Dimethyl sulfoxide, 2.5L

SKU:
41640-2.5L
  • $368.00

    • Description

    Dimethyl sulfoxide

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

    Synonym(s):
    DMSO
    Linear Formula:
    (CH3)2SO
    CAS Number:
    67-68-5
    Molecular Weight:
    78.13
    Beilstein:
    506008
    EC Number:
    200-664-3
    MDL number:
    MFCD00002089
    PubChem Substance ID:
    329756130
    NACRES:
    NA.21

    PROPERTIES

    grade

    ACS reagent
    puriss. p.a.

    vapor density

    2.7 (vs air)

    vapor pressure

    0.42 mmHg ( 20 °C)

    Assay

    ≥99.9% (GC)

    form

    liquid

    autoignition temp.

    573 °F

    expl. lim.

    42 %, 63 °F

    impurities

    ≤0.001% free acid (as CH3COOH)
    ≤0.1% water

    evapn. residue

    ≤0.005%

    refractive index

    n20/D 1.479 (lit.)
    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

    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.[2] It has been proposed as an alternate solvent for methyl cellosolve for use in ninhydrin reaction, due to its high stability.[3]

    Caution

    Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.

    SAFETY INFORMATION

    Storage Class Code

    10 - Combustible liquids

    WGK

    WGK 1

    Flash Point(F)

    188.6 °F - closed cup

    Flash Point(C)

    87 °C - closed cup