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296147

Sigma-Aldrich

Dimethyl sulfoxide-d6

99.9 atom % D, contains 0.03 % (v/v) TMS

Synonym(s):

(Methyl sulfoxide)-d6, DMSO-d6, Hexadeuterodimethyl sulfoxide

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About This Item

Linear Formula:
(CD3)2SO
CAS Number:
Molecular Weight:
84.17
Beilstein:
1237248
EC Number:
MDL number:
UNSPSC Code:
12191502
PubChem Substance ID:
NACRES:
NA.21

vapor pressure

0.42 mmHg ( 20 °C)

Quality Level

isotopic purity

99.9 atom % D

Assay

99% (CP)

form

liquid

autoignition temp.

573 °F

contains

0.03 % (v/v) TMS

expl. lim.

42 %

technique(s)

NMR: suitable

impurities

≤0.0250% water
water

refractive index

n20/D 1.476 (lit.)

bp

189 °C (lit.)

mp

20.2 °C (lit.)

density

1.190 g/mL at 25 °C (lit.)

mass shift

M+6

SMILES string

[2H]C([2H])([2H])S(=O)C([2H])([2H])[2H]

InChI

1S/C2H6OS/c1-4(2)3/h1-2H3/i1D3,2D3

InChI key

IAZDPXIOMUYVGZ-WFGJKAKNSA-N

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General description

Dimethyl sulfoxide-d6 is a deuterated NMR solvent that is useful in NMR-based research and analyses.

Application


  • Estimation of dissociation constants (pKa′s) of oximes from proton chemical shifts in dimethyl sulfoxide solution: This research utilizes Dimethyl sulfoxide-d₆ (DMSO-d₆) to determine pKa values of oximes, demonstrating its crucial role in enhancing the accuracy of proton NMR spectroscopy for chemical analysis and research within pharmaceutical contexts (Kurtz AP, D′Silva TD, 1987).

  • Proton nuclear magnetic resonance studies on methylthiohydantoins, thiohydantoins, and hydantoins of amino acids: DMSO-d₆ is extensively employed to investigate the structure and behavior of various hydantoin derivatives in amino acid research, proving essential for understanding protein structures and functions, with implications for both academic and pharmaceutical industries (Suzuki T, Tomioka T, Tuzimura K, 1977).

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Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

190.4 °F

Flash Point(C)

88 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Diode laser measurements of CD3 quantum yields and internal energy for the dissociation of dimethyl sulfoxide-d6.
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J. Chem. Phys., 106(4), 1346-1352 (1997)
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Three new ring systems, pyrido[2',3':3,4]pyrrolo[1,2-a]quinoxalines, pyrido[3',2':3,4]pyrrolo[1,2-a]quinoxalines and pyrido[2',3':5,6]pyrazino[2,1-a]isoindoles, were synthesized through an aza-substitution on the already active isoindolo-quinoxaline system and in particular in the position 7 or 4 of the isoindole moiety and in position 5 of the quinoxaline portion.

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