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1211006

USP

Dimethyl sulfoxide

Name: Dimethyl sulfoxide
Brand: USP

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

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Properties

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

SMILES string

CS(C)=O

InChI

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

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

Description

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.

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

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.

Other Notes

Sales restrictions may apply.

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

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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

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Methylsulfonylmethane

United States Pharmacopeia and National Formulary

United States Pharmacopeia, 32(3), 5097-5097 (2020)

Dimethyl Sulfoxide Topical Solution