Sodium dihydrogen phosphate monohydrate 99.0-102.0% (by alkalimetry), EMSURE® ACS for analysis, Supelco®
Supplier: MilliporeSigma
Certificates
About this item
CAS Number:10049-21-5
:
Formula:NaH₂PO₄·H₂O
MDL Number:MFCD00149208
:137.99 g/mol
Merck Index:13,08734
Melting Pt:100 °C
Density:2.04 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-449-2
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Specification Test Results
- Solubility:850 g/l (20 °C)
- Molar Mass:137.99 g/mol
- Bulk Density:880 kg/m3
- Density:2.04 g/cm3 (20 °C)
- pH:4.1 - 4.5 (50 g/l, H2O, 25 °C)
- Assay (alkalimetric):99.0 - 102.0 %
- Insoluble matter:≤ 0.01 %
- pH-value (5 %; water, 25 °C):4.1 - 4.5
- UV absorption (280 nm; 1 mol/l; 1 cm; water):≤ 0.05
- Chloride (Cl):≤ 0.0005 %
- Sulphate (SO₄):≤ 0.003 %
- Total nitrogen (N):≤ 0.001 %
- Heavy metals (as Pb):≤ 0.0005 %
- Ca (Calcium):≤ 0.005 %
- Fe (Iron):≤ 0.0005 %
- K (Potassium):≤ 0.005 %