Disodium hydrogen phosphate heptahydrate, EMSURE® ACS for analysis, Supelco®
Supplier: Merck
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About this item
Synonyms: Sodium phosphate dibasic heptahydrate, Sodium hydrogen phosphate heptahydrate, Sodium monohydrogen phosphate heptahydrate
CAS Number:7782-85-6
:
Formula:HNa₂O₄P·7H₂O
MDL Number:MFCD00149180
Density:1.7 g/cm³ (20 °C)
Molecular Weight:268.07 g/mol
Melting Pt:48
:M-Clarity™ quality level = MQ300
Storage Temperature:Ambient
EINECS:231-448-7
Specifications
- Environmentally Preferable:
Specifications
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 %
Specification Test Results
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