Sodium dihydrogen phosphate monohydrate 99.0-102.0% (by alkalimetry), EMSURE® ACS for analysis, Supelco®

Supplier: MilliporeSigma

Synonyms: Sodium phosphate monobasic monohydrate, Sodium dihydrogen orthophosphate monohydrate, Monosodium phosphate monohydrate, Sodium dihydrogenorthophosphate monohydrate, Sodium orthophosphate monobasic monohydrate

1.06346.1000 1.06346.9025 1.06346.9050
CA1.06346.1000CS 1602 CAD
CA1.06346.1000 CA1.06346.9025 CA1.06346.9050
Sodium dihydrogen phosphate monohydrate 99.0-102.0% (by alkalimetry), EMSURE® ACS for analysis, Supelco®
Sodium dihydrogen phosphate monohydrate

In North America 106346.0500 replaces and is identical to SX0709-5
In North America 106346.0500 replaces but has a superior specification to SX0710-1
In North America 106346.1000 replaces but has a superior specification and different pack size to SX0710-3
In North America 106346.9012 replaces but has a superior specification to SX0710-5
In North America 106346.9050 replaces but has a superior specification to SX0710-20

Formula: NaH₂PO₄·H₂O
MW: 137.99 g/mol
Melting Pt: 100 °C
Density: 2.04 g/cm3 (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149208
CAS Number: 10049-21-5
EINECS: 231-449-2
Merck Index: 13,08734
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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 %

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