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.pdf
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A propos de cet article
grade
ACS reagent
Quality Segment
agency
reag. Ph. Eur.
product line
EMSURE®
assay
99.0-102.0% (alkalimetric)
form
crystals
potency
>2000 mg/kg LD50, oral (Rat), >7940 mg/kg LD50, skin (Rabbit)
impurities
≤0.01% Insoluble matter
pH
4.1-4.5 (25 °C, 50 g/L in H2O)
solubility
850 g/L
density
2.04 g/cm3 at 20 °C
bulk density
880 kg/m3
anion traces
chloride (Cl-): ≤0.0005%, sulfate (SO42-): ≤0.003%
cation traces
Ca: ≤0.005%, Fe: ≤0.0005%, K: ≤0.005%, N: ≤0.001%, heavy metals: ≤0.0005%
UV absorption
λ: 280 nm Amax: ≤0.05
storage temp.
2-30°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
Application
- Development of a multiparticulate drug delivery system for in situ amorphisation : cette étude explore l'utilisation du dihydrogénophosphate de sodium monohydraté dans le développement d'un système multiparticulaire d'administration de médicaments. La recherche met en évidence le rôle de ce composé dans l'amorphisation in situ, améliorant ainsi la solubilité et la biodisponibilité des médicaments (Holm TP et al., 2022).
- Metabolomic characterization of rhubarb species by capillary electrophoresis and ultra-high-pressure liquid chromatography : le dihydrogénophosphate de sodium monohydraté est également utilisé dans le système tampon pour l'électrophorèse capillaire et l'UHPLC, facilitant l'analyse métabolomique des espèces de rhubarbe. Cette recherche souligne son importance pour améliorer l'efficacité de la séparation et de la résolution dans les méthodes analytiques (Tseng YJ et al., 2013).
Analysis Note
Matière insoluble : ≤ 0,01 %
pH (5 %, eau, 25 °C) : 4,1 - 4,5
Absorption UV (280 nm, 1 mol/l, 1 cm, eau) : ≤ 0.05
Chlorure (Cl) : ≤ 0,0005 %
Sulfate (SO₄) : ≤ 0,003 %
Azote total (N) : ≤ 0,001 %
Métaux lourds (ACS) : ≤ 0,0005 %
Ca (calcium) : ≤ 0,005 %
Fe (fer) : ≤ 0,0005 %
K (potassium) : ≤ 0,005 %
Conforme à ACS, Réact. Ph Eur
Other Notes
Legal Information
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Classe de stockage
11 - Combustible Solids
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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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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