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Potassium phosphate monobasic

Catalog No. 60216 Name Sigma Aldrich
CAS Number 7778-77-0 Website http://www.sigmaaldrich.com
M. F. H2KO4P Telephone 1-800-521-8956
M. W. 136.085541 Fax
Purity ≥99.995% (metals basis) Email
Storage Chembase ID: 105585

SYNONYMS

Title
磷酸钾 一元
IUPAC name
potassium dihydrogen phosphate
IUPAC Traditional name
potassium dihydrogen phosphate
Synonyms
prim.-Potassium phosphate
Potassium dihydrogen phosphate
无水磷酸二氢钾
Monopotassium phosphate
磷酸一钾
磷酸二氢钾

DATABASE IDS

CAS Number 7778-77-0
MDL Number MFCD00011401
EC Number 231-913-4
PubChem SID 24881811

PROPERTIES

Antion Traces chloride (Cl-): ≤5 mg/kg
Antion Traces sulfate (SO42-): ≤30 mg/kg
Cation Traces As: ≤0.01 mg/kg
Cation Traces Ba: ≤1 mg/kg
Cation Traces Ca: ≤0.5 mg/kg
Cation Traces Cd: ≤0.005 mg/kg
Cation Traces Ce: ≤0.01 mg/kg
Cation Traces Co: ≤0.01 mg/kg
Cation Traces Cu: ≤0.005 mg/kg
Cation Traces Eu: ≤0.01 mg/kg
Cation Traces Fe: ≤0.1 mg/kg
Cation Traces Hg: ≤0.005 mg/kg
Cation Traces La: ≤0.01 mg/kg
Cation Traces Mg: ≤0.5 mg/kg
Cation Traces Mn: ≤0.01 mg/kg
Cation Traces Na: ≤20 mg/kg
Cation Traces Ni: ≤0.01 mg/kg
Cation Traces Pb: ≤0.005 mg/kg
Cation Traces Sm: ≤0.01 mg/kg
Cation Traces Sr: ≤0.5 mg/kg
Cation Traces Tl: ≤0.01 mg/kg
Cation Traces Y: ≤0.01 mg/kg
Cation Traces Yb: ≤0.01 mg/kg
Cation Traces Zn: ≤0.005 mg/kg
Description anhydrous
Grade TraceSELECT®
Impurities ≤10 mg/kg total nitrogen (N)
Linear Formula KH2PO4
Purity ≥99.995% (metals basis)
pKa (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) (25°C)
Density 2.338 g/mL at 25 °C(lit.)
Melting Point 252.6 °C(lit.)
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS TC6615500
German water hazard class 2

DETAILS

Description (English)
Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC
Description (简体中文)
法律信息
TraceSELECT 注册商标 Sigma-Aldrich Co. LLC

REFERENCES