Sodium dihydrogen phosphate monohydrate, EMSURE® ACS for analysis, Supelco®

Supplier: MilliporeSigma

Synonyms: Sodium Phosphate Monobasic hydrateSodium dihydrogen orthophosphate monohydrateSodium dihydrogenorthophosphate monohydrateSodium phosphate monobasic monohydrateSodium dihydrogen orthophosphate 1-hydrateSodium orthophosphate monobasic monohydrateSodium dihydrogen phosphate 1-hydrate

1.06346.9050 1.06346.9025 1.06346.9050 1.06346.9025 1.06346.1000
EM1.06346.9050EA 4233 USD
EM1.06346.9050 CA1.06346.9025 EM1.06346.9025 CA1.06346.9050 CA1.06346.1000
Sodium dihydrogen phosphate monohydrate, 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: 12,08806
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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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