Dimethyl sulfoxide
USP/1211006 - United States Pharmacopeia (USP) Reference Standard
Synonym: DMSO
CAS Number: 67-68-5
Empirical Formula (Hill Notation): C2H6OS
Molecular Weight: 78.13
MDL Number: MFCD00002089
Linear Formula: (CH3)2SO
Product Type: Chemical
application(s) | pharmaceutical (small molecule) |
autoignition temp. | 573 °F |
availability | not available in (Sales restrictions may apply) |
bp | 189 °C (lit.) |
density | 1.10 g/mL (lit.) |
expl. lim. | 42 %, 63 °F |
format | neat |
grade | pharmaceutical primary standard |
InChI | 1S/C2H6OS/c1-4(2)3/h1-2H3 |
InChI key | IAZDPXIOMUYVGZ-UHFFFAOYSA |
manufacturer/tradename | USP |
mp | 16-19 °C (lit.) |
refractive index | n |
SMILES string | CS(C)=O |
vapor density | 2.7 (vs air) |
vapor pressure | 0.42 mmHg ( 20 °C) |
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. 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. |
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. |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
bp | 189 °C (lit.) |
mp | 16-19 °C (lit.) |
Density | 1.10 g/mL (lit.) |
Refractive Index | n |
UNSPSC | 41116107 |