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1211006

USP

Dimethyl sulfoxide

United States Pharmacopeia (USP) Reference Standard

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Synonym(s):
DMSO
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
Beilstein/REAXYS Number:
506008
MDL number:
PubChem Substance ID:
NACRES:
NA.24

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

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1 of 4

This Item
D1435D2050000D4540
vibrant-m

1211006

Dimethyl sulfoxide

vibrant-m

D1435

Dimethyl sulfoxide

vibrant-m

D2050000

Dimethyl sulfoxide

vibrant-m

D4540

Dimethyl sulfoxide

manufacturer/tradename

USP

manufacturer/tradename

-

manufacturer/tradename

EDQM

manufacturer/tradename

-

format

neat

format

-

format

neat

format

-

application(s)

pharmaceutical (small molecule)

application(s)

-

application(s)

pharmaceutical (small molecule)

application(s)

-

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

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.

Also used to prepare standard, system suitability, and standard stock solutions for assay and impurity analysis according to the given below monographs of United States Pharmacopeia (USP):
  • Dimethyl Sulfoxide Topical Solution
  • Methylsulfonylmethane

Caution

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

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.

related product

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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United States Pharmacopeia and National Formulary
United States Pharmacopeia, 32(3), 5097-5097 (2020)
Dimethyl Sulfoxide Topical Solution
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