1,3-Propane sultone

Independent reference data for 1,3-Propane sultone (CAS 1120-71-4), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

1,3-Propane sultone is used as a chemical intermediate to introduce sulfopropyl groups into molecules and to confer water solubility and anionic character.Used as a chemical intermediate in the production of organic chemicals; [HSDB]

Synonyms and trade names

1120-71-4; 1,3-PROPANE SULTONE; Propane sultone; 1,2-oxathiolane 2,2-dioxide; Propanesultone; 1,2-Oxathiolane, 2,2-dioxide; RCRA waste number U193; DTXSID8021195; 3-Hydroxy-1-propanesulfonic acid gamma-sultone; 1,2-Oxathrolane 2,2-dioxide; 3-Hydroxy-1-propanesulphonic acid sultone; L6NTK7VJX9; 3-HYDROXY-1-PROPANESULFONIC ACID SULTONE; NSC-42386; 1-Propanesulfonic acid, 3-hydroxy-, gamma-sultone; DTXCID001195

GHS hazard classification

Reported hazard statements	H302, H312, H350, H301, H311 (21.2%), H315 (64.7%), H318 (64.7%), H319 (16.6%)

H302: Harmful if swallowed [Warning Acute toxicity, oral]

H312: Harmful in contact with skin [Warning Acute toxicity, dermal]

What the public record says

1,3-Propane sultone · CAS 1120-71-4 · C3H6O3S. UNII L6NTK7VJX9. Odor: Foul odor above 31.11 °C.; Boiling Point: 180 °C at 0.039 atm.; Melting Point: 86 °F (NIOSH, 2024).

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.