亚硫酸1,2-丙二醇酯
4-methyl-1,3,2-dioxathiolane 2-oxide
CAS: 1469-73-4
Molecular Formula: C3H6O3S
亚硫酸1,2-丙二醇酯 - Names and Identifiers
| Name | 4-methyl-1,3,2-dioxathiolane 2-oxide |
| Synonyms | NSC 44145 NSC 525703 1,2-Propanediol sulfite 1,2-PROPYLENEGLYCOL SULFITE 1,2-Propanediol cyclic sulfite 4-methyl-1,3,2-dioxathiolane 2-oxide 1,3,2-Dioxathiolane,4-Methyl-, 2-oxide 4-Methyl-1,3-dioxa-2-thia(IV)cyclopentan-2-one |
| CAS | 1469-73-4 |
| InChI | InChI=1/C3H6O3S/c1-3-2-5-7(4)6-3/h3H,2H2,1H3 |
亚硫酸1,2-丙二醇酯 - Physico-chemical Properties
| Molecular Formula | C3H6O3S |
| Molar Mass | 122.14 |
| Density | 1.293 at 25 °C |
| Boling Point | 92℃ (40 Torr) |
| Flash Point | 80℃ |
| Vapor Presure | 1.57mmHg at 25°C |
| Refractive Index | 1.4602 (589.3 nm 25℃ |
亚硫酸1,2-丙二醇酯 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 3 |
| RTECS | WT3500000 |
亚硫酸1,2-丙二醇酯 - Introduction
4-methyl-1,3,2-dioxathiolane 2-oxide is an organic compound with the chemical formula C5H8O3S. The following is an introduction to its nature, use, preparation and safety information:
Nature:
-Appearance: 4-methyl-1,3,2-dioxathiolane 2-oxide is a colorless to pale yellow liquid.
-Odor: There is a special sulfate odor.
-Density: The density is about 1.18g/cm³.
-Boiling point: its boiling point is about 140 ℃.
-Solubility: Soluble in water and alcohol solvents.
Use:
- 4-methyl-1,3,2-dioxathiolane 2-oxide is mainly used as a photoinitiator. It can be excited by absorbing ultraviolet or visible light to generate free radicals or ions, thereby triggering a chemical reaction in the photosensitive system. This reaction is widely used in the curing and printing industries of light-Cured Coatings, Inks, glues, etc.
-In addition, 4-methyl-1,3,2-dioxathiolane 2-oxide can also be used in research in chemical synthesis and reactions in other fields.
Method:
4-methyl-1,3,2-dioxathiolane 2-oxide The common preparation method is obtained by the reaction of methyl sulfuric acid and vinyl ester. The specific preparation can be carried out by heating a mixture of methanoic acid and vinyl ester.
Safety Information:
- 4-methyl-1,3,2-dioxathiolane 2-oxide is irritating and should avoid contact with skin and eyes. Wear appropriate protective equipment such as gloves and goggles when in use.
-Inhalation of its vapor or ingestion may cause harm to health, should be kept away from the mouth and nose, to avoid inhalation of its vapor.
-During storage and handling, care should be taken to avoid contact with oxidants and strong acids to avoid dangerous reactions.
-Observe appropriate safety procedures when using or handling the compound, and carry out appropriate protection and safe disposal according to the situation.
Nature:
-Appearance: 4-methyl-1,3,2-dioxathiolane 2-oxide is a colorless to pale yellow liquid.
-Odor: There is a special sulfate odor.
-Density: The density is about 1.18g/cm³.
-Boiling point: its boiling point is about 140 ℃.
-Solubility: Soluble in water and alcohol solvents.
Use:
- 4-methyl-1,3,2-dioxathiolane 2-oxide is mainly used as a photoinitiator. It can be excited by absorbing ultraviolet or visible light to generate free radicals or ions, thereby triggering a chemical reaction in the photosensitive system. This reaction is widely used in the curing and printing industries of light-Cured Coatings, Inks, glues, etc.
-In addition, 4-methyl-1,3,2-dioxathiolane 2-oxide can also be used in research in chemical synthesis and reactions in other fields.
Method:
4-methyl-1,3,2-dioxathiolane 2-oxide The common preparation method is obtained by the reaction of methyl sulfuric acid and vinyl ester. The specific preparation can be carried out by heating a mixture of methanoic acid and vinyl ester.
Safety Information:
- 4-methyl-1,3,2-dioxathiolane 2-oxide is irritating and should avoid contact with skin and eyes. Wear appropriate protective equipment such as gloves and goggles when in use.
-Inhalation of its vapor or ingestion may cause harm to health, should be kept away from the mouth and nose, to avoid inhalation of its vapor.
-During storage and handling, care should be taken to avoid contact with oxidants and strong acids to avoid dangerous reactions.
-Observe appropriate safety procedures when using or handling the compound, and carry out appropriate protection and safe disposal according to the situation.
Last Update：2024-04-10 22:29:15
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