Monopotassium phosphate (KH2PO4,CAS:7778-77-0,MKP,potassium dihydrogen phosphate, potassium phosphate monobasic) is one of TongVo's hot sale products.

Monopotassium phosphate

Monopotassium phosphate (KH2PO4,MKP) is one of TongVo's hot sale products.

Monopotassium phosphate

Title: Monopotassium phosphate

Synonyms: potassium dihydrogen phosphate, potassium phosphate monobasic, MKP
Formula: KH2PO4, Molecular: 136.09
CAS #: 7778-77-0, Einecs: 231-913-4

Standard(s): FCC V, Q/9134-2008

Grade: technical grade, food grade

Monopotassium phosphate


Item Technical grade Food grade
Packing: 25Kgs/bag, in woven or kraft paper bags with inner bag , or as customer's requirements.
Appearance White powder or granule White powder or granule
Assay (KH2PO4) % ≥98 ≥98
P2O5 % ≥51.5 ≥51.5
K2O % ≥34 ≥34
Iron (Fe) % ≤0.01 /
Arsenic (As) % ≤0.001 ≤0.0003
Lead (Pb) % / ≤0.0002
Heavy metal (as Pb) % ≤0.005 /
Fluoride (F) % / ≤0.001
Chloride(Cