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795488

Sigma-Aldrich

Potassium phosphate monobasic

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99%

Sinónimos:
prim.-Potassium phosphate, Monopotassium phosphate, Potassium dihydrogen phosphate
Fórmula lineal:
KH2PO4
Número de CAS:
Peso molecular:
136.09
Número de EC:
Número MDL:
ID de la sustancia en PubChem:

Nivel de calidad

200

grado

ACS reagent
anhydrous

línea de producto

Redi-Dri

ensayo

≥99%

formulario

powder

calidad

free-flowing

impurezas

≤0.01% Insoluble matter

pérdida

≤0.2% loss on drying, 105°C

pH

4.1-4.5 (25 °C, 5%)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

mp

252.6 °C (lit.)

densidad

2.338 g/mL at 25 °C (lit.)

trazas de anión

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.003%

trazas de catión

Fe: ≤0.002%
Na: ≤0.005%
heavy metals: ≤0.001% (by ICP)

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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Descripción general

Potassium phosphate monobasic (monopotassium orthophosphate) is a water soluble inorganic salt. Its standard enthalpy of formation has been reported to be −376.1 kcalmol-1. It acts a starting material in the synthesis of potassium metaphosphate.

Aplicación

Potassium phosphate monobasic has been used in the preparation of phosphate buffer and phosphate buffered saline (PBS). It has also been used in the preparation of PEG1000 (polyethylene glycol)/potassium phosphate aqueous two-phase systems (ATPS).

Envase

1, 2.5 kg in poly bottle
500 g in poly bottle

Características y beneficios

  • Increased efficiency – Eliminate time and effort of loosening hardened powders
  • Safety – Avoid risks of using tools of force to break up clumps
  • Economy – Faster preparation and solvation increase productivity and reduce costs
  • Assured quality – Excellent, expert-tested quality with no anti-caking agents
  • Flexible volumes – Available from research amounts to scale-up quantities

Información legal

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Código de clase de almacenamiento

13 - Non Combustible Solids

WGK

WGK 1

Certificado de Análisis

Certificado de origen

Wenchong Sun et al.
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Lina M González et al.
Nature chemical biology, 16(2), 126-133 (2019-12-04)
Materials can be made multifunctional by embedding them with living cells that perform sensing, synthesis, energy production, and physical movement. A challenge is that the conditions needed for living cells are not conducive to materials processing and require continuous water
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American journal of physiology. Regulatory, integrative and comparative physiology, 318(2), R256-R262 (2019-11-14)
Preeclampsia (PE) is characterized by new-onset hypertension that usually occurs in the third trimester of pregnancy and is associated with oxidative stress and angiotensin II type 1 receptor agonistic autoantibodies (AT1-AAs). Inhibition of the AT1-AAs in the reduced uterine perfusion
Venkata Ramana Vaka et al.
American journal of physiology. Regulatory, integrative and comparative physiology, 316(5), R441-R447 (2019-02-28)
Preeclampsia (PE) is characterized by new-onset hypertension during pregnancy and is associated with immune activation and placental oxidative stress. Mitochondrial dysfunction is a major source of oxidative stress and may play a role in the pathology of PE. We (Vaka
Mao Taketani et al.
Nature biotechnology, 38(8), 962-969 (2020-04-02)
Bacteroides thetaiotaomicron is a human-associated bacterium that holds promise for delivery of therapies in the gut microbiome1. Therapeutic bacteria would benefit from the ability to turn on different programs of gene expression in response to conditions inside and outside of

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