Diethyl sulfite, 98%, Thermo Scientific™

Specifications

Chemical Identifiers

• CAS: 623-81-4
• Molecular Formula: C4H10O3S
• Molecular Weight (g/mol): 138.18
• MDL Number: MFCD00009098
• InChI Key: NVJBFARDFTXOTO-UHFFFAOYSA-N
• Synonym: sulfurous acid, diethyl ester, ethyl sulfite, diethyl sulphite, ethyl sulfite, et2so3, diethylsulfite, ethoxysulfinyl ethoxy, diethylsulfit, sulfurous acid diethyl, diethyl sulfite, sulfurous acid diethyl ester
• PubChem CID: 12197
• IUPAC Name: diethyl sulfite
• SMILES: CCOS(=O)OCC

• Color: Colorless
• Density: 1.0800g/mL
• Boiling Point: 158°C to 160°C
• Flash Point: 53°C
• Infrared Spectrum: Authentic
• Assay Percent Range: 97.5% min. (GC)
• Packaging: Glass bottle
• Refractive Index: 1.4130 to 1.415
• Linear Formula: (C₂H₅O)₂SO
• Quantity: 10 g
• Beilstein: 01, 325
• Specific Gravity: 1.08
• Formula Weight: 138.18
• Percent Purity: 98%
• Physical Form: Liquid
• Chemical Name or Material: Diethyl sulfite, 98%

Safety and Handling

Hazard Category	GHS Signal Word: Warning
Hazard Statement	GHS H Statement: May cause respiratory irritation. Causes skin irritation. Causes serious eye irritation. Flammable liquid and vapor.
Precautionary Statement	GHS P Statement: Avoid breathing dust/fume/gas/mist/vapors/spray. IF ON SKIN: Wash with plenty of soap and water. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
EINECSNumber	210-815-5

SDS

RUO – Research Use Only