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Merck

1.16743

Dimethyl sulfoxide

EMPLURA®

Synonym(s):

Methanesulfinylmethane, Methyl sulfoxide, Dimethyl(oxido)sulfur, DMSO, DMSO

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About This Item

Linear Formula:
(CH3)2SO
CAS Number:
67-68-5
Molecular Weight:
78.13
UNSPSC Code:
12191502
NACRES:
NA.05
EC Index Number:
200-664-3
MDL number:
MFCD00002089
Beilstein/REAXYS Number:
506008
assay:
≥99% (GC)
bp:
189 °C (lit.)
vapor pressure:
0.42 mmHg ( 20 °C)

Product Name

Dimethyl sulfoxide, EMPLURA®

InChI

1S/C2H6OS/c1-4(2)3/h1-2H3

SMILES string

CS(C)=O

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

product line

EMPLURA®

assay

≥99% (GC)

form

liquid

autoignition temp.

573 °F

potency

28300 mg/kg LD50, oral (Rat)
40000 mg/kg LD50, skin (Rat)

expl. lim.

42 %, 63 °F

dilution

(low-cost alternative, for basic applications)

impurities

≤0.001% Free acid (as CH3COOH)
≤0.2% Water

refractive index

n20/D 1.479 (lit.)

kinematic viscosity

2.14 cSt

bp

189 °C (lit.)

mp

16-19 °C (lit.)

transition temp

flash point 87 °C

solubility

1000 g/L

density

1.10 g/mL (lit.)

storage temp.

2-30°C

Quality Level

200

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Analysis Note

Purity (GC): ≥ 99.0 %
Identity (IR): conforms
Free acid (as CH₃COOH): ≤ 0.001 %
Density (d 20 °C/ 4 °C): 1.099 - 1.101
Refractive index (n 20/D): 1.478 - 1.479
Melting point: ≥ 18.0 °C
Absorption: conforms
Related substances (GC): conforms
Readily carbonizable substances: conforms
Water: ≤ 0.2 %

Application


  • A simple and efficient synthesis of 5-hydroxymethylfurfural from carbohydrates using acidic ionic liquid grafted on silica gel.: This study presents a novel method for synthesizing 5-hydroxymethylfurfural, where DMSO plays a critical role in enhancing the efficiency and selectivity of the reaction under mild conditions (Doan VTC et al., 2024).

  • Controlling Tin Halide Perovskite Oxidation Dynamics in Solution for Perovskite Optoelectronic Devices.: This paper discusses the role of DMSO in managing oxidation processes in tin halide perovskites, crucial for developing stable and efficient optoelectronic devices (Nazeeruddin MKK et al., 2024).

  • Preparation technology comparison and performance evaluation of different protein A affinity chromatographic materials.: Demonstrates the effectiveness of DMSO in optimizing the preparation and performance of chromatographic materials used in protein purification (Zhou LJ et al., 2024).

  • Application of copper (I) selective ligands for PET imaging of reactive oxygen species through metabolic trapping.: Highlights a novel application of DMSO in the development of copper (I) selective ligands for positron emission tomography (PET), enhancing imaging techniques used in medical diagnostics (Tada T et al., 2024).

Disclaimer

Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.

Features and Benefits

Saturation Concentration in Air: 8.0 g/m3 (20 °C)

General description

EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA solvents provide adequate specifications with the most important parameters.

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup

Certificates of Analysis (COA)

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