Dimethyl sulfoxide

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

InChI

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

SMILES string

CS(C)=O

vapor density

2.7 (vs air), 2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C), 0.42 mmHg

assay

≥99.9% (GC), ≥99.99995% (metals basis)

form

liquid

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F, 42 %

dilution

(for analytical testing)

color

colorless

refractive index

n20/D 1.479 (lit.)

bp

189 °C (lit.), 189 °C

mp

16-19 °C (lit.), 16-19 °C

solubility

H₂O: miscible (completely)

density

1.099-1.101 g/mL at 20 °C, 1.10 g/mL (lit.)

cation traces

Ag: ≤0.5 μg/kg, Al: ≤1 μg/kg, As: ≤0.01 mg/kg, Au: ≤0.5 μg/kg, Be: ≤0.5 μg/kg, Bi: ≤0.5 μg/kg, Ca: ≤20 μg/kg, Cd: ≤0.5 μg/kg, Ce: ≤0.5 μg/kg, Co: ≤0.5 μg/kg, Cr: ≤5 μg/kg, Cs: ≤0.5 μg/kg, Cu: ≤5 μg/kg, Fe: ≤20 μg/kg, Ga: ≤0.5 μg/kg, Ge: ≤0.5 μg/kg, Hg: ≤5 μg/kg, In: ≤10 μg/kg, Ir: ≤0.5 μg/kg, K: ≤10 μg/kg, Li: ≤0.5 μg/kg, Mg: ≤10 μg/kg, Mn: ≤5 μg/kg, Mo: ≤0.5 μg/kg, Na: ≤50 μg/kg, Ni: ≤5 μg/kg, Os: ≤1 μg/kg, Pb: ≤0.5 μg/kg, Pd: ≤0.5 μg/kg, Pt: ≤0.5 μg/kg, Rb: ≤0.5 μg/kg, Rh: ≤0.5 μg/kg, Ru: ≤0.5 μg/kg, Sb: ≤0.5 μg/kg, Se: ≤0.01 mg/kg, Sn: ≤0.5 μg/kg, Sr: ≤0.5 μg/kg, Ti: ≤5 μg/kg, Tl: ≤0.5 μg/kg, U: ≤0.5 μg/kg, V: ≤0.5 μg/kg, Zn: ≤5 μg/kg, Zr: ≤0.5 μg/kg

application(s)

sample preparation

Quality Level

100