3,5-DIFLUORO-ALPHA-HYDROXYPHENYLACETIC ACID - Names and Identifiers
Name | 3,5-difluoromandelic acid
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Synonyms | 3,5-DIFLUOROMANDELIC ACID 3,5-difluoromandelic acid à-hydroxy-3,5-difluorophenylacetic acid 3,5-DIFLUORO-A-HYDROXYPHENYLACETIC ACID (3,5-difluorophenyl)(hydroxy)acetic acid 2-(3,5-difluorophenyl)-2-hydroxyacetic acid Benzeneacetic acid, 3,5-difluoro-a-hydroxy- (2R)-(3,5-difluorophenyl)(hydroxy)ethanoate alpha-Hydroxy-3,5-difluorophenylacetic acid 3,5-DIFLUORO-ALPHA-HYDROXYPHENYLACETIC ACID (2S)-(3,5-difluorophenyl)(hydroxy)ethanoate
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CAS | 132741-31-2
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EINECS | 670-875-7 |
InChI | InChI=1/C8H6F2O3/c9-5-1-4(2-6(10)3-5)7(11)8(12)13/h1-3,7,11H,(H,12,13)/p-1/t7-/m1/s1 |
3,5-DIFLUORO-ALPHA-HYDROXYPHENYLACETIC ACID - Physico-chemical Properties
Molecular Formula | C8H6F2O3
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Molar Mass | 188.13 |
Density | 1.522±0.06 g/cm3(Predicted) |
Melting Point | 135-139 °C (lit.) |
Boling Point | 306.5±37.0 °C(Predicted) |
Flash Point | 139.1°C |
Vapor Presure | 0.000336mmHg at 25°C |
Appearance | Crystalline powder |
pKa | 3.10±0.10(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
MDL | MFCD00061300 |
3,5-DIFLUORO-ALPHA-HYDROXYPHENYLACETIC ACID - Risk and Safety
Hazard Symbols | Xi - Irritant
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Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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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
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WGK Germany | 3 |
HS Code | 29181990 |
Hazard Class | IRRITANT |
3,5-DIFLUORO-ALPHA-HYDROXYPHENYLACETIC ACID - Introduction
3,5-Difluoromandelic acid is an organic compound. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: 3,5-Difluoromandelic acid is a colorless to pale yellow solid.
-Solubility: It can be dissolved in water and has good solubility in organic solvents.
-Melting point: Its melting point is about 150-155°C.
-Chemical properties: 3,5-Difluoromandelic acid is a strong acid that can react with alkali to form the corresponding salt.
Use:
- 3,5-difluoromandelic acid is widely used in organic synthesis. It can be used as an acid catalyst to catalyze various organic reactions, such as esterification, alcohol condensation, oximation and acetal reactions.
- 3,5-Difluoromandelic acid can also be used as a raw material for fungicides and insecticides.
Preparation Method:
- 3,5-Difluoromandelic acid can be prepared by reacting 3,5-difluorobenzoic acid with an inorganic acid (such as sulfuric acid). The reaction is generally carried out in an inert solvent and isolated and purified by distillation.
Safety Information:
- 3,5-difluoromandelic acid is relatively stable under general conditions. However, since it is a strong acid, care should be taken during use and storage. Avoid contact with skin, eyes and respiratory tract. Wear appropriate protective equipment such as gloves and goggles during use.
-Good laboratory practice should be followed when handling 3,5-difluoromandelic acid, and waste should be stored and disposed of properly.
Last Update:2024-04-09 21:04:16