DMSO will have a molarity of 14.1M, based on a density of 1.1 g/mL and a molecular weight of 78.13 g/mol.
94563
Dimethyl sulfoxide
analytical standard
Synonym(s):
DMSO
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About This Item
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
Beilstein:
506008
EC Number:
MDL number:
UNSPSC Code:
12191502
PubChem Substance ID:
NACRES:
NA.24
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grade
analytical standard
Quality Level
vapor density
2.7 (vs air)
vapor pressure
0.42 mmHg ( 20 °C)
Assay
≥99.95% (GC)
autoignition temp.
573 °F
shelf life
limited shelf life, expiry date on the label
expl. lim.
42 %, 63 °F
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
refractive index
n20/D 1.479 (lit.)
n20/D 1.479
bp
189 °C (lit.)
mp
16-19 °C (lit.)
solubility
H2O: miscible (completely)
density
1.10 g/mL (lit.)
application(s)
cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care
format
neat
SMILES string
CS(C)=O
InChI
1S/C2H6OS/c1-4(2)3/h1-2H3
InChI key
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
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General description
Dimethyl Sulfoxide (DMSO) contains both highly polar and apolar groups, which impart it an amphipathic character. It can dissolve in both aqueous and organic solvents. It is a commonly used solvent in hydrophobic pharmaceutical agents, exhibiting effective hydroxyl radical scavenging ability.[1][2]
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here
Application
DMSO may be used as an analytical standard for the determination of the analyte in environmental samples by gas chromatography (GC) technique.[3]
Dimethyl sulfoxide may be used as a molecular probe in the detection and analysis of hydroxyl radicals generated in advanced oxidation processes using high performance liquid chromatography(HPLC).[4]
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Caution
Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.
Other Notes
For information on dimethyl sulfoxide miscibility, please visit the following link:
Dimethyl Sulfoxide Miscibility/Immiscibility Table
Dimethyl Sulfoxide Miscibility/Immiscibility Table
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Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point(F)
188.6 °F - closed cup
Flash Point(C)
87 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Determination of hydroxyl radicals in advanced oxidation processes with dimethyl sulfoxide trapping and liquid chromatography
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Tai C, et al.
Analytica Chimica Acta, 527, 73-80 (2004)
C F Brayton
The Cornell veterinarian, 76(1), 61-90 (1986-01-01)
Dimethyl sulfoxide (DMSO) is a very simple compound that has stimulated much controversy in the scientific and popular literature. Fig. 1 It is an aprotic solvent. Therapeutic and toxic agents that are not soluble in water are often soluble in
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Biochemical pharmacology, 65(7), 1035-1041 (2003-03-29)
DMSO is an amphipathic molecule with a highly polar domain and two apolar methyl groups, making it soluble in both aqueous and organic media. It is one of the most common solvents for the in vivo administration of several water-insoluble
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What is the molarity of DMSO?
1 answer-
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Dimethyl sulfoxide (DMSO) should be a liquid. Why did it arrive as a solid?
1 answer-
DMSO supercools easily, and re-melts slowly at room temperature. The melting point is 16-19 °C. The solidified product can be re-liquefied by warming to room temperature without detriment to the product.
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Where does DMSO come from?
1 answer-
DMSO is known to have been isolated from tree bark in the past. It is now a commericially synthesized solvent.
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Does DMSO have any synthetic utility?
1 answer-
DMSO has been used to oxidize thiols and disulfides to sulfonic acids, hydrolysis of epoxides, thioalkylation of phenols, and oxidation of primary alcohols and halides, and esters of primary alcohols to aldehydes.
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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What is the DMSO dissolved in?
1 answer-
DMSO is not dissolved in any solvent. It is a pure chemical compound that is a liquid at room temperature.
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