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/449/386/product-dating-information-mk.pdf
567545
Sodium Phosphate, Monobasic
ACS Reagent Grade. Useful in conjunction with Sodium Phosphate, Dibasic in the preparation of biological buffers.
Synonym(s):
Sodium phosphate monobasic monohydrate, NaH₂PO₄, Monosodium phosphate, Sodium dihydrogen phosphate monohydrate
About This Item
Recommended Products
grade
ACS reagent
Quality Level
description
Merck USA index - 14, 8660
Assay
≥98% (by assay)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
color
white
pKa (20 °C)
7.21
solubility
water: soluble
cation traces
heavy metals: ≤0.001%
shipped in
ambient
storage temp.
10-30°C
SMILES string
[Na+].[H]O[H].OP(O)([O-])=O
InChI
1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1
InChI key
BBMHARZCALWXSL-UHFFFAOYSA-M
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General description
Warning
Reconstitution
Legal Information
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 3
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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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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