty of water and seek medical attention immediately.
-Avoid contact with fire and high temperature during storage and handling.
Last Update：2024-04-10 22:29:15
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