Methyl sulfoxide, 99.9%, for spectroscopy, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10124280	Thermo Scientific Acros 167851000	100 mL	Glass Bottle
10438920	Thermo Scientific Acros 167852500	250 mL	Glass Bottle
10337730	Thermo Scientific Acros 167850010	1 L	Glass Bottle
10092060	Thermo Scientific Acros 167850025	2.5 L	Glass Bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

For UV/VIS spectroscopy

Chemical Identifiers

• CAS: 67-68-5
• Molecular Weight (g/mol): 78.13
• InChI Key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N
• PubChem CID: 679
• IUPAC Name: methylsulfinylmethane

• Molecular Formula: C2H6OS
• MDL Number: MFCD00002089
• Synonym: dimethyl sulfoxide, dmso, methyl sulfoxide, dimethylsulfoxide, dimethyl sulphoxide, methane, sulfinylbis, demsodrox, demasorb, demavet, dimexide
• ChEBI: CHEBI:28262
• SMILES: CS(C)=O

Specifications

• Melting Point: 18.4°C
• CAS: 67-68-5
• Density: 1.1000g/mL
• Flash Point: 87°C
• Refractive Index: 1.4770 to 1.4800
• Residue after Evaporation: 0.005% max.
• Molecular Formula: C2H6OS
• MDL Number: MFCD00002089
• Viscosity: 1.987 mPa.s (25°C)
• Water: 0.05% max.
• Merck Index: 15, 3285
• Solubility Information: Solubility in water: soluble. Other solubilities: soluble in alcohol, benzene, acetone, chloroform,, diethyl ether and aromatic hydrocarbons
• SMILES: CS(C)=O
• Molecular Weight (g/mol): 78.13
• ChEBI: CHEBI:28262
• Percent Purity: 99.9%
• Chemical Name or Material: Methyl sulfoxide, 99.9%

• Absorbance: 0.01 max. at 360nm, 0.05 max. at 320nm, 0.1 max. at 300nm, 0.2 max. at 290nm, 0.3 max. at 280nm, 0.5 max. at 270nm
• Decomposition Information: >190°C
• Boiling Point: 189.0°C
• Physical Form: Liquid at 20°C
• Assay Percent Range: 99.9%
• Specific Gravity: 1.1
• Linear Formula: (CH₃)₂SO
• Vapor Pressure: Vapor Pressure: 0.55mbar at 20°C
• Beilstein: 01, IV, 1277
• Fieser: 01,296; 02,157; 03,119; 04,192; 05,263; 06,225; 07,133; 08,198; 09,189; 10,166; 12,212; 13,124; 15,146; 16,149; 17,127
• Synonym: dimethyl sulfoxide, dmso, methyl sulfoxide, dimethylsulfoxide, dimethyl sulphoxide, methane, sulfinylbis, demsodrox, demasorb, demavet, dimexide
• InChI Key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N
• IUPAC Name: methylsulfinylmethane
• PubChem CID: 679
• Formula Weight: 78.13
• Grade: Spectroscopy

Safety and Handling

HYGROSCOPIC

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missing translation for 'rtecsNumber' : PV6210000

missing translation for 'tsca' : TSCA

Product Identifier

• Methyl sulfoxide

RUO – Research Use Only