41640

Diméthylsulfoxyde

puriss. p.a., ACS reagent, ≥99.9% (GC)

• Synonyme(s) : DMSO, Sulfoxyde de méthyle
• Formule linéaire : (CH₃)₂SO
• Numéro CAS: 67-68-5
• Poids moléculaire : 78.13
• UNSPSC Code: 12191502
• NACRES: NA.21
• PubChem Substance ID: 329756130
• EC Number: 200-664-3
• Beilstein/REAXYS Number: 506008
• MDL number: MFCD00002089
• Assay: ≥99.9% (GC)
• Technique(s): GC/GC: suitable
• Bp: 189 °C (lit.)
• Vapor pressure: 0.42 mmHg ( 20 °C)

Propriétés

• Quality Segment: 300
• vapor density: 2.7 (vs air)
• vapor pressure: 0.42 mmHg ( 20 °C)
• grade: ACS reagent, puriss. p.a.
• assay: ≥99.9% (GC)
• form: liquid
• autoignition temp.: 573 °F
• expl. lim.: 42 %, 63 °F
• technique(s): GC/GC: suitable
• impurities: ≤0.001% free acid (as CH₃COOH), ≤0.1% water
• evapn. residue: ≤0.005%
• refractive index: n20/D 1.479
• bp: 189 °C (lit.)
• mp: 16-19 °C (lit.), 18-20 °C
• density: 1.10 g/mL (lit.)
• cation traces: Al: ≤0.5 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤0.5 mg/kg, K: ≤0.5 mg/kg, Li: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Mo: ≤0.1 mg/kg, Na: ≤1 mg/kg, Ni: ≤0.5 mg/kg, Pb: ≤0.1 mg/kg, Sr: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg
• SMILES string: CS(C)=O
• InChI: 1S/C2H6OS/c1-4(2)3/h1-2H3
• InChI key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N

Description

General description

Dimethyl sulfoxide (DMSO) is a polar solvent.[1] DMSO activated by electrophile (oxalyl chloride) has been used to oxidize various alcohols (primary, secondary, allylic, benzylic, hindered and bicyclic). Carbonyl compounds are formed as reaction products. It has been proposed as an alternate solvent for methyl cellosolve for use in ninhydrin reaction, due to its high stability.[2]

Application

• Modification of gelatin by reaction with 1,6-diisocyanatohexane.: This study focuses on the modification of biopolymers using chemical agents, which could be relevant in contexts where DMSO is used as a reaction solvent ( Bertoldo et al., 2007).


• Characterization of O-acetyl-(4-O-methylglucurono)xylan isolated from birch and beech.: This research characterizes specific wood-derived xylans, potentially enhancing understanding of such biopolymers when dissolved in DMSO for analytical studies ( Teleman et al., 2002).

Other Notes

Use as reagent in synthesis

For information on dimethyl sulfoxide miscibility, please visit the following link:
Dimethyl Sulfoxide Miscibility/Immiscibility Table

Disclaimer

Refroidit facilement et revient doucement à la température de la pièce. Les produits solides peuvent être reliquéfiés par chauffage à la température ambiante sans abîmer le produit.

Informations sur la sécurité

• Classe de stockage: 10 - Combustible liquids
• wgk: WGK 1
• flash_point_f: 188.6 °F - closed cup
• flash_point_c: 87 °C - closed cup