Dimethyl sulfoxide

vapor density

2.7 (vs air)

Quality Level

100

vapor pressure

0.42 mmHg ( 20 °C)

Assay

≥99.8% (GC)

form

liquid

autoignition temp.

573 °F

potency

28300 mg/kg LD₅₀ oral (Rat)
40000 mg/kg LD₅₀ skin (Rat)

expl. lim.

42 % 63 °F

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.05% Water

evapn. residue

≤0.0004%

color

APHA: ≤10

transmittance

270 nm ≥35%
280 nm ≥50%
310 nm ≥80%
330 nm ≥90%
350 nm ≥97%

refractive index

n20/D 1.479 (lit.)

kinematic viscosity

2.14 cSt

bp

189 °C (lit.)

mp

16-19 °C (lit.)

transition temp

flash point 87 °C

density

1.10 g/mL (lit.)

UV absorption

λ: 270 nm A_max: ≤0.46
λ: 280 nm A_max: ≤0.30
λ: 310 nm A_max: ≤0.10
λ: 330 nm A_max: ≤0.05
λ: 350 nm A_max: ≤0.013

storage temp.

2-30°C

SMILES string

CS(C)=O

InChI

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

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N