320-97-8
4-Fluorophthalic acid
CAS: 320-97-8
Molecular Formula: C8H5FO4
320-97-8 - Names and Identifiers
320-97-8 - Physico-chemical Properties
| Molecular Formula | C8H5FO4 |
| Molar Mass | 184.12 |
| Density | 1.551±0.06 g/cm3(Predicted) |
| Melting Point | 154-158℃ |
| Boling Point | 377.2±27.0 °C(Predicted) |
| Water Solubility | Insoluble in water. |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Appearance | Solid |
| Color | White to Off-White |
| pKa | 2.91±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Hygroscopic |
| MDL | MFCD06208213 |
320-97-8 - 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. S37 - Wear suitable gloves. |
| HS Code | 29173990 |
| Hazard Note | Irritant |
320-97-8 - Introduction
4-Fluorophthalic acid is an organic compound with the chemical formula C8H5FO4. It is a white solid, soluble in water and many organic solvents. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: White solid
-Molecular weight: 190.12g/mol
-Melting Point: 287-289 ° C
-Boiling point: 353.2 ° C
-Solubility: Soluble in water and organic solvents
Use:
- 4-Fluorophthalic acid is widely used as an intermediate in organic synthesis, especially in the synthesis of fluorescent dyes, photosensitive compounds and pharmaceutical compounds.
-It can also be used to prepare high-performance resins, coatings and plastics, and has application prospects in materials science.
Method:
The preparation method of-4-Fluorophthalic acid can be obtained by adding sodium fluoride to the sodium hydroxide solution of phthalic acid. The reaction equation is as follows:
C6H4(COOH)2 NaF → C6H4(COOH)(COONa) HF
C6H4(COOH)(COONa) HCl → C6H4(COOH)(COOH) NaCl
Safety Information:
-The toxicity of 4-Fluorophthalic acid in humans is limited. However, as an organic acid, it may cause irritation and corrosion to the eyes, skin and respiratory system, so you should pay attention to protective measures to avoid contact with skin and eyes.
-During storage and handling, care should be taken to avoid contact with strong oxidants and amino compounds to avoid dangerous reactions.
-During use, it is recommended to operate in a well-ventilated place and take appropriate personal protective measures, such as wearing gloves, goggles and protective clothing.
Nature:
-Appearance: White solid
-Molecular weight: 190.12g/mol
-Melting Point: 287-289 ° C
-Boiling point: 353.2 ° C
-Solubility: Soluble in water and organic solvents
Use:
- 4-Fluorophthalic acid is widely used as an intermediate in organic synthesis, especially in the synthesis of fluorescent dyes, photosensitive compounds and pharmaceutical compounds.
-It can also be used to prepare high-performance resins, coatings and plastics, and has application prospects in materials science.
Method:
The preparation method of-4-Fluorophthalic acid can be obtained by adding sodium fluoride to the sodium hydroxide solution of phthalic acid. The reaction equation is as follows:
C6H4(COOH)2 NaF → C6H4(COOH)(COONa) HF
C6H4(COOH)(COONa) HCl → C6H4(COOH)(COOH) NaCl
Safety Information:
-The toxicity of 4-Fluorophthalic acid in humans is limited. However, as an organic acid, it may cause irritation and corrosion to the eyes, skin and respiratory system, so you should pay attention to protective measures to avoid contact with skin and eyes.
-During storage and handling, care should be taken to avoid contact with strong oxidants and amino compounds to avoid dangerous reactions.
-During use, it is recommended to operate in a well-ventilated place and take appropriate personal protective measures, such as wearing gloves, goggles and protective clothing.
Last Update：2024-04-09 20:49:11
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