1,3-Propane sultone CAS 1120-71-4
1.3-Propane sultone (1.3-PS), also known as 1.3-propanesultone or 1.3-propane sulfone inner ester, is a cyclic sulfone ester with the molecular formula C₃H₆O₃S and a molecular weight of 122.14 g/mol. It appears as a colorless to light yellow liquid or crystalline solid, with a melting point of 30–33°C and a boiling point of 180°C (30 mmHg). 1.3-PS is highly reactive, capable of introducing sulfonic acid groups via reactions with metal alkoxides, phenolates, amines, and alcohols under basic conditions. It is widely used as an organic synthesis intermediate, particularly in electrolytes for lithium-ion batteries to inhibit electrode surface side reactions and enhance battery performance. Additionally, 1.3-PS serves as a sulfonating agent in dyes, surfactants, and pharmaceuticals. However, its toxicity (IARC 2A carcinogen) necessitates strict handling protocols to avoid skin and eye contact.
Usage：Antibacterial synergist, combined with sulfonamides to enhance antibacterial effect, is also used in avian coccidiosis and intestinal bacterial infection.
Packaging and Shipping：25kgs/Drum or as required by buyer.
Storage:Ventilated low temperature drying warehouse;Store separately with food raw materials, oxidants and halogenated hydrocarbons.
| Name | 1.3-Propane sultone |
| Synonyms | 1.3-PS PROPANE SULTONE Propane sultone 1.3-Propanesulton 1.3-PROPANESULTONE 1.3-Propanesultone 1.3-Propane sultone 2-Mercapto thiazoline 1.2-Oxathiolane-2.2-dioxide 1.2-Oxathiolane 2.2-dioxide 1.2-OXATHIOLANE, 2.2-DIOXIDE 3-HYDROXY-1-PROPANE SULFONIC SULTONE 3-HYDROXYPROPANESULFONIC ACID SULTONE 3-HYDROXY-1-PROPANESULFONIC ACID SULTONE 3-HYDROXYPROPANESULFONIC ACID GAMMA-SULTONE 3-HYDROXY-1-PROPANESULFONIC ACID GAMMA-SULTONE 3-Hydroxy-1-propanesulfonic acid gamma-sultone 3-Hydroxy-1-propanesulphonic acid gamma-sultone 3-Hydroxy-1-propanesulfonic acid (gamma) sultone 1.2-OXATHIOLANE 2.2-DIOXIDE (1.3-PROPANE SULTONE) |
| CAS | 1120-71-4 |
| EINECS | 214-317-9 |
| InChI | InChI=1/C3H6O3S/c/h1-3H2 |
| InChIKey | FSSPGSAQUIYDCN-UHFFFAOYSA-N |
| Molecular Formula | C3H6O3S |
| Molar Mass | 122.14 |
| Density | 1.392 g/mL at 25 °C (lit.) |
| Melting Point | 30-33 °C (lit.) |
| Boling Point | 180 °C/30 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | Slightly soluble |
| Vapor Presure | 0.00237mmHg at 25°C |
| Appearance | powder |
| BRN | 109782 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Stable, but moisture sensitive. Incompatible with strong oxidizing agents, strong acids, strong bases. |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.4332 (estimate) |
| Physical and Chemical Properties | Density: 1.392 Melting Point: 30-33°C Boiling Point: 180 ° C (30 mmHg) flash point: 110°C water-soluble easily soluble |
| Use | It is used in leather making, printing ink and the synthesis of sensitizing dyes. 1. 3-propanesulfonolactone is a new functional fine chemical material. It can react with many kinds of compounds under very mild conditions and accurately provide sulfonic acid groups, thus endowing these compounds with new properties. It is an excellent universal sulfonating agent, is also an important pharmaceutical intermediates, also applied to brighteners, dyes, double ionic surfactants, sulfonation |
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