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Spectroscopy, NMR & Specialty Grade Solvents

Dimethyl sulphoxide, USP ≥99.90%

USPAvailable on request

Buy Dimethyl sulphoxide, USP ≥99.90% (CAS 67-68-5) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes
Dimethyl sulphoxide, USP ≥99.90% chemical structure
CAS number67-68-5
FormulaC2H6OS
Molar mass78.14 g/mol
Physical formLiquid
HS code29309060
Purity≥99.90%
InChIKeyIAZDPXIOMUYVGZ-UHFFFAOYSA-N
IUPAC namemethylsulfinylmethane

About Dimethyl sulphoxide, USP ≥99.90%

Zemixal supplies Dimethyl sulphoxide, USP ≥99.90% within its solvents portfolio. Identity at a glance (USP): CAS 67-68-5, formula C2H6OS and molar mass 78.14 g/mol. It is handled as a liquid.

Typical applications

  • UV-Vis & IR spectroscopy
  • High-sensitivity analysis
  • Trace residue testing
  • Cell & microbial culture

Safe handling

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Order it in 100 mL, 250 mL and 500 mL packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • UV-Vis & IR spectroscopy
  • High-sensitivity analysis
  • Trace residue testing
  • Cell & microbial culture

Applications

Diagnostics, Life Science and BiotechPharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of Dimethyl sulphoxide, USP ≥99.90%
Product nameDimethyl sulphoxide, USP ≥99.90%
Catalogue numberZX-038241
CAS number67-68-5
IUPAC namemethylsulfinylmethane
Molecular formulaC2H6OS
Molar mass78.14 g/mol
Exact mass78.0139
GradeUSP
Purity / assay≥99.90%
Physical formLiquid
XLogP3-0.6
H-bond donors / acceptors0 / 2
Topological polar surface area36.3 Ų
HS code29309060
InChIKeyIAZDPXIOMUYVGZ-UHFFFAOYSA-N
SMILESCS(=O)C
PubChem CID679
Synonymsdimethyl sulfoxide, Methyl sulfoxide, Dimethylsulfoxide, sulfinylbismethane, Methane, sulfinylbis-, Dromisol, Dimexide, Dimethyl sulfur oxide, Dipirartril-tropico, Gamasol 90, Sulfinylbis(methane), Rimso-50

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Dimethyl sulphoxide, USP ≥99.90%
100 mLQuoted on request
250 mLQuoted on request
500 mLQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Dimethyl sulphoxide, USP ≥99.90%

Which CAS number identifies Dimethyl sulphoxide, USP ≥99.90%?
Dimethyl sulphoxide, USP ≥99.90% is registered under CAS 67-68-5. You may also see it listed as dimethyl sulfoxide, Methyl sulfoxide, Dimethylsulfoxide. Our catalogue number for this item is ZX-038241.
What are the formula and molar mass of Dimethyl sulphoxide, USP ≥99.90%?
For Dimethyl sulphoxide, USP ≥99.90%, its formula is C2H6OS and its molar mass is 78.14 g/mol. The systematic (IUPAC) name is methylsulfinylmethane. InChIKey IAZDPXIOMUYVGZ-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Dimethyl sulphoxide, USP ≥99.90%?
This listing is USP grade with ≥99.90% purity. Standard packs are 100 mL, 250 mL, 500 mL. Larger quantities and custom packing can be quoted on request.
Which documents come with Dimethyl sulphoxide, USP ≥99.90%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Dimethyl sulphoxide, USP ≥99.90% to my country?
Yes. Because Dimethyl sulphoxide, USP ≥99.90% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 67-68-5

All 15 grades

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