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Potassium phosphate tribasic monohydrate

Catalog No. 60494 Name Sigma Aldrich
CAS Number 27176-10-9 Website http://www.sigmaaldrich.com
M. F. H2K3O5P Telephone 1-800-521-8956
M. W. 230.281541 Fax
Purity ≥95% (T) Email
Storage Chembase ID: 153092

SYNONYMS

Title
磷酸钾 一水合物
IUPAC name
tripotassium hydrate phosphate
IUPAC Traditional name
tripotassium hydrate phosphate
Synonyms
正磷酸钾 一水合物
磷酸三钾
tert-Potassium phosphate monohydrate
Tripotassium phosphate

DATABASE IDS

PubChem SID 24881892
EC Number 231-907-1
CAS Number 27176-10-9
MDL Number MFCD00150410

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤200 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤1000 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Empirical Formula (Hill Notation) K3O4P · H2O
Impurities insoluble matter, passes filter test
Impurities ≤0.6% free alkali
λ 1 M in H2O
Loss on Drying ≤13% loss on ignition, 800 °C
Product Line BioUltra
Purity ≥95% (T)
Absorption Wavelength λ: 260 nm Amax: 0.03
Absorption Wavelength λ: 280 nm Amax: 0.02
pH 12.5-14.0 (25 °C, 1 M in H2O)
Solubility H2O: soluble1 M at 20 °C, clear, colorless
GHS Pictograms GHS05
GHS Signal Word Danger
GHS Hazard statements H315-H318
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P280-P305 + P351 + P338
Risk Statements 38-41
RTECS TC8450000
Safety Statements 26-39
German water hazard class 2

DETAILS

REFERENCES