二甲基亚砜

(CH₃)₂SO

78.13

506008

MFCD00002089

200-664-3

Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol<TMSYMBOL></TMSYMBOL> solvents range has been specially designed for spectroscopy and other applications requiring solvents of the highest spectral purity. The refinement process allows a greater degree of security in applications and avoids misinterpretation of analytical results caused by traces of UV, IR and fluorescence contamination. Uvasol<TMSYMBOL></TMSYMBOL> solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical wavelengths are identified.

容易过度冷却，并在室温下缓慢融化固化的产品放在室温下可以再次液化，对其本身无影响。

Saturation Concentration in Air: 8.0 g/m3 (20 °C)

Purity (GC): ≥ 99.8 %
Evaporation residue: ≤ 0.0004 %
Water: ≤ 0.05 %
Color: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Transmission (at 270 nm): ≥ 35 %
Transmission (at 280 nm): ≥ 50 %
Transmission (at 310 nm): ≥ 80 %
Transmission (at 330 nm): ≥ 90 %
Transmission (from 350 nm): ≥ 97 %
Absorbance (at 270 nm): ≤ 0.46
Absorbance (at 280 nm): ≤ 0.30
Absorbance (at 310 nm): ≤ 0.10
Absorbance (at 330 nm): ≤ 0.05
Absorbance (from 350 nm): ≤ 0.013

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany

100

2.7 (vs air)

0.42 mmHg ( 20 ℃)

≥99.8% (GC)

liquid

573 °F

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

42 %, 63 °F

UV/Vis spectroscopy: suitable

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

≤0.0004%

APHA: ≤10

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

n20/D 1.479 (lit.)

2.14 cSt

189 ℃ (lit.)

16-19 ℃ (lit.)

flash point 87 ℃

1.10 g/mL (lit.)

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

2-30℃

CS(C)=O

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

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

10 - Combustible liquids

WGK 1

188.6 °F - closed cup

87 ℃ - closed cup