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ChemicalBook >> CAS DataBase List >> Dimethyl sulfoxide

Dimethyl sulfoxide

Dimethyl sulfoxide price.
  • $5 - $120900
  • Product name: Dimethyl sulfoxide
  • CAS: 67-68-5
  • MF: C2H6OS
  • MW: 78.13
  • EINECS:200-664-3
  • MDL Number:MFCD00002089
  • Synonyms:DIMETHYL SULFOXIDE;Methyl sulfoxide, for analysis ACS, 99.9+%;Methyl sulfoxide, water <50 ppm, extra dry over mol. sieve, 99.7+%;Methyl sulfoxide, water <50 ppm, extra dry, 99.7+%;METHYL SULFOXIDE Distilled in quartz solvent;METHYL SULFOXIDE, REAGENT (ACS);syntexan,sulfinylbis-methane,dimethylsulfoxide,sclerosol,kemsol;dimethyl sulfoxide, spectrophotometric grade
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  • Manufactureraablocks
  • Product numberAA0036R8
  • Product descriptionDimethyl Sulfoxide >99.0%(GC)
  • Packaging10g
  • Price$8
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0036R8
  • Product descriptionDimethyl Sulfoxide >99.0%(GC)
  • Packaging25g
  • Price$10
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0036R8
  • Product descriptionDimethyl Sulfoxide 99.9%
  • Packaging100g
  • Price$12
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0036R8
  • Product descriptionDimethyl Sulfoxide >99.0%(GC)
  • Packaging5g
  • Price$5
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0036R8
  • Product descriptionDimethyl Sulfoxide >99.0%(GC)
  • Packaging250g
  • Price$16
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0036R8
  • Product descriptionDimethyl Sulfoxide >99.0%(GC)
  • Packaging500g
  • Price$22
  • Updated2026-05-28
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  • ManufacturerAK Scientific
  • Product numberX5926
  • Product descriptionDimethyl sulfoxide
  • Packaging100g
  • Price$27
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0029290
  • Product descriptionDIMETHYL SULFOXIDE 95.00%
  • Packaging25ML
  • Price$1107.65
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0029290
  • Product descriptionDIMETHYL SULFOXIDE 95.00%
  • Packaging100ML
  • Price$2482.1
  • Updated2021-12-16
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  • ManufacturerArctom
  • Product numberHY-Y0320R
  • Product descriptionDimethyl sulfoxide (Standard) 99.99%
  • Packaging1mL(Solvent)
  • Price$29
  • Updated2026-05-26
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  • ManufacturerArctom
  • Product numberHY-Y0320
  • Product descriptionDimethyl sulfoxide, meets analytical specification of Ch.P. 99.98%
  • Packaging100mL(Solvent)
  • Price$53
  • Updated2026-05-26
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  • ManufacturerArctom
  • Product numberHY-Y0320
  • Product descriptionDimethyl sulfoxide, meets analytical specification of Ch.P. 99.98%
  • Packaging200mL(Solvent)
  • Price$76
  • Updated2026-05-26
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  • ManufacturerArctom
  • Product numberHY-Y0320R
  • Product descriptionDimethyl sulfoxide (Standard) 99.99%
  • Packaging5mL(Solvent)
  • Price$76
  • Updated2026-05-26
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  • ManufacturerArctom
  • Product numberHY-Y0320R
  • Product descriptionDimethyl sulfoxide (Standard) 99.99%
  • Packaging10mL(Solvent)
  • Price$114
  • Updated2026-05-26
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  • ManufacturerArctom
  • Product numberHY-Y0320
  • Product descriptionDimethyl sulfoxide, meets analytical specification of Ch.P. 99.98%
  • Packaging500mL(Solvent)
  • Price$143
  • Updated2026-05-26
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  • ManufacturerAtlantic Research Chemicals
  • Product numberXS101164
  • Product descriptionDimethylsulphoxide 95
  • Packaging10g
  • Price$15.24
  • Updated2026-05-23
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Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0036R8 Dimethyl Sulfoxide >99.0%(GC) 10g $8 2026-05-28 Buy
aablocks AA0036R8 Dimethyl Sulfoxide >99.0%(GC) 25g $10 2026-05-28 Buy
aablocks AA0036R8 Dimethyl Sulfoxide 99.9% 100g $12 2026-05-28 Buy
aablocks AA0036R8 Dimethyl Sulfoxide >99.0%(GC) 5g $5 2026-05-28 Buy
aablocks AA0036R8 Dimethyl Sulfoxide >99.0%(GC) 250g $16 2026-05-28 Buy
aablocks AA0036R8 Dimethyl Sulfoxide >99.0%(GC) 500g $22 2026-05-28 Buy
AK Scientific X5926 Dimethyl sulfoxide 100g $27 2021-12-16 Buy
American Custom Chemicals Corporation CHM0029290 DIMETHYL SULFOXIDE 95.00% 25ML $1107.65 2021-12-16 Buy
American Custom Chemicals Corporation CHM0029290 DIMETHYL SULFOXIDE 95.00% 100ML $2482.1 2021-12-16 Buy
Arctom HY-Y0320R Dimethyl sulfoxide (Standard) 99.99% 1mL(Solvent) $29 2026-05-26 Buy
Arctom HY-Y0320 Dimethyl sulfoxide, meets analytical specification of Ch.P. 99.98% 100mL(Solvent) $53 2026-05-26 Buy
Arctom HY-Y0320 Dimethyl sulfoxide, meets analytical specification of Ch.P. 99.98% 200mL(Solvent) $76 2026-05-26 Buy
Arctom HY-Y0320R Dimethyl sulfoxide (Standard) 99.99% 5mL(Solvent) $76 2026-05-26 Buy
Arctom HY-Y0320R Dimethyl sulfoxide (Standard) 99.99% 10mL(Solvent) $114 2026-05-26 Buy
Arctom HY-Y0320 Dimethyl sulfoxide, meets analytical specification of Ch.P. 99.98% 500mL(Solvent) $143 2026-05-26 Buy
Atlantic Research Chemicals XS101164 Dimethylsulphoxide 95 10g $15.24 2026-05-23 Buy

