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Potassium phosphate, ACS, 98.0% min, Thermo Scientific Chemicals

Product Code. 15442737
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Quantity:
250 g
1 kg
5 kg

Potassium phosphate tribasic is a reagent with a very high buffering capacity. It is widely used in molecular biology, biochemistry, and chromatography, used for the extraction of keratohyalin protein from bovine tissue, to study the effects of freezing and thawing on the stability of proteins sensitive to conformational changes. It is used as a food additive for its properties as an emulsifier, foaming agent, and whipping agent.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7778-53-2
Molecular Formula K3O4P
Molecular Weight (g/mol) 212.265
MDL Number MFCD00036295
InChI Key LWIHDJKSTIGBAC-UHFFFAOYSA-K
Synonym potassium phosphate, tripotassium phosphate, potassium phosphate tribasic, phosphoric acid, tripotassium salt, potassium orthophosphate, tripotassium orthophosphate, caswell no. 700a, potassium phosphate, tribasic, potassium phosphate k3po4, ccris 7321
PubChem CID 62657
IUPAC Name tripotassium;phosphate
SMILES [O-]P(=O)([O-])[O-].[K+].[K+].[K+]

Specifications

Melting Point 1340°C
Color White
Physical Form Granules
Quantity 5 kg
Merck Index 14,7660
Solubility Information Soluble in water; Insoluble in alcohol;
Formula Weight 212.27
Percent Purity ≥98.0%
Grade ACS
Sensitivity Hygroscopic
Density 2.564 g/mL
Chemical Name or Material Potassium phosphate
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Product Identifier
  • Potassium phosphate
Signal Word
  • Danger
Hazard Category
  • Serious eye damage/eye irritation Category 1
  • Specific target organ toxicity Category 3
Hazard Statement
  • H318-Causes serious eye damage.
  • H335-May cause respiratory irritation.
Precautionary Statement
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
Supplemental information
  • MIXTURE LIST-Contains : Phosphoric acid, tripotassium salt

RUO – Research Use Only

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