1211006

Dimethyl sulfoxide

United States Pharmacopeia (USP) Reference Standard

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

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.

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.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable