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Sodium dihydrogen phosphate hydrate ≥98%

Supplier: MilliporeSigma
Synonyms: Sodium dihydrogen orthophosphate hydrateSodium phosphate monobasic

567545-500GM 567545-1KG
Useful in conjunction with Sodium Phosphate, Dibasic in the preparation of biological buffers.

Formula: NaH₂PO₄·xH₂O
CAS Number: 10049-21-5
Specification Test Results
Form White Solid
Hill Formula NaH2PO4.H2O
Chemical Formula NaH2PO4.H2O
pKa 7.21 at 20 °C
Purity ≥98% by assay
Contaminants Heavy metals: ≤0.001%
Toxicity Standard Handling
Storage 15 to 30 °C
Do not Freeze Ok to Freeze
Special Instructions Following reconstitution, store at room temperature. Stock solutions are stable for several months at room temperature



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Size Packaging Supplier No. VWR Catalog Number Unit Price Quantity
500 g Glass Bottle 567545-500GM 80058-650 Each (500g) Retrieving Restricted
1 kg Glass Bottle 567545-1KG 80058-646 Each (1kg) Retrieving Restricted
restricted In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

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