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Merck

1211006

USP

Dimethyl sulfoxide

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

DMSO

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About This Item

Linear Formula:
(CH3)2SO
CAS Number:
67-68-5
Molecular Weight:
78.13
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329749622
MDL number:
MFCD00002089
Beilstein/REAXYS Number:
506008

Product Name

Dimethyl sulfoxide, United States Pharmacopeia (USP) Reference Standard

InChI

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

SMILES string

CS(C)=O

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

grade

pharmaceutical primary standard

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

manufacturer/tradename

USP

availability

not available in (Sales restrictions may apply)

refractive index

n20/D 1.479 (lit.)

bp

189 °C (lit.)

mp

16-19 °C (lit.)

density

1.10 g/mL (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

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Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Dimethyl sulfoxide USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Dimethyl Sulfoxide Irrigation
  • Dimethyl Sulfoxide Gel
  • Dimethyl Sulfoxide Topical Solution
  • Methylsulfonylmethane

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.

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Methylsulfonylmethane
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 32(3), 5097-5097 (2020)
Dimethyl Sulfoxide Topical Solution
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 1414-1414 (2020)
Phillip McDonagh et al.
Veterinary microbiology, 174(3-4), 438-447 (2014-12-04)
Feline infectious peritonitis (FIP), a feline coronavirus (FCoV) induced disease, is almost invariably fatal with median life expectancy measured in days. Current treatment options are, at best, palliative. The objectives of this study were to evaluate a panel of nineteen
Claudia C Faria et al.
Cancer research, 75(1), 134-146 (2014-11-14)
Medulloblastoma is the most common malignant pediatric brain tumor, with metastases present at diagnosis conferring a poor prognosis. Mechanisms of dissemination are poorly understood and metastatic lesions are genetically divergent from the matched primary tumor. Effective and less toxic therapies
Rory W Blackler et al.
British journal of pharmacology, 172(4), 992-1004 (2014-10-10)
Hydrogen sulphide is an important mediator of gastrointestinal mucosal defence. The use of non-steroidal anti-inflammatory drugs (NSAIDs) is significantly limited by their toxicity in the gastrointestinal tract. Particularly concerning is the lack of effective preventative or curative treatments for NSAID-induced
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