Skip to Content
Merck

276855

Dimethyl sulfoxide

anhydrous, ≥99.9%

Synonym(s):

DMSO

Sign In to View Organizational & Contract Pricing.

Select a Size

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
Vapor pressure:
0.42 mmHg ( 20 °C)

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

InChI

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

SMILES string

CS(C)=O

grade

anhydrous

Quality Level

200

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

solubility

H2O: miscible (completely)

density

1.10 g/mL (lit.)

Looking for similar products? Visit Product Comparison Guide

Related Categories

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
View returnable container options.

Other Notes

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

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.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Group 4: Flammable liquids + Type 3 petroleums + Hazardous rank III + Water soluble liquid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

276855-VAR: + 276855-1L: + 276855-900ML: + 276855-2L: + 276855-20L-P2: + 276855-250ML: + 276855-200L: + 276855-BULK: + 276855-4X2L: + 276855-PZ: + 276855-100ML: + 276855-8L: + 276855-18L: + 276855-12X100ML: + 276855-18L-P1: + 276855-6X1L:

jan

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
STBK8985
STBK8984
STBK7582
STBK7581
STBK7013

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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)
Young-Keun Yang et al.
Nature protocols, 2(7), 1740-1745 (2007-07-21)
This protocol describes detailed procedures for the preparation of a rhodamine-based mercury probe and for its applications to the detection of mercury in cells and vertebrate organisms. The mercury probe 1, which is prepared in two steps from rhodamine 6G
Oxidation of long-chain and related alcohols to carbonyls by dimethyl sulfoxide" activated" by oxalyl chloride.
Mancuso AJ, et al.
The Journal of Organic Chemistry, 43(12), 2480-2482 (1978)
View All Related Papers

Articles

チタニアナノチィーブ：合成および応用

TiO2は、電子工学的には広いバンドギャップ半導体とメモリスタ特性を示し、光学的には高い不透明性と紫外吸収性を示します。

ペロブスカイト太陽電池の基礎

注目の新技術「ペロブスカイト太陽電池」を簡単に作製できる実験手順をご紹介します。

Titania Nanotubes: Synthesis & Apps

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

Related Content

RAFTポリマーキャリア

精巧な機能を持つ薬物送達システムを構築するのに非常に有用なポリマーキャリアをRAFT重合法にて調製した事例をご紹介します。

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service