Merck
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1.02952

Supelco

Dimethyl sulfoxide

for analysis EMSURE® ACS

Synonym(s):
Methanesulfinylmethane, Methyl sulfoxide, Dimethyl(oxido)sulfur, DMSO, DMSO
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
Beilstein:
506008
Número MDL:
Número índice de la CE:
200-664-3

Nivel de calidad

300

grado

ACS reagent

densidad de vapor

2.7 (vs air)

presión de vapor

0.42 mmHg ( 20 °C)

línea de producto

EMSURE®

ensayo

≥99.9% (GC)

formulario

liquid

temp. de autoignición

573 °F

potencia

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

lim. expl.

42 %, 63 °F

impurezas

≤0.0002 meq/g Titrable acid

residuo de evap.

≤0.001%

color

clearAPHA: ≤10

índice de refracción

n20/D 1.479 (lit.)

kinematic viscosity

2.14 cSt

bp

189 °C (lit.)

mp

16-19 °C (lit.)

temperatura de transición

flash point 87 °C

solubilidad

1000 g/L

densidad

1.10 g/mL (lit.)

trazas de catión

Fe: ≤0.0001%

temp. de almacenamiento

2-30°C

SMILES string

CS(C)=O

InChI

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

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

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Descripción general

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Precaución

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

Especificaciones

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

Nota de análisis

Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Titrable acid: ≤ 0.0002 meq/g
Density (d 20 °C/20 °C): 1.101 - 1.103
Refractive index (n 20/D): 1.478 - 1.479
Melting point: ≥ 18.0 °C
Boiling point: 188 - 190 °C
Absorption: conforms
Heavy metals (as Pb): ≤ 0.0001 %
Fe (Iron): ≤ 0.0001 %
Related substances (GC): conforms
Readily carbonizable substances: conforms
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.1 %

Información legal

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

Código de clase de almacenamiento

10 - Combustible liquids

WGK

WGK 1

Punto de inflamabilidad F

188.6 °F - closed cup

Punto de inflamabilidad C

87 °C - closed cup

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