Description
Dimethyl sulphoxide is a polar aprotic laboratory solvent offered as ROTIDRY®Sept grade with a minimum purity of 99,8 % and a stated water specification of min. 100 ppm H₂O. It carries CAS number 67-68-5 and the empirical formula C₂H₆OS, with a molar mass of 78,13 g/mol and a density of 1,1 g/cm³. The boiling point is 189 °C and the flash point is 87 °C. Supplied in a 250 ml pack, this dry-grade DMSO is suited to dissolution of polar and non-polar compounds, reaction media, and sample preparation where a high-purity sulphoxide solvent is preferred. Key physicochemical values correspond to the data provided by manufacturer Carl ROTH. Dimethyl sulphoxide is widely used in organic synthesis, biochemistry, and analytical workflows that benefit from its strong solvating power and defined ROTIDRY®Sept quality profile.
This article belongs on Dry & deuterated solvents (NMR, synthesis), in Solvents.
Key features
- Assay (GC): ≥99,8 %
- Colour (APHA): ≤10
- Water (KF): ≤0,01 %
- Acidity (as CH3COOH): ≤0,002 %
- Evaporation residue: ≤0,001 %
- CAS number: 67-68-5
- Pack size: 250 ml
- EG nr.: 200-664-3
- Purity: min. 99,8 % (min. 100 ppm H₂O)
- Molar mass: 78,13 g/mol
- Density: 1,1 g/cm³
- Technical Information Sheet:
- Safety Data Sheet:
Recently viewed
You may also like
Browse related categories
Category
Sub-category
Dry & deuterated solvents (NMR, synthesis)
Catalogue
Brand
Questions about Dimethyl sulphoxide, ROTIDRY®Sept min. 99,8% (min.100ppm H2O), 250 ml
What is this article?
Dimethyl sulphoxide, ROTIDRY®Sept min. 99,8% (min.100ppm H2O), 250 ml is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Dry & deuterated solvents (NMR, synthesis), inside Solvents, in Lab chemicals.
A dry solvent has had water removed to a stated level, for a reaction that water would stop. A deuterated solvent replaces hydrogen with deuterium so an NMR spectrum is not drowned by the solvent signal. The isotopic enrichment and the water content are the two specifications. Caps and septa matter, because either product picks up moisture from the air.
A solvent dissolves. The grade says which impurities are low enough for the method. Analytical grade is the ordinary pure solvent. HPLC and LC-MS grades limit the absorbance and the ions that would become peaks or background. A dry solvent has had water removed. A deuterated solvent is for NMR, where the hydrogen signal would otherwise drown the sample. Technical grade is for cleaning and for synthesis that does not need a chromatogram. Identity is on PubChem. Names follow IUPAC. Hazards follow ECHA, the CLP Regulation and REACH.
Which category should I open next?
The category is Solvents. The sub-category is Dry & deuterated solvents (NMR, synthesis). The catalogue is Lab chemicals.
Shelves beside this one are Analytical grade solvents (p.a.), HPLC & LC-MS grade solvents, Technical & synthesis grade solvents and Green & alternative solvents.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.