DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5
DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5

DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5

DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5, DMSO Dimethyl Sulfoxide Liquid, CAS 67-68-5

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Molecular formula: C₂H₆OS,Molecular weight: 78.13,Appearance: Colorless, transparent, viscous liquid with a slightly bitter or sulfurous smell.

67-68-5

C2H6OS

78.13

200-664-3

DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5 Information

CAS 67-68-5
Molecular formula C2H6OS
Molecular weight 78.13
EIENCS 200-664-3
Form liquid
Melting point 18.4°C
boling point 189°C
Density 1.100 g/mL at 20°C
Solubility H2O: miscible (completely)
PKA 35(at 25℃)
Color clear colorless
Storage temp Store at +5°C to +30°C.

DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5

What is DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5?

Molecules and physicochemical parameters

Molecular formula: C₂H₆OS

Molecular weight: 78.13

Appearance: Colorless, transparent, viscous liquid with a slightly bitter or sulfurous smell.

Melting and boiling points: Melting point 18.45℃, boiling point 189℃ (normal pressure).

Solubility

It is miscible with water, ethanol, acetone, etc.

Insoluble in petroleum ether and aliphatic hydrocarbons (except acetylene).

Other features

Density: 100 g/mL (at 20℃)

Flash point: 95℃ (open cup), ignition point: 300-302℃.

Strong hygroscopicity (can absorb 70% of its own weight in moisture at 20℃).

Chemical properties

Stability

Stable in alkaline environments, it decomposes when heated in acidic conditions (generating formaldehyde, methyl mercaptan, etc.).

Incompatible substances: acyl chlorides, halogens, strong oxidants (such as nitric acid) - may cause explosion.

Reactivity

It can be oxidized to dimethyl sulfoxide and reduced to dimethyl sulfide.

It reacts with potassium iodide to form methyl iodide (for analytical chemistry applications).


DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5 Use

1. Industrial and chemical synthesis

Solvent and reaction medium:

Aromatics extraction (selective separation of aromatics and alkanes)

Acrylonitrile polymerization, polyurethane synthesis (to increase reaction rate).

Functional additives

Antifreeze (freezing point of 40% aqueous solution -60℃)

Electronics industry: electrolytes for liquid crystal displays, capacitive dielectrics.

2. Medicine and Biotechnology

Drug carrier

Enhance skin permeability (such as local painkillers, anti-inflammatory preparations);

Biological sample protection

Cell cryopreservation (reducing ice crystal damage and protecting stem cell activity);

Therapeutic application

Anti-inflammatory and antioxidant (eliminating free radicals);

Protection against radiation mucositis (Stomatology)

3. Agriculture and Pesticides

Pesticide enhancer

Enhance the penetration of insecticides/herbicides within plants;

Plant growth regulation

When used in combination with formaldehyde, it enhances the efficacy of fumigation and sterilization.


DMSO Dimethyl Sulfoxide Liquid CAS 67-68-5 safety

Health risk

Irritation: Redness, swelling and dermatitis may occur upon contact with the skin or eyes. Inhalation of vapor causes respiratory tract inflammation;

Osmotoxicity: Promotes the transdermal absorption of other toxins (such as pesticides and heavy metals).

Operation protection

Essential equipment

Gas masks (half masks), chemical protective glasses, nitrile gloves;

Environmental control

Operate the fume hood and avoid open flames and static electricity (flash point 95℃).

Leakage and emergency response

Minor leakage: After adsorption of sand and soil, it should be disposed of as hazardous waste.

In case of large-scale leakage: Build embankments and cover with foam to prevent evaporation.

Storage requirements

Sealed, light-proof, cool and well-ventilated (≤25℃);

Store independently, away from acids, halides and oxidants.


Deshangchemical Info

  • ● Comgpany name : Shandong Deshang Chemicals Co., Ltd.
  • ● Main products : Treatments, sedimentation agents, flame retardants, catalysts, matte pigments, talcum powder, PVC additives, antifreeze agents, cellulose, cleaning agents, coconut oil, hydroxyethyl, cosmetics, matte agents, betaine, disinfectants, photosensitizers, humidifying agents, blue pigments, curing agents, potassium formate, sodium formate, cyclohexanol, preservatives, grinding aids.
  • ● Date of establishment : 2022-03-11
  • ● Total Employees : 200+
  • ● Registered capital: 10000000 RMB
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