Sodium dihydrogen phosphate dihydrate, EMPROVE® ESSENTIAL Ph. Eur., BP, USP, JPE, E339, SAFC®
Supplier: MilliporeSigma
Certificates
About this item
CAS Number:13472-35-0
:
Formula:NaH₂PO₄·2H₂O
MDL Number:MFCD00149209
:156.01 g/mol
Melting Pt:60 °C
Density:1.915 g/cm3 (20 °C)
EINECS:231-449-2
Some Products May Appear Restricted
To ensure a smooth and speedy checkout, please log in to your account. Some items may show as restricted simply because you're not logged in.
If you do not have an account, you can register using our registration webform (https://www.avantorsciences.com/us/en/login/register)
If you're still seeing restrictions after logging in, certain products—like chemicals or medical devices—require additional account verification steps to be able to place an order. Some items may additionally require a specific license or customer documentation; additional documentation will be requested for these items prior to shipment.
Specification Test Results
- Assay (alkalimetric, calculated on dried substance):98.0 - 100.5 %
- Assay (alkalimetric; dried substance):98.0 - 101.0 %
- Identity:passes test
- Appearance of solution:passes test
- In water insoluble matter (calculated on dried substance):≤ 0.15 %
- pH-value (1 %, water):4.1 - 4.7
- pH-value (5 %; water):4.2 - 4.5
- pH-value (5.7 %; water):4.1 - 4.5
- Chloride (Cl):≤ 0.005 %
- Fluoride (F):≤ 0.001 %
- Hydrogenphosphate (HPO₄):≤ 0.5 %
- Sulfate (SO₄):≤ 0.01 %
- Heavy metals (as Pb):≤ 0.0005 %
- Al, Ca and other elements detectable with ammonia:passes test
- As (Arsenic):≤ 0.0001 %
- Cd (Cadmium):≤ 0.0001 %
- Fe (Iron):≤ 0.001 %
- Hg (Mercury):≤ 0.0001 %
- Pb (Lead):≤ 0.0001 %
- Substances reducing potassium permanganate (as O):passes test
- Residual solvents (ICH Q3C):excluded by production process
- Loss on drying (130 °C):22.0 - 24.0 %