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DMSO 99.9% – Pure dimethyl sulfoxide in amber glass bottle (125 ml to 1 L)

DMSO 99.9% – Pure dimethyl sulfoxide in amber glass bottle (125 ml to 1 L)

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DMSO 99.9% by Aquapurelife is dimethyl sulfoxide (CAS 67-68-5), a polar aprotic organic solvent miscible with water and with most organic solvents. It is packed in an amber glass bottle with a screw cap to protect it from light and moisture, as it is a hygroscopic substance.

Technical specifications

Substance Dimethyl sulfoxide (DMSO)
Purity ≥ 99.9% (batches ≥ 99.99%)
CAS / EC No. 67-68-5 / 200-664-3
Formula C₂H₆OS
Appearance Colourless liquid, slight garlic-like odour
Crystallisation point ≈ 18.4 °C (reversible)
CLP classification Not classified as hazardous
Packaging Amber glass, screw cap

Technical uses

  • Dissolving and diluting polar and non-polar compounds
  • Chemical synthesis and sample preparation
  • Degreasing and technical cleaning
  • Technical cleaning of resins, adhesives and inks

Contents and packaging

Sizes of 125 ml, 250 ml, 500 ml and 1 litre. Amber glass bottle with screw cap. Made and packed in Spain.

What is DMSO?

DMSO, or dimethyl sulfoxide (C₂H₆OS), is a liquid organic compound that is colourless and practically odourless when pure. It is a very versatile polar aprotic solvent: it mixes with water and with most organic solvents, and dissolves a wide variety of compounds. That is why it is widely used in technical, industrial and formulation processes.

How to choose your DMSO format

Storage

Keep it tightly closed in its original amber glass container, protected from light and moisture. DMSO is hygroscopic (it absorbs water from the air) and solidifies below about 18 °C; if it solidifies, simply leave it at room temperature and it will return to a liquid state, unaltered.

Frequently asked questions

Why has my DMSO solidified?

DMSO crystallises below about 18 °C. This is a reversible physical change: simply leave it at room temperature or in a warm water bath (never a microwave) and it will return to a liquid state without losing its properties.

What is the difference from DMSO 70%?

The 70% is an aqueous solution of the same DMSO, easier to handle for dilution in technical applications. The 99.9% is the pure substance.

Is the safety data sheet supplied?

Yes, the SDS in Spanish, compliant with Regulation (EU) 2020/878, is available on request.

Why glass and not plastic?

Amber glass is chemically inert to DMSO and protects it from light. For large volumes we use compatible HDPE.

Safety and responsible use

Keep out of reach of children. Sale restricted to adults (18+). Handle with gloves in a well-ventilated area. Safety data sheet (SDS) available on request.

EU responsible person: GRUPO SETEYTE SLU · Carril de los Pamies 1, 30130 Beniel (Murcia), Spain · NIF B73935769.

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