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Methyl sulfoxide, 99.9%, for spectroscopy, Thermo Scientific Chemicals Product Code.: 10438920
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Methyl sulfoxide, 99.9%, for spectroscopy, Thermo Scientific Chemicals

Product Code. 10438920 Shop All Thermo Scientific Chemicals Products
250 mL, Glass Bottle, 250mL
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Quantity:
100 mL
250 mL
1 L
2.5 L
Packaging:
Glass Bottle
Unit Size:
1 L
100mL
2.50 L
250mL
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Product Code. 10438920

Brand: Thermo Scientific Acros 167852500

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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

EcoSafPak™ is an environmentally friendly packaging system made of 100% recyclable material by a SFI certified supplier.

Chemical Identifiers

CAS 67-68-5
Molecular Formula C2H6OS
Molecular Weight (g/mol) 78.13
MDL Number MFCD00002089
InChI Key IAZDPXIOMUYVGZ-UHFFFAOYSA-N
Synonym dimethyl sulfoxide, dmso, methyl sulfoxide, dimethylsulfoxide, dimethyl sulphoxide, methane, sulfinylbis, demsodrox, demasorb, demavet, dimexide
PubChem CID 679
ChEBI CHEBI:28262
IUPAC Name methylsulfinylmethane
SMILES CS(C)=O

Specifications

Melting Point 18.4°C
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
Density 1.1000g/mL
Boiling Point 189.0°C
Quantity 250 mL
Flash Point 87°C
Packaging Glass Bottle
Physical Form Liquid at 20°C
Refractive Index 1.4770 to 1.4800
Assay Percent Range 99.9%
Residue after Evaporation 0.005% max.
Specific Gravity 1.1
Linear Formula (CH3)2SO
Vapor Pressure Vapor Pressure: 0.55mbar at 20°C
Viscosity 1.987 mPa.s (25°C)
Beilstein 01, IV, 1277
Water 0.05% max.
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
Merck Index 15, 3285
Solubility Information Solubility in water: soluble. Other solubilities: soluble in alcohol, benzene, acetone, chloroform,, diethyl ether and aromatic hydrocarbons
Formula Weight 78.13
Percent Purity 99.9%
Grade Spectroscopy
Chemical Name or Material Methyl sulfoxide, 99.9%
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Lot NumberA0468347 Certificate TypeCertificate of Analysis Date31/01/2025 Product Code167850025,167852500,167851000,167850010
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  • Methyl sulfoxide
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