Dimethyl sulfoxide ≥99.9% (by GC, corrected for water content), PHOTREX® for spectrophotometry, J.T.Baker®

Supplier: AVANTOR PERFORMANCE MATERIAL LLC
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Synonyms: Methyl sulfoxideDMSODimethyl(oxido)sulfurMethyl sulphoxideMethanesulphinylmethaneDimethyl(oxido)sulphurMethanesulfinylmethane

9194-03 BAKR9194-03 9194-33 BAKR9194-33
CAJT9194-33CS 10402.07 CAD
35001-238 CAJT9194-33 JT9194-33 CAJT9194-3
Dimethyl sulfoxide ≥99.9% (by GC, corrected for water content), PHOTREX® for spectrophotometry, J.T.Baker®
Dimethyl sulphoxide

For spectrophotometry. UV cutoff 270 nm. Lot analysis on label.

Formula: (CH₃)₂SO
MW: 78.14 g/mol
Boiling Pt: 189 °C (1013 hPa)
Melting Pt: 18.5 °C
Density: 1.101 g/cm³ (20 °C)
Flash Pt: 87 °C (closed cup)
MDL Number: MFCD00002089
CAS Number: 67-68-5
ADR: 4,
Merck Index: 13,03285
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Specification Test Results

For Laboratory,Research,or Manufacturing Use
Appearance Passes Test
ACS - Assay ((CH₃)₂SO) (by GC, corrected for water) ≥99.9 %
ACS - Residue after Evaporation ≤0.002 %
ACS - Titrable Acid (meq/g) ≤0.001
ACS - Water (by KF, coulometric) ≤0.1 %
Ultraviolet Absorbance (1.00-cm cell vs. water) (curve smooth throughout stated range with no extraneous impurity peaks) - 400-350 ≤0.01
Ultraviolet Absorbance (1.00-cm cell vs. water) (curve smooth throughout stated range with no extraneous impurity peaks) - 330 nm ≤0.02
Ultraviolet Absorbance (1.00-cm cell vs. water) (curve smooth throughout stated range with no extraneous impurity peaks) - 310 nm ≤0.06
Ultraviolet Absorbance (1.00-cm cell vs. water) (curve smooth throughout stated range with no extraneous impurity peaks) - 290 nm ≤0.18
Ultraviolet Absorbance (1.00-cm cell vs. water) (curve smooth throughout stated range with no extraneous impurity peaks) - 270 nm ≤0.40
Product Information (not specifications):
Windows of Infrared Transmittance (0.1-mm path, 50-100% T), µm:
2.0 - 2.3; 2.4 - 3.2; 3.7 – 5.0; 5.1 – 6.7; 7.9 – 8.7; 11.4 – 13.8

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