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MilliporeSigma

8.20774

Ethyl methanesulfonate

for synthesis

Synonym(s):

Ethyl methanesulfonate, Methanesulfonic acid ethyl ester

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5 ML

$51.40

25 ML

$167.00

$51.40


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About This Item

Empirical Formula (Hill Notation):
C3H8O3S
CAS Number:
Molecular Weight:
124.16
MDL number:
UNSPSC Code:
12352108
EC Index Number:
200-536-7
NACRES:
NA.22

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vapor pressure

0.27 hPa ( 25 °C)

Quality Level

assay

≥98.0% (GC)

form

liquid

bp

213-214 °C/1013 hPa

transition temp

flash point 100 °C

density

1.206 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

[S](=O)(=O)(OCC)C

InChI

1S/C3H8O3S/c1-3-6-7(2,4)5/h3H2,1-2H3

InChI key

PLUBXMRUUVWRLT-UHFFFAOYSA-N

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1 of 4

This Item
M08801299258.20916
assay

≥98.0% (GC)

assay

-

assay

99%

assay

≥95.0% (GC)

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

200

density

1.206 g/cm3 at 20 °C

density

1.206 g/mL at 20 °C

density

1.3 g/mL at 25 °C (lit.)

density

0.86 g/cm3 at 20 °C

storage temp.

2-30°C

storage temp.

-

storage temp.

-

storage temp.

2-30°C

form

liquid

form

liquid

form

liquid

form

liquid

bp

213-214 °C/1013 hPa

bp

85-86 °C/10 mmHg (lit.)

bp

202-203 °C (lit.)

bp

-

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.205 - 1.207
Identity (IR): passes test

pictograms

Exclamation markHealth hazard

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B - Eye Irrit. 2 - Muta. 1B - Repr. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

212.0 °F

flash_point_c

100 °C


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Questions

  1. What is the concentration or molarity of liquid EMS?

    1 answer
    1. The molarity of liquid Ethyl Methanesulfonate can be calculated using its density and molecular weight. The formula is: Molarity (moles/L) = Density (g/L) ÷ Molecular Weight (g/mol) × Purity. For this calculation: 1,206 g/L ÷ 124.16 g/mol × 0.994 = 9.65 M.

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