Dimethyl sulphoxide, 98%

Name: Dimethyl sulphoxide, 98%
Brand: Vaqora Chemicals
SKU: VQ-002001

About Dimethyl sulphoxide, 98%

Listed under CAS 67-68-5, Dimethyl sulphoxide is an industrial solvent available from Vaqora Chemicals (Synthesis grade) with a typical assay of 98%. Its molecular formula is C2H6OS and its molecular weight is 78.14 g/mol. Its systematic (IUPAC) name is methylsulfinylmethane. Common synonyms include DMSO and Dimethyl sulfoxide.

The material typically appears as a clear colourless liquid. Key physical data: a melting point of 16-19 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for industrial reaction medium, paints and coatings thinning, cleaning and degreasing and solvent and extraction work. Typical end-use sectors are academic and industrial research, pharmaceutical manufacturing and paints and coatings.

Vaqora Chemicals supplies Dimethyl sulphoxide in 500 mL, 5 L and 225 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Industrial reaction medium
Paints & coatings thinning
Cleaning & degreasing
Solvent & extraction work

Industries

Specifications & identifiers

Chemical identifiers
Product name	Dimethyl sulphoxide, 98%
Catalogue No.	VQ-002001
CAS Number	67-68-5
IUPAC name	methylsulfinylmethane
Molecular formula	C₂H₆OS
Molecular weight	78.14 g/mol
Exact mass	78.0139
Grade	Synthesis
Purity / assay	98%
HSN code	29309060
InChIKey	IAZDPXIOMUYVGZ-UHFFFAOYSA-N
SMILES	CS(=O)C
PubChem CID	679

Physical properties
Physical form	Liquid
Appearance	Clear colourless liquid
Melting point	16-19 °C
LogP (XLogP3)	-0.6
H-bond donors / acceptors	0 / 2
TPSA	36.3 Å²
Synonyms	DMSO, Dimethyl sulfoxide, Methyl sulfoxide, Dimethylsulfoxide, sulfinylbismethane, Methane, sulfinylbis-, Dromisol, Dimexide, Dimethyl sulfur oxide, Dipirartril-tropico, Gamasol 90, Sulfinylbis(methane)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 67-68-5

Reference Standard

Dimethyl Sulfoxide

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

In stock

ACS

Dimethyl sulphoxide, ACS reagent, ≥99.9%

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

VQ-001793

Dimethyl sulphoxide, anhydrous, 99.9%

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

VQ-001909

AR / GC

Dimethyl sulphoxide, AR, for GC >99.5%

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

VQ-045894

AR / Dry

Dimethyl sulphoxide, AR, specially dried ≥99.5%

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

VQ-045589

BP/USP/EP / Cell Cult…

Dimethyl sulphoxide, BP/USP/EP, cell culture tested

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

VQ-046043

Cell Culture

Dimethyl sulphoxide, for cell culture, 99.5%

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

VQ-003176

GC

Dimethyl sulphoxide, for GC ≥99.5%

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

VQ-045486

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Frequently asked questions

What is the CAS number of Dimethyl sulphoxide, 98%?

The CAS Registry Number of Dimethyl sulphoxide, 98% is 67-68-5. It is also known as DMSO, Dimethyl sulfoxide, Methyl sulfoxide.

What is the molecular formula and molecular weight of Dimethyl sulphoxide, 98%?

Dimethyl sulphoxide, 98% has the molecular formula C2H6OS and a molecular weight of 78.14 g/mol. Its IUPAC name is methylsulfinylmethane.

Which grade and pack sizes of Dimethyl sulphoxide, 98% can I order?

We supply Dimethyl sulphoxide, 98% in Synthesis (98%) grade, in 500 mL, 5 L, 225 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dimethyl sulphoxide, 98%?

Yes. Every lot of Dimethyl sulphoxide, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Dimethyl sulphoxide, 98% be shipped internationally?

Yes. Dimethyl sulphoxide, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.