2-Hydroxy-2-methylpropanol
2-Methylpropane-1,2-diol
CAS: 558-43-0
Molecular Formula: C4H10O2
2-Hydroxy-2-methylpropanol - Names and Identifiers
| Name | 2-Methylpropane-1,2-diol |
| Synonyms | Isobutene glycol Isobutene Glycol 2-methylpropane-1 1,2-Dihydroxyisobutane 2-methylpropane-1,2-diol 2-Methyl-1,2-propanediol 2-Methylpropane-1,2-diol 1,2-Propanediol,2-Methyl- 2-Hydroxy-2-methylpropanol 1,2-Dihydroxy-2-methylpropane 1,2-Propanol, 1-chloro-2-methyl- 2-methylpropane-1,2-diol 558-43-0 |
| CAS | 558-43-0 |
| EINECS | 209-198-5 |
| InChI | InChI=1/C4H10O2/c1-4(2,6)3-5/h5-6H,3H2,1-2H3 |
2-Hydroxy-2-methylpropanol - Physico-chemical Properties
| Molecular Formula | C4H10O2 |
| Molar Mass | 90.12 |
| Density | 1.005 |
| Melting Point | 0.07°C (estimate) |
| Boling Point | 176℃ |
| Flash Point | 74℃ |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.342mmHg at 25°C |
| Appearance | Oil |
| Color | Clear Colourless |
| pKa | 14.56±0.29(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4340 |
2-Hydroxy-2-methylpropanol - Introduction
2-Methylpropane-1,2-diol, also known as 2-Methylpropane-1,2-diol, the chemical formula is C4H10O2. The following is a description of its nature, use, preparation and safety information:
Nature:
1. Appearance: 2-Methylpropane-1,2-diol is a colorless to yellow liquid.
2. melting point: about -12 ℃.
3. Boiling point: about 221-226 ℃.
4. Stability: 2-Methylpropane-1,2-diol has good stability and is not easy to be oxidized by air.
5. Solubility: The compound is soluble in water and most organic solvents.
Use:
1. cosmetic industry: 2-Methylpropane-1,2-diol can be used as moisturizer, moisturizer and softener in skin care products and personal care products.
2. Organic synthesis: It can be used as a solvent and intermediate in organic synthesis.
3. pharmaceutical industry: it is used as a solvent and additive in the preparation of some drugs.
Preparation Method:
Common methods for the preparation of 2-Methylpropane-1,2-diol include the following:
1. Through the catalytic epoxidation reaction of propylene oxide, and using an appropriate alcohol-based catalyst to open the propylene oxide to generate the target product.
2. It can be obtained by reacting 2-propanol with methanol in the presence of a base.
Safety Information:
1. 2-Methylpropane-1,2-diol is a flammable liquid that needs to be protected from fire and high temperatures.
2. use should be careful to avoid inhalation, contact with skin and eyes, and swallowing.
3, such as accidental contact or inhalation, should immediately wash or medical treatment.
4. should be stored in a cool, ventilated and dry place, avoid direct sunlight.
Summary: 2-Methylpropane-1,2-diol is a colorless to yellow liquid with good solubility. It is widely used in cosmetics, organic synthesis and pharmaceutical industry. The preparation method includes the epoxidation reaction of propylene oxide and the reaction of 2-propanol with methanol. Care should be taken during use and storage to observe safe operating practices.
Nature:
1. Appearance: 2-Methylpropane-1,2-diol is a colorless to yellow liquid.
2. melting point: about -12 ℃.
3. Boiling point: about 221-226 ℃.
4. Stability: 2-Methylpropane-1,2-diol has good stability and is not easy to be oxidized by air.
5. Solubility: The compound is soluble in water and most organic solvents.
Use:
1. cosmetic industry: 2-Methylpropane-1,2-diol can be used as moisturizer, moisturizer and softener in skin care products and personal care products.
2. Organic synthesis: It can be used as a solvent and intermediate in organic synthesis.
3. pharmaceutical industry: it is used as a solvent and additive in the preparation of some drugs.
Preparation Method:
Common methods for the preparation of 2-Methylpropane-1,2-diol include the following:
1. Through the catalytic epoxidation reaction of propylene oxide, and using an appropriate alcohol-based catalyst to open the propylene oxide to generate the target product.
2. It can be obtained by reacting 2-propanol with methanol in the presence of a base.
Safety Information:
1. 2-Methylpropane-1,2-diol is a flammable liquid that needs to be protected from fire and high temperatures.
2. use should be careful to avoid inhalation, contact with skin and eyes, and swallowing.
3, such as accidental contact or inhalation, should immediately wash or medical treatment.
4. should be stored in a cool, ventilated and dry place, avoid direct sunlight.
Summary: 2-Methylpropane-1,2-diol is a colorless to yellow liquid with good solubility. It is widely used in cosmetics, organic synthesis and pharmaceutical industry. The preparation method includes the epoxidation reaction of propylene oxide and the reaction of 2-propanol with methanol. Care should be taken during use and storage to observe safe operating practices.
Last Update：2024-04-09 21:32:42
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Spot supply
Product Name: Isobutene Glycol Visit Supplier Webpage Request for quotationCAS: 558-43-0
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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