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Potassium phthalate monobasic

Catalog No. 60359 Name Sigma Aldrich
CAS Number 877-24-7 Website http://www.sigmaaldrich.com
M. F. C8H5KO4 Telephone 1-800-521-8956
M. W. 204.2212 Fax
Purity ≥99.5% (T) Email
Storage Chembase ID: 103664

SYNONYMS

Title
邻苯二甲酸氢钾
IUPAC name
potassium 2-carboxybenzoate
IUPAC Traditional name
potassium hydrogen phthalate
Synonyms
Phthalic Acid Monopotassium Salt
酞酸氢钾
Potassium Biphthalate
Potassium hydrogen phthalate
KHP
苯二甲酸氢钾
邻苯二甲酸 单钾盐

DATABASE IDS

CAS Number 877-24-7
PubChem SID 24881853
MDL Number MFCD00013070
EC Number 212-889-4
Beilstein Number 3637128

PROPERTIES

abs. absorption0.1M/309 nm, H2O cut-off
Antion Traces chloride (Cl-): ≤20 mg/kg
Antion Traces sulfate (SO42-): ≤50 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: ≤100 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
Impurities insoluble matter, passes filter test
Linear Formula HOOCC6H4COOK
Loss on Drying ≤0.05% loss on drying, 110 °C
Product Line BioUltra
Purity ≥99.5% (T)
Melting Point 295-300 °C (dec.)(lit.)
pH 3.5-5.0 (25 °C, 0.1 M in H2O)
Solubility H2O: soluble0.1 M at 20 °C, clear, colorless
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS CZ4326000
German water hazard class 2

DETAILS

REFERENCES