Certificate of Analysis
Product Name:
Sodium pyrophosphate tetrabasic
Product Description:
purum, anhydrous, ≥98%
Product Brand:
Sigma-Aldrich
Product Number:
04286
Molecular Weight:
265.90
Molecular Formula:
Na4P2O7
CAS Number:
7722-88-5
Test
Specification
Lot 33090 Results
assay
This former Riedel-de Haën product has been rebranded. The Riedel-de Haën branded Certificate of Analysis for this lot is still available on request. Contact your local Sigma-Aldrich office.
loss on drying (105°C, 4 h)
99.9 %
iron (Fe)
0.2 %
heavy metals (as Pb)
< 0.002 %
chloride (Cl)
< 0.002 %
sulphate (SO4)
< 0.03 %
QC-Releasedate
< 0.03 %
rec. Retest Date
26.01.05
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28.02.06
