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Sodium Acid Pyrophosphate di-sodium dihydrogen pyrophosphate anhydrous CAS:7758-16-9
Name: Sodium Acid Pyrophosphate
Synonyms: di-sodium dihydrogen pyrophosphate anhydrous
CAS:7758-16-9
MF: Na2H2P2O7
Test Items |
Specification (Food grade) |
Appearance |
White powder or grains |
Assay (Na2H2P2O7),% |
95.0 min |
Water insoluble,% |
1.0 max |
PH value (1% solution) |
3.7-4.4 |
Loss on drying,% |
0.5 max |
Arsenic, ppm |
2 max |
Fluoride, ppm |
30 max |
Heavy metal |
10 max |
Pb, ppm |
4 max |
Cd, ppm |
1 max |
Hg, ppm |
1 max |
Bulk density, g/l |
800-1150 |
Ror |
26-30 |
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