Disodium hydrogen phosphate heptahydrate, EMSURE® ACS for analysis, Supelco®
Supplier: Merck
Synonyms:
Sodium phosphate dibasic heptahydrate, Sodium hydrogen phosphate heptahydrate, Sodium monohydrogen phosphate heptahydrate
M-Clarity™ quality level = MQ300
1.06575.1000
1.06575.9025
1.06575.1000EA
119
EUR
1.06575.1000
1.06575.9025
Disodium hydrogen phosphate heptahydrate, EMSURE® ACS for analysis, Supelco®
di-Sodium hydrogen phosphate heptahydrate
Formula:
HNa₂O₄P·7H₂O MW: 268,07 g/mol Melting Pt: 48 °C Density: 1,7 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00149180 CAS Number: 7782-85-6 EINECS: 231-448-7 |
Specification Test Results
Assay (acidimetric) | 98.0 - 102.0 % |
Identity | passes test |
Insoluble matter | ≤ 0.005 % |
pH-value (5 %; water, 25 °C) | 8.7 - 9.3 |
Chloride (Cl) | ≤ 0.001 % |
Sulfate (SO₄) | ≤ 0.005 % |
Heavy metals (ACS) | ≤ 0.001 % |
Fe (Iron) | ≤ 0.001 % |
Corresponds to ACS |
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