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276855

Dimethyl sulfoxide

Name: Dimethyl sulfoxide
Brand: SIAL

anhydrous, ≥99.9%

Synonym(s):

DMSO

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About This Item

Linear Formula:

(CH₃)₂SO

CAS Number:

67-68-5

Molecular Weight:

78.13

EC Number:

200-664-3

UNSPSC Code:

12191502

PubChem Substance ID:

57648266

Beilstein/REAXYS Number:

506008

MDL number:

MFCD00002089

Assay:

≥99.9%

Grade:

anhydrous

Bp:

189 °C (lit.)

Vapor pressure:

0.42 mmHg ( 20 °C)

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Properties

grade

anhydrous

Quality Level

200

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

assay

≥99.9%

form

liquid

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

impurities

<0.005% water

evapn. residue

<0.0005%

color

colorless

refractive index

n20/D 1.479 (lit.)

bp

189 °C (lit.)

mp

16-19 °C (lit.)

solubility

H₂O: miscible (completely)

density

1.10 g/mL (lit.)

SMILES string

CS(C)=O

InChI

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

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

Description

General description

Dimethyl Sulfoxide is an apolar protic solvent that is generally used as a reaction medium and reagent in organic reactions.

Application

Dimethyl Sulfoxide may be used as an oxidant for the conversion of isonitriles into isocyanates. DMSO activated by oxalyl chloride can be used in the oxidation of long-chain alcohols to carbonyls.

Packaging

18 L, 200 L packaged in Pure-Pac^® stainless steel containers; 100 mL, 250ml, 1 L, 2 L, 6×1 L packaged in Sure/Seal^® bottles

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Other Notes

The article number 276855-4X2L will be discontinued. Please order the single bottle 276855-2L which is physically identical with the same exact specifications.

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

For information on dimethyl sulfoxide miscibility, please visit the following link:
Dimethyl Sulfoxide Miscibility/Immiscibility Table

Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Legal Information

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

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.

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Storage Class

10 - Combustible liquids

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Articles

Titania Nanotubes: Synthesis & Apps

TiO2 exhibits wide band gap semiconductor and memristor properties electronically, with high opacity and UV absorbance optically.

A Practical Synthesis of Isocyanates from Isonitriles: Ethyl 2-Isocyanatoacetate

Hoang VLe and Ganem B

Organic Syntheses, 89, 404-404 (2012)

The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals

Royal Society of Chemistry null

Dimethyl sulfoxide oxidations.

Epstein WW & Sweat FW.

Organic Syntheses, 67(3), 247-260 (1967)

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Global Trade Item Number

SKU	GTIN
276855-2L	04061826186961
276855-6X1L	04061837532238
276855-PZ	04061823900768
276855-100ML	04061837532207
276855-12X100ML	04061826186596
276855-200L	04061838151896
276855-20L-P2	04061826186923
276855-1L	04061837532214
276855-250ML	04061826186947