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LC5154 tri-Potassium phosphate trihydrate

extra pure


Order number Packaging Quantity Price €
AC32154 Plastic bottle 1 kg inquire
AC32154 Double PE Sack  25 kg inquire


Product information
Synonyms Potassium phosphate tribasic, Tripotassium phosphate
Hill Formula K3O4P * 3 H2O
Chemical formula K3PO4 * 3 H2O
HS Code 2835 24 00
EC number 231-907-1
Molar mass 266.32 g/mol
CAS number 22763-03-7


Chemical and physical data
Solubility 1650 g/l (20 °C)
Molar mass 266.32 g/mol
Density 3.12 g/cm3 (20 °C)
Bulk density 900 kg/m3
pH value 12 (10 g/l, H2O, 20 °C)


Safety information according to GHS
Hazard Statement(s) H314: Causes severe skin burns and eye damage.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
Precautionary Statement(s) P260: Do not breathe dust.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Hazard Pictogram(s)
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Safety information
R Phrase R 36/38
Irritating to eyes and skin.
Categories of danger irritant
Hazard Symbol Irritant


Toxicological data
LD 50 oral LD50 rat 2000 mg/kg


Assay (acidimetric) ≥ 98.0 %
Identity passes test
Free alkali (as KOH) ≤ 1.0 %
di-Potassium hydrogen phosphate ≤ 1.0 %
Chloride (Cl) ≤ 0.003 %
Total nitrogen (N) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.002 %
As (Arsenic) ≤ 0.0001 %
Fe (Iron) ≤ 0.001 %
Na (Sodium) ≤ 0.5 %