Description
Dipropyl Sulfite (CAS 623-98-3) is a high-purity organosulfur compound with the molecular formula C6H14O3S, widely utilized in chemical synthesis and material science applications. This colorless to pale yellow liquid exhibits excellent reactivity as a sulfite ester, making it a valuable intermediate for organic transformations, including esterification and sulfonation reactions. With a boiling point of approximately 190-195°C and a molecular weight of 166.24 g/mol, it is optimized for precision laboratory use. Our product is rigorously tested for purity (≥98% by GC) and consistency, ensuring reliable performance in sensitive research environments. Packaged under inert gas to prevent degradation, it is ideal for applications requiring controlled sulfur-based reagents.
Properties
- CAS Number: 623-98-3
- Complexity: 85
- IUPAC Name: dipropyl sulfite
- InChI: InChI=1S/C6H14O3S/c1-3-5-8-10(7)9-6-4-2/h3-6H2,1-2H3
- InChI Key: MAIQPVFXODAAIG-UHFFFAOYSA-N
- Exact Mass: 166.06636548
- Molecular Formula: C6H14O3S
- Molecular Weight: 166.24
- SMILES: CCCOS(=O)OCCC
- Topological: 54.7
- Monoisotopic Mass: 166.06636548
- Synonyms: Dipropyl sulfite, di-n-Propyl sulfite, Di-n-propyl sulphite, Sulfurous acid, dipropyl ester, Dipropyl sulphite, Dipropyl ester of sulfurous acid, Sulphurous acid dipropyl ester, MAIQPVFXODAAIG-UHFFFAOYSA-, CHEBI:132291, DTXSID40211370, DTXCID40133861, 676-626-9, inchi=1/c6h14o3s/c1-3-5-8-10(7)9-6-4-2/h3-6h2,1-2h3, maiqpvfxodaaig-uhfffaoysa-n, 623-98-3, di-n-propylsulfite, Sulfurous acid dipropyl ester, DL-N-Propyl Sulfite, Di-n-propylsulfit, SCHEMBL186293, MFCD00059404, AKOS028111038, BS-28927, DB-230261, CS-0207471, D0935, D89746
Application
Dipropyl Sulfite serves as a versatile reagent in organic synthesis, particularly in the preparation of sulfonated compounds and as a mild sulfite donor. It is employed in pharmaceutical intermediates and agrochemical research due to its ability to introduce sulfur-containing functional groups. Additionally, it finds use in polymer chemistry as a crosslinking agent or modifier for specialty resins.
Safety and Hazards
GHS Hazard Statements
- H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H335 (80%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statements
- P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Hazard Classes and Categories
- Skin Irrit. 2 (100%)
- Eye Irrit. 2 (100%)
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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.


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