Properties

Melting point :18.4 °C
Boiling point :189 °C(lit.)
Density :1.100 g/mL at 20 °C
vapor density :2.7 (vs air)
vapor pressure :0.42 mm Hg ( 20 °C)
refractive index :n20/D 1.479(lit.)
FEMA :3875 | METHYLSULFINYLMETHANE
Flash point :192 °F
storage temp. :Store at +5°C to +30°C.
solubility :H2O: miscible (completely)
pka :35(at 25℃)
form :liquid (temperature dependent)
color :clear colorless
Appearance :colorless liquid
Odor :Mild garlic odor
Relative polarity :0.444
explosive limit :1.8-63.0%(V)
Odor Type :alliaceous
biological source :synthetic
Water Solubility :Soluble in water, methanol, acetone, ether, benzene, chloroform.
FreezingPoint :18.4℃
Sensitive :Hygroscopic
λmax :λ: 285 nm Amax: ≤0.20
λ: 295 nm Amax: ≤0.20 Merck :14,3259
JECFA Number :507
BRN :506008
Henry's Law Constant :9.8×102 mol/(m3Pa) at 25℃, Burkholder et al. (2019)
Dielectric constant :41.9(55℃)
Stability :Stable. Incompatible with a very wide range of materials, including acid chlorides, strong acids, strong oxidizing agents, strong reducing agents, phosphorus halides, moisture, copper wool + trichloroacetic acid. Reacts violently with a number of materials - consult a full data sheet before use. Hygroscopic.
Cosmetics Ingredients Functions :SOLVENT
InChI :1S/C2H6OS/c1-4(2)3/h1-2H3
InChIKey :IAZDPXIOMUYVGZ-UHFFFAOYSA-N
SMILES :CS(C)=O
LogP :-1.35
Surface tension :42.179mN/m at 298.15K
CAS DataBase Reference :67-68-5(CAS DataBase Reference)
NIST Chemistry Reference :Dimethyl sulfoxide(67-68-5)
EPA Substance Registry System :Dimethyl sulfoxide (67-68-5)
Absorption :passes test

Safety Information

Symbol(GHS): Health Hazard (GHS08)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501
H320 Causes eye irritation Serious eye damage/eye irritation Category 2B Warning P264, P305+P351+P338,P337+P313
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P314 Get medical advice/attention if you feel unwell.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

Description

It is used as a solvent for chemical reactions involving salts, most notably in Finkelstein reactions and in other nucleophilic substitutions. DMSO is an effective pain relieving agent. Used in antifreeze or hydraulic fluids. Utilized in the oxidation of thiols and disulfides to sulfonic acids. Used to enhance dermal absorption of many chemicals.

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