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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Acerca de este artículo
99.5-100.5% (alkalimetric)
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grade
reagent grade
Quality Level
agency
reag. ISO
suitable for SM 5210
product line
EMSURE®
assay
≥99.5% dry basis (alkalimetric)
99.5-100.5% (alkalimetric)
form
solid
potency
>4640 mg/kg LD50, skin (Rabbit)
technique(s)
UV/Vis spectroscopy: suitable
loss
≤0.2% loss on drying, 110 °C
≤0.2% loss on drying, 130 °C
pH
4.2-4.6 (20 °C, 20 g/L in H2O)
mp
252.6 °C (lit.)
solubility
208 g/L
density
2.338 g/mL at 25 °C (lit.)
bulk density
1200 kg/m3
anion traces
chloride (Cl-): ≤0.0005%
sulfate (SO42-): ≤0.003%
cation traces
As: ≤0.0002%
Cu: ≤0.0003%
Fe: ≤0.0010%
N: ≤0.001%
Na: ≤0.02%
Pb: ≤0.001%
heavy metals (as Pb): ≤0.0010%
storage temp.
2-30°C
SMILES string
[K+].OP(O)([O-])=O
InChI
1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChI key
GNSKLFRGEWLPPA-UHFFFAOYSA-M
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Este artículo | 04243 | 92214 | 57618 |
|---|---|---|---|
| form solid | form crystalline | form - | form solid |
| assay ≥99.5% dry basis (alkalimetric), 99.5-100.5% (alkalimetric) | assay 98-100.5% (calc. to the dried substance) | assay - | assay 99.5-101.0% (T) |
| solubility 208 g/L | solubility H2O: soluble 4.5 parts, alcohol: insoluble | solubility - | solubility H2O: 10%, clear, colorless |
| Quality Level 300 | Quality Level 200 | Quality Level 100, 300 | Quality Level - |
| anion traces chloride (Cl-): ≤0.0005%, sulfate (SO42-): ≤0.003% | anion traces chloride (Cl-): ≤10 mg/kg, fluoride (F-): ≤10 mg/kg, sulfate (SO42-): ≤200 mg/kg | anion traces - | anion traces - |
| pH 4.2-4.6 (20 °C, 20 g/L in H2O) | pH 4.2-4.5 (20 °C, 5%) | pH - | pH 4.1-4.5 |
Application
- Nanoemulsiones estabilizadas con β-lactoglobulina: factores de formulación y proceso que afectan el tamaño de las gotas y la estabilidad de la nanoemulsión: se exploran los mecanismos de estabilización de β-lactoglobulina en nanoemulsiones, con implicaciones para las ciencias farmacéutica y alimentaria, pudiendo utilizar sustancias como el fosfato de potasio monobásico para la estabilidad y el control del pH (Ali et al., 2016).
- Determinación mediante cromatografía de líquidos de fase inversa de residuos de sulfatiazol en la miel: se discute un método para detectar sulfatiazol en la miel mediante cromatografía de líquidos de fase inversa, destacando la importancia de las técnicas analíticas que podrían involucrar reactivos como el fosfato de potasio monobásico para la preparación y el análisis de muestras (Barry y MacEachern, 1983).
Analysis Note
Valoración (alcalimétrica, sustancia seca): ≥ 99,5 %
Valor de pH (5 %; agua): 4,2 - 4,5
Cloruros (Cl): ≤ 0,0005 %
Sulfatos (SO₄): ≤ 0,003 %
Nitrógeno total (N): ≤ 0,001 %
Metales pesados (como Pb): ≤ 0,0010 %
As (Arsénico): ≤ 0,0002 %
Cu (Cobre): ≤ 0,0003 %
Fe (Hierro): ≤ 0,0010 %
Na (Sodio): ≤ 0,02 %
Pb (Plomo): ≤ 0,001 %
Sustancias reductoras: pasa la prueba
Pérdida por desecación (110 °C): ≤ 0,2 %
Pérdida por desecación (130 °C): ≤ 0,2 %
Conforme a la ISO
Legal Information
Clase de almacenamiento
13 - Non Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificados de análisis (COA)
Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»
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This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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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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Is this product traceability to NIST or ISO 17034
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Potassium phosphate monobasic, product 1.04873, is for analysis EMSURE ISO. All EMSURE® products with the designation “ISO” are compliant with ISO 6353. Product 1.04873 is not NIST traceable.
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