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Merck
CN

8.18034

Methanesulfonic anhydride

for synthesis

Synonym(s):

Methanesulfonic anhydride

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About This Item

Linear Formula:
(CH3SO2)2O
CAS Number:
Molecular Weight:
174.20
EC Index Number:
230-442-1
UNSPSC Code:
12352106
MDL number:
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Product Name

Methanesulfonic anhydride, for synthesis

InChI

1S/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3

InChI key

IZDROVVXIHRYMH-UHFFFAOYSA-N

form

crystals

bp

105-109 °C/1.3 hPa

mp

66-69 °C

Analysis Note

Assay (morpholine method): ≥ 98.0 %
Melting range (lower value): ≥ 66 °C
Melting range (upper value): ≤ 69 °C
Identity (IR): passes test

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Skin Corr. 1A

supp_hazards

Storage Class

8A - Combustible, corrosive hazardous materials

wgk

WGK 3

flash_point_c

Not applicable


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