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7778-77-0

7778-77-0 structure
7778-77-0 structure
  • Name: Monopotassium phosphate
  • Chemical Name: potassium dihydrogen phosphate
  • CAS Number: 7778-77-0
  • Molecular Formula: H2KO4P
  • Molecular Weight: 136.08
  • Catalog: API Water, electrolyte and acid-base balance regulator Acid-base balance regulator
  • Create Date: 2018-02-04 08:00:00
  • Modify Date: 2025-08-20 10:31:59
  • Potassium phosphate monobasic (DiA) is a commonly used in biological assay buffers. Potassium phosphate monobasic is moderate to highly concentrated aqueous solutions of potassium phosphate monobasic for the production of phosphate buffers and other laboratory applications.
Name potassium dihydrogen phosphate
Synonyms Potassium diphosphate
dihydrogène phosphate de potassium
Monopotassium monophosphate
potassium dihydrogen-phosphate
MFCD00011401
Phosphoric acid, potassium salt (2:1)
PHOSPHORIC ACID, POTASSIUM SALT
Potassium phosphate
Potassium orthophosphate
Phosphoric acid monopotassium salt
EINECS 231-913-4
Potassium hydrogen phosphate (1:2:1)
Kaliumdihydrogen-phosphat
Monopotassium dihydrogen phosphate
Monopotassium orthophosphate
Potassium dihydrogen phosphate
Description Potassium phosphate monobasic (DiA) is a commonly used in biological assay buffers. Potassium phosphate monobasic is moderate to highly concentrated aqueous solutions of potassium phosphate monobasic for the production of phosphate buffers and other laboratory applications.
Related Catalog
Density 2.338
Boiling Point 158ºC at 760 mmHg
Melting Point 252.6ºC
Molecular Formula H2KO4P
Molecular Weight 136.08
Exact Mass 135.932770
PSA 90.40000
Storage condition Store at RT.
Water Solubility H2O: 1.5 M at 20 °C, clear, colorless | 222 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TC6615500
CHEMICAL NAME :
Phosphoric acid, monopotassium salt
CAS REGISTRY NUMBER :
7778-77-0
LAST UPDATED :
199710
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
H2-O4-P.K

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4640 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Gastrointestinal - other changes
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571153
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>4640 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571153
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes F: Flammable;T: Toxic;C: Corrosive;Xn: Harmful;
Risk Phrases R36/38
Safety Phrases S24/25
RIDADR 3260
WGK Germany 2
RTECS TC6615500
Hazard Class 8.0
HS Code 3105600000
Precursor  2

DownStream  0

HS Code 3105600000
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