Methanesulfonic anhydride
[CAS NO.:] 7143-01-3
Structural formula:

Molecular formular: C2H6O5S2
Molecular weight: 174.2
Description: White to off-white solid
Identification(IR): Positive
Water by K.F.: 0.5% max.
Free acid: 1.0% max.
HPLC purity: 98.5% min.
Assay by titration: 98.5-101.5%
Usage: Intermediate for APIs
Package: 25kg seaworthy fibre drum
Capacity: 10MT/month
Remarks: We also can offer other grades according to customer's requirement.


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