578-22-3
5-Hydroxy-2-methylbenzoic acid
CAS: 578-22-3
Molecular Formula: C8H8O3
578-22-3 - Names and Identifiers
| Name | 5-Hydroxy-2-methylbenzoic acid |
| Synonyms | NSC 36283 5,2-Cresotic acid 5-Hydroxy-o-toluic Acid 5-hydroxy-2-Methybenzoic acid 5-Hydroxy-2-methylbenzoic acid 5-Hydroxy-2-Methyl-Benzoic Acid 5-HYDROXY-2-METHYL-BENZOIC ACID Benzoic acid, 5-hydroxy-2-methyl- |
| CAS | 578-22-3 |
| InChI | InChI=1/C8H8O3/c1-5-2-3-6(9)4-7(5)8(10)11/h2-4,9H,1H3,(H,10,11) |
578-22-3 - Physico-chemical Properties
| Molecular Formula | C8H8O3 |
| Molar Mass | 152.15 |
| Density | 1.304 |
| Melting Point | 182-187 °C |
| Boling Point | 343.8±30.0 °C(Predicted) |
| Flash Point | 175.9°C |
| Water Solubility | Slightly soluble in water. |
| Vapor Presure | 2.63E-05mmHg at 25°C |
| Appearance | Yellow powder |
| pKa | 3.78±0.25(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.599 |
| MDL | MFCD09833184 |
578-22-3 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| 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 |
578-22-3 - Introduction
The chemical formula is C8H8O3, which is an organic acid. The following is a description of its nature, use, preparation and safety information:
Nature:
-or acid is a white crystalline solid.
-It is almost insoluble in water at room temperature, but soluble in organic solvents such as ethanol and ether.
-It is acidic and can neutralize with alkali.
Use:
-acid is an important organic synthesis intermediate, which is widely used in the fields of medicine, dyes and spices.
-It can be used to synthesize drugs, dyes and fragrance compounds, such as amino acid derivatives, horizontal molecular arsenic compounds and vanilla fragrance substances.
Preparation Method:
There are many ways to prepare acid, one of which is commonly used by hydroxyacylation of carbonyl compounds (such as p-cresol).
Safety Information:
-no obvious toxicity of acid.
-When using or preparing, it is recommended to take appropriate laboratory safety measures, such as wearing protective glasses and gloves, and maintaining good ventilation.
-When storing, it should be kept in a dry, cool place, and avoid contact with oxidants and strong alkalis.
it should be noted that the above information is for reference only, and the specific nature, use, method and safety information should be comprehensively considered and operated according to the actual situation and experimental requirements.
Nature:
-or acid is a white crystalline solid.
-It is almost insoluble in water at room temperature, but soluble in organic solvents such as ethanol and ether.
-It is acidic and can neutralize with alkali.
Use:
-acid is an important organic synthesis intermediate, which is widely used in the fields of medicine, dyes and spices.
-It can be used to synthesize drugs, dyes and fragrance compounds, such as amino acid derivatives, horizontal molecular arsenic compounds and vanilla fragrance substances.
Preparation Method:
There are many ways to prepare acid, one of which is commonly used by hydroxyacylation of carbonyl compounds (such as p-cresol).
Safety Information:
-no obvious toxicity of acid.
-When using or preparing, it is recommended to take appropriate laboratory safety measures, such as wearing protective glasses and gloves, and maintaining good ventilation.
-When storing, it should be kept in a dry, cool place, and avoid contact with oxidants and strong alkalis.
it should be noted that the above information is for reference only, and the specific nature, use, method and safety information should be comprehensively considered and operated according to the actual situation and experimental requirements.
Last Update：2024-04-09 15:17:58
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