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Merck
CN

1.02952

Dimethyl sulfoxide

for analysis EMSURE® ACS

Synonym(s):

Methanesulfinylmethane, Methyl sulfoxide, Dimethyl(oxido)sulfur, DMSO, DMSO

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About This Item

Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
UNSPSC Code:
12191502
NACRES:
NA.05
EC Index Number:
200-664-3
MDL number:
Beilstein/REAXYS Number:
506008
Assay:
≥99.9% (GC)
Grade:
ACS reagent
Bp:
189 °C (lit.)
Vapor pressure:
0.42 mmHg ( 20 °C)
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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

dilution

(for analytical testing)

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

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.

Features and Benefits

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

Other Notes

Discover EMSURE - to be more than sure!
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Legal Information

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

Disclaimer

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


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wgk

WGK 1

Storage Class

10 - Combustible liquids

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup



Certificates of Analysis (COA)

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Protocols

The article describes the sample preparation and photometric determination of silver concentration in water samples using Spectroquant® photometers and test kits.

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Global Trade Item Number

SKUGTIN
102952250004022536038292
102952400004027269429249
102952501104054839549991
102952100004022536038278
102952101104027269985714
102952251104027269985721
102952902504022536510347