The weight of each pack size is listed on the Product Detail Page as follows:
1065800500 - 500G
1065801000 - 1KG
1065805000 - 5KG
1065809025 - 25KG
1065809050 - 50KG
1.06580
di-Sodium hydrogen phosphate dihydrate
for analysis EMSURE®
Synonym(s):
di-Sodium hydrogen phosphate dihydrate, Sodium monohydrogen phosphate, Sodium phosphate dibasic, sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, Sodium phosphate dibasic dihydrate
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About This Item
Linear Formula:
Na2HPO4 · 2H2O
CAS Number:
Molecular Weight:
177.99
NACRES:
NA.21
EC Index Number:
231-448-7
UNSPSC Code:
12352302
MDL number:
Assay:
≥99.5% (acidimetric)
Grade:
Laboratory Reagent
Form:
solid
Solubility:
93 g/L
Pricing and availability is not currently available.
grade
Laboratory Reagent
Quality Level
product line
EMSURE®
assay
≥99.5% (acidimetric)
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
pH
9.0-9.2 (20 °C, 50 g/L in H2O)
mp
92.5 °C (Elimination of water of crystallisation)
solubility
93 g/L
density
2.1 g/cm3 at 20 °C
bulk density
850‑1000 kg/m3
anion traces
chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.005%
cation traces
Cu: ≤0.0003%, Fe: ≤0.001%, K: ≤0.005%, N: ≤0.001%, Pb: ≤0.001%, heavy metals (as Pb): ≤0.001%
storage temp.
2-30°C
SMILES string
O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI
1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
InChI key
KDQPSPMLNJTZAL-UHFFFAOYSA-L
Application
di-Sodium hydrogen phosphate dihydrate can be used as a:
- Buffering agent in size exclusion chromatography (SEC) analysis of adalimumab.
- Phosphorus source in the synthesis of hydroxyapatite via wet chemical precipitation.
Analysis Note
Assay (acidimetric): ≥ 99.5 %
Identity: passes test
pH-value (5 %; water): 9.0 - 9.2
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Cu (Copper): ≤ 0.0003 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Identity: passes test
pH-value (5 %; water): 9.0 - 9.2
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Cu (Copper): ≤ 0.0003 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Other Notes
Replaces: 1.06580.9057; SX0713; SX0713-5
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
1 of 1
This Item | |||
|---|---|---|---|
| form solid | form solid | form crystalline | form solid |
| solubility 93 g/L | solubility 93 g/L | solubility - | solubility 93 g/L |
| assay ≥99.5% (acidimetric) | assay - | assay - | assay - |
| Quality Level 300 | Quality Level 500 | Quality Level 500 | Quality Level 500 |
| grade Laboratory Reagent | grade - | grade - | grade - |
| anion traces chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.005% | anion traces - | anion traces - | anion traces - |
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Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1065809025 | 04022536079561 |
| 1065809050 | 04022536079578 |
| 1065800500 | 04022536079493 |
| 1065801000 | 04022536079516 |
| 1065805000 | 04022536079547 |
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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