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

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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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