亚硫酸丙烯酯
1,3-propylene sulfite
CAS: 4176-55-0
Molecular Formula: C3H6O3S
亚硫酸丙烯酯 - Names and Identifiers
| Name | 1,3-propylene sulfite |
| Synonyms | PROPYLENE SULFITE Trimethylene Sulfite trimethylene sulphite 1,3-Propylene Sulfite 1,3-propylene sulfite PROPYLENE GLYCOL SULFITE 1,3,2-Dioxathiane 2-oxide PROPANE 1,2-CYCLIC SULFITE [1,3,2]Dioxathiane 2-oxide 5-(diethylamino)-3-methyl-1-pentyn-3-ol hydrochloride |
| CAS | 4176-55-0 |
| EINECS | 224-044-7 |
| InChI | InChI=1/C3H6O3S/c4-7-5-2-1-3-6-7/h1-3H2 |
亚硫酸丙烯酯 - Physico-chemical Properties
| Molecular Formula | C3H6O3S |
| Molar Mass | 122.14 |
| Density | 1.347 g/mL at 25 °C |
| Melting Point | -14 °C |
| Boling Point | 54°C/8mmHg(lit.) |
| Flash Point | 83℃ |
| Vapor Presure | 0.866mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Almost colorless |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D1.453 |
| MDL | MFCD01682880 |
亚硫酸丙烯酯 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R43 - May cause sensitization by skin contact |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 1993 / PGIII |
| WGK Germany | 3 |
亚硫酸丙烯酯 - Introduction
1,3-propylene sulfite is an organic compound with the chemical formula C3H6O3S. The following is a description of the nature, use, preparation and safety information of 1,3-propylene sulfite:
Nature:
-Appearance: 1,3-propylene sulfite is a colorless to slightly yellow liquid.
-Solubility: 1,3-propylene sulfite is easily soluble in water and organic solvents, such as alcohols and ethers.
-Stability: relatively stable at room temperature, but easy to be oxidized.
Use:
- 1,3-propylene sulfite are widely used as coupling reagents for sulfite esters in organic synthesis reactions.
-It can be used as a stabilizer for high molecular polymers, especially for polyurethane materials.
Preparation Method:
- 1,3-propylene sulfite can be prepared by reacting allyl alcohol with sulfurous acid. The chemical equation of the reaction is: C3H6O H2SO3 → C3H6O3S H2O.
Safety Information:
- 1,3-propylene sulfite should be stored in a dry, well-ventilated place, away from fire and oxidizing agents.
-Wear appropriate personal protective equipment such as goggles, gloves and protective clothing when operating 1,3-propylene sulfite.
-Avoid bringing 1,3-propylene sulfite into contact with skin, eyes or respiratory tract. In case of accidental contact, rinse immediately with plenty of water; in case of discomfort, seek medical help.
- 1,3-propylene sulfite is toxic to the environment and should be avoided from entering water or soil. Waste after use should be disposed of in accordance with local regulations.
Nature:
-Appearance: 1,3-propylene sulfite is a colorless to slightly yellow liquid.
-Solubility: 1,3-propylene sulfite is easily soluble in water and organic solvents, such as alcohols and ethers.
-Stability: relatively stable at room temperature, but easy to be oxidized.
Use:
- 1,3-propylene sulfite are widely used as coupling reagents for sulfite esters in organic synthesis reactions.
-It can be used as a stabilizer for high molecular polymers, especially for polyurethane materials.
Preparation Method:
- 1,3-propylene sulfite can be prepared by reacting allyl alcohol with sulfurous acid. The chemical equation of the reaction is: C3H6O H2SO3 → C3H6O3S H2O.
Safety Information:
- 1,3-propylene sulfite should be stored in a dry, well-ventilated place, away from fire and oxidizing agents.
-Wear appropriate personal protective equipment such as goggles, gloves and protective clothing when operating 1,3-propylene sulfite.
-Avoid bringing 1,3-propylene sulfite into contact with skin, eyes or respiratory tract. In case of accidental contact, rinse immediately with plenty of water; in case of discomfort, seek medical help.
- 1,3-propylene sulfite is toxic to the environment and should be avoided from entering water or soil. Waste after use should be disposed of in accordance with local regulations.
Last Update：2024-04-10 22:29:15
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CAS: 4176-55-0
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