1,4-Benzenediol, 2,5-dimethyl-
2,5-dimethylhydroquinone
CAS: 615-90-7
Molecular Formula: C8H10O2
1,4-Benzenediol, 2,5-dimethyl- - Names and Identifiers
1,4-Benzenediol, 2,5-dimethyl- - Physico-chemical Properties
| Molecular Formula | C8H10O2 |
| Molar Mass | 138.16 |
| Density | 1.0340 (rough estimate) |
| Melting Point | 212-215 °C |
| Boling Point | 193.57°C (rough estimate) |
| pKa | 10.85±0.23(Predicted) |
| Refractive Index | 1.4698 (estimate) |
1,4-Benzenediol, 2,5-dimethyl- - Introduction
2,5-dimethylhydroquinone is an organic compound with the chemical formula C9H12O2. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 2,5-dimethylhydroquinone is commonly found as a colorless to light yellow solid.
-Melting point: The melting point of this compound is about 155°C.
-Solubility: 2,5-dimethylhydroquinone can be dissolved in water and some organic solvents (such as ethanol, methanol, etc.).
Use:
-Cosmetics: 2,5-dimethylhydroquinone can be used as an antioxidant and moisturizer in some cosmetics to help protect the skin.
-Medicine: Some derivatives of this compound have pharmacological activity and are used in the synthesis of certain drugs.
-Other: It can also be used as a raw material for dyes, lubricants, antistatic agents, polymerization catalysts, etc.
Preparation Method:
The preparation of 2,5-dimethylhydroquinone is usually obtained by reacting the corresponding phthalic anhydride with an excess of methanol under acid-catalyzed conditions. After the reaction, the target compound can be obtained through the steps of crystallization, filtration, and drying.
Safety Information:
- 2,5-dimethylhydroquinone is relatively stable, but long-term exposure to sunlight should be avoided to prevent unnecessary reactions with oxygen.
-During operation, avoid inhaling its dust or contact with skin and eyes to avoid irritation.
-If ingested, inhaled, or exposed to this compound, seek prompt medical assistance or a poison control center.
Nature:
-Appearance: 2,5-dimethylhydroquinone is commonly found as a colorless to light yellow solid.
-Melting point: The melting point of this compound is about 155°C.
-Solubility: 2,5-dimethylhydroquinone can be dissolved in water and some organic solvents (such as ethanol, methanol, etc.).
Use:
-Cosmetics: 2,5-dimethylhydroquinone can be used as an antioxidant and moisturizer in some cosmetics to help protect the skin.
-Medicine: Some derivatives of this compound have pharmacological activity and are used in the synthesis of certain drugs.
-Other: It can also be used as a raw material for dyes, lubricants, antistatic agents, polymerization catalysts, etc.
Preparation Method:
The preparation of 2,5-dimethylhydroquinone is usually obtained by reacting the corresponding phthalic anhydride with an excess of methanol under acid-catalyzed conditions. After the reaction, the target compound can be obtained through the steps of crystallization, filtration, and drying.
Safety Information:
- 2,5-dimethylhydroquinone is relatively stable, but long-term exposure to sunlight should be avoided to prevent unnecessary reactions with oxygen.
-During operation, avoid inhaling its dust or contact with skin and eyes to avoid irritation.
-If ingested, inhaled, or exposed to this compound, seek prompt medical assistance or a poison control center.
Last Update：2024-04-09 15:16:33
