Description

1,3-Propane Sultone (CAS No. 1120-71-4) is a highly versatile and reactive sulfonic acid derivative with the molecular formula C₃H₆O₃S. This cyclic sulfonate ester is widely utilized in organic synthesis, pharmaceuticals, and specialty chemical applications due to its ability to act as a sulfonating agent. It is a colorless to pale yellow liquid with a characteristic odor and is soluble in many organic solvents. The compound is known for its role in the synthesis of surfactants, detergents, and zwitterionic buffers, as well as in the modification of polymers and resins. Due to its reactivity, it must be handled with care under controlled conditions to ensure safety and optimal performance.

Our high-purity 1,3-Propane Sultone is rigorously tested for quality, ensuring low levels of impurities (<200 ppm acid, <100 ppm H₂O) and consistent performance in demanding applications. It is supplied in sealed containers to maintain stability and purity.

Properties

• CAS Number: 1120-71-4
• Complexity: 140
• IUPAC Name: oxathiolane 2,2-dioxide
• InChI: InChI=1S/C3H6O3S/c4-7(5)3-1-2-6-7/h1-3H2
• InChI Key: FSSPGSAQUIYDCN-UHFFFAOYSA-N
• Exact Mass: 122.00376522
• Molecular Formula: C3H6O3S
• Molecular Weight: 122.15
• SMILES: C1COS(=O)(=O)C1
• Topological: 51.8
• Monoisotopic Mass: 122.00376522
• Physical Description: Propane sultone appears as white crystalline solid or a colorless liquid . Releases a foul odor when melting.
• Color/Form: COLORLESS LIQ OR WHITE CRYSTALS
• Odor: Foul odor above 31.11 °C.
• Boiling Point: 180 °C at 0.039 atm.
• Melting Point: 86 °F
• Flash Point: greater than 235 °F
• Solubility: 10 %
• Density: 1.39 – Denser than water; will sink
• Vapor Pressure: 0.27 [mmHg]
• Refractive Index: INDEX OF REFRACTION: 1.450 @ 40 °C/D
• Synonyms: 1,3-Propanesultone, 1120-71-4, 1,3-PROPANE SULTONE, Propane sultone, 1,2-oxathiolane 2,2-dioxide, 1,2-Oxathiolane, 2,2-dioxide, Propanesultone, PROPYL SULTONE, CCRIS 535, 1,2-Oxathrolane 2,2-dioxide, HSDB 1673, UNII-L6NTK7VJX9, L6NTK7VJX9, EINECS 214-317-9, BRN 0109782, DTXSID8021195, 1,3-TRIMETHYLENE SULTONE, AI3-26990, NSC-42386, 3-Hydroxy-1-propanesulfonic acid, sultone, DTXCID001195, EC 214-317-9, 5-19-01-00005 (Beilstein Handbook Reference), NSC42386, 1,3-PROPANE SULTONE [HSDB], 1,3-PROPANE SULTONE [IARC], 1,3-PROPANE SULTONE (IARC), 1,3propanesultone, 1,3propane sultone, 1,2-OXATHROLANE, Propane sultone (ACGIH), 3Hydroxythietane1,1Dioxide, 1,2Oxathrolane 2,2dioxide, 1,2Oxathiolane, 2,2dioxide, 1,2-oxathiolane-2,2-dioxide, 3Hydroxy1propanesulphonic acid sultone, 3-Hydroxy-1-propanesulphonic acid sulfone, 3Hydroxy1propanesulfonic acid gammasultone, 1Propanesulfonic acid, 3hydroxy, gammasultone, 1-Propanesulfonic acid, 3-hydroxy-gamma-sultone, 3-hydroxythietane-1,1-dioxide, fsspgsaquiydcn-uhfffaoysa-n, oxathiolane 2,2-dioxide, .gamma.-Propane sultone, RCRA waste number U193, NSC 42386, 3-Hydroxy-1-propanesulfonic acid gamma-sultone, 1,3-Propanesulfonate, 3-Hydroxy-1-propanesulphonic acid sultone, MFCD00005355, CHEBI:82370, 1,2lambda6-oxathiolane-2,2-dione, 3-Hydroxy-1-propanesulfonic acid .gamma.-sultone, 1-Propanesulfonic acid, 3-hydroxy-, .gamma.-sultone, CAS-1120-71-4, RCRA waste no. U193, 3-HYDROXY-1-PROPANESULFONIC ACID SULTONE, 1-Propanesulfonic acid, 3-hydroxy-, gamma-sultone, propane-1,3-sultone, 3-Hydroxypropanesulfonic acid gamma-sultone, WLN: T5OSWTJ, SCHEMBL46068, 1,3-Propanesultone, 98%, 1,2-oxathiolane-2,2-dione, 1,2-Oxathrolane2,2-dioxide, 1,3-Propanesultone, >=99%, CHEMBL3185243, SCHEMBL28936675, [1,2]oxathiolane 2,2-dioxide, Tox21_201419, Tox21_300066, BBL036695, STL559074, AKOS000119611, CS-W011195, FP27191, GS-6714, HY-W010479, 3-Hydroxypropanesulfonic acid ?-sultone, 1-Propanesulfonic acid, .gamma.-sultone, NCGC00247894-01, NCGC00247894-02, NCGC00254117-01, NCGC00258970-01, BP-21435, 3-hydroxy-1-propanesulfonic acid w-sultone, NS00002915, P0324, ST51038136, EN300-21242, C19296, D77717, 1-Propanesulfonic acid, 3-hydroxy-.gamma.-sultone, Q1933902, F0001-0265, 1,3-Propanesultone, >=99%, acid <200 ppm, H2O <100 ppm, 3-Hydroxy-1-propanesulfonic acid ?-sultone;2,2-Dioxide 1,2-oxathiolane;1,3-Trimethylene sultone

1,3-Propane Sultone is primarily used as a sulfonating agent in the synthesis of surfactants, detergents, and zwitterionic compounds. It is also employed in the production of specialty polymers and resins, where it enhances thermal and chemical resistance. In pharmaceuticals, it serves as an intermediate for drug formulations and buffer systems. Due to its reactivity, it is commonly used in controlled environments for precise chemical modifications.

Safety and Hazards

GHS Hazard Statements

• H301: Toxic if swallowed [Danger Acute toxicity, oral]
• H311: Toxic in contact with skin [Danger Acute toxicity, dermal]
• H315: Causes skin irritation [Warning Skin corrosion/irritation]
• H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
• H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]
• H350: May cause cancer [Danger Carcinogenicity]
• H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
• H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
• H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P203, P260, P261, P262, P264, P264+P265, P270, P271, P273, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P308+P316, P316, P317, P318, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P405, and P501

Hazard Classes and Categories

• Acute Tox. 3 (65.1%)
• Acute Tox. 4 (34.9%)
• Acute Tox. 3 (64.7%)
• Acute Tox. 4 (35.3%)
• Skin Irrit. 2 (64.7%)
• Eye Dam. 1 (64.7%)
• Eye Irrit. 2 (16.6%)
• Acute Tox. 4 (64.7%)
• Muta. 2 (64.7%)
• Carc. 1B (100%)
• Aquatic Chronic 3 (43.2%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.