4-amino-2,5-xylenol
4-amino-2,5-dimethylphenol
CAS: 3096-71-7
Molecular Formula: C8H11NO
4-amino-2,5-xylenol - Names and Identifiers
| Name | 4-amino-2,5-dimethylphenol |
| Synonyms | 4-AMINO-2,5-XYLENOL 4-amino-2,5-xylenol 2,5-Dimethyl-4-aminophenol 4-amino-2,5-dimethylphenol 4-AMINO-2,5-DIMETHYLPHENOL 4-azanyl-2,5-dimethyl-phenol 2,5-dimethyl-4-hydroxy aniline 4-AMINO-2,5-DIMETHYLPHENOL, TECH. 4-Amino-2,5-dimethylphenol technical grade |
| CAS | 3096-71-7 |
| EINECS | 221-449-0 |
| InChI | InChI=1/C8H11NO/c1-5-4-8(10)6(2)3-7(5)9/h3-4,10H,9H2,1-2H3 |
4-amino-2,5-xylenol - Physico-chemical Properties
| Molecular Formula | C8H11NO |
| Molar Mass | 137.18 |
| Density | 1.118±0.06 g/cm3(Predicted) |
| Melting Point | 242-243 °C (lit.) |
| Boling Point | 288.4±28.0 °C(Predicted) |
| Flash Point | 128.2°C |
| Vapor Presure | 0.00135mmHg at 25°C |
| Appearance | Solid |
| Color | White to beige |
| pKa | pK1: 5.28(+1);pK2: 10.40(0) (25°C) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Stability | Stable. Incompatible with acids, chloroformates, acid anhydrides, acid chlorides, strong oxidizing agents. |
| Refractive Index | 1.6 |
| MDL | MFCD00007873 |
4-amino-2,5-xylenol - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - 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. S37/39 - Wear suitable gloves and eye/face protection S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| HS Code | 29222990 |
4-amino-2,5-xylenol - Introduction
4-amino-2,5-dimethylphenol is an organic compound with the chemical formula C9H13NO, which structurally contains one amino group and two methyl groups. The following is an introduction to some of its properties, uses, methods and safety information:
1. Nature:
-Appearance: 4-amino-2,5-dimethylphenol is a white crystalline solid.
-Solubility: It is insoluble in water, but soluble in organic solvents (such as alcohols and ethers).
-Melting point: Its melting point is about 120-124 ° C.
-Boiling point: Under normal pressure, its boiling point reaches 331 ° C.
- pH: 4-amino-2,5-dimethylphenol is usually neutral.
2. Use:
- 4-amino-2,5-dimethylphenol reacts with formyl chloride (p-formyl chloride) to produce barbital oxalate (barbital), which is a sedative drug.
-It is also often used as an intermediate in organic synthesis to synthesize other compounds, such as dyes and polymer materials.
3. Preparation method:
- 4-amino-2,5-dimethylphenol can be obtained by reacting p-dimethylphenol (2,5-dimethylphenol) with ammonia (NH3). The reaction can be carried out under basic conditions.
4. Safety Information:
- 4-amino-2,5-dimethylphenol should be stored in a cool, dry place, away from fire and oxidizing agents.
-Wear appropriate protection during operation, including goggles, lab coat and gloves.
-In case of contact with skin or eyes, rinse immediately with water. Seek medical help if necessary.
-Avoid inhaling the powder or smoke of the compound, and ensure that the operating environment is well ventilated.
Please note that when using chemicals, you should follow the correct laboratory safety operation methods and use them under the guidance of experienced professionals.
1. Nature:
-Appearance: 4-amino-2,5-dimethylphenol is a white crystalline solid.
-Solubility: It is insoluble in water, but soluble in organic solvents (such as alcohols and ethers).
-Melting point: Its melting point is about 120-124 ° C.
-Boiling point: Under normal pressure, its boiling point reaches 331 ° C.
- pH: 4-amino-2,5-dimethylphenol is usually neutral.
2. Use:
- 4-amino-2,5-dimethylphenol reacts with formyl chloride (p-formyl chloride) to produce barbital oxalate (barbital), which is a sedative drug.
-It is also often used as an intermediate in organic synthesis to synthesize other compounds, such as dyes and polymer materials.
3. Preparation method:
- 4-amino-2,5-dimethylphenol can be obtained by reacting p-dimethylphenol (2,5-dimethylphenol) with ammonia (NH3). The reaction can be carried out under basic conditions.
4. Safety Information:
- 4-amino-2,5-dimethylphenol should be stored in a cool, dry place, away from fire and oxidizing agents.
-Wear appropriate protection during operation, including goggles, lab coat and gloves.
-In case of contact with skin or eyes, rinse immediately with water. Seek medical help if necessary.
-Avoid inhaling the powder or smoke of the compound, and ensure that the operating environment is well ventilated.
Please note that when using chemicals, you should follow the correct laboratory safety operation methods and use them under the guidance of experienced professionals.
Last Update：2024-04-09 15:17:56
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