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1.02952

Supelco

Dimethyl sulfoxide

for analysis EMSURE® ACS

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Synonym(s):
Methanesulfinylmethane, Methyl sulfoxide, Dimethyl(oxido)sulfur, DMSO, DMSO
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
Beilstein/REAXYS Number:
506008
MDL number:
EC Index Number:
200-664-3

grade

ACS reagent

Quality Level

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

product line

EMSURE®

assay

≥99.9% (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

impurities

≤0.0002 meq/g Titrable acid

evapn. residue

≤0.001%

color

clearAPHA: ≤10

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

solubility

1000 g/L

density

1.10 g/mL (lit.)

cation traces

Fe: ≤0.0001%

storage temp.

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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1 of 4

This Item
1.371171.07046317275
Dimethyl sulfoxide for analysis EMSURE® ACS

1.02952

Dimethyl sulfoxide

Dimethyl sulfoxide EMPROVE® EXPERT, Ph. Eur., ChP, USP

1.37117

Dimethyl sulfoxide

Dimethyl sulfoxide for analysis EMPARTA® ACS

1.07046

Dimethyl sulfoxide

Dimethyl Sulfoxide ACS Reagent Grade.

317275

Dimethyl Sulfoxide

grade

ACS reagent

grade

-

grade

ACS reagent

grade

-

Quality Level

300

Quality Level

500

Quality Level

-

Quality Level

100

solubility

1000 g/L

solubility

-

solubility

-

solubility

-

form

liquid

form

liquid

form

-

form

liquid

cation traces

Fe: ≤0.0001%

cation traces

-

cation traces

-

cation traces

-

General description

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.

Application

Dimethyl sulfoxide is used as a solvent:
  • To dissolve the substrate and to dilute fluorogenic substrate.
  • To permeabilize V. natriegens or E coli cell.

Caution

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

Specifications

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

Analysis Note

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 %

Legal Information

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

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup


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Protocols

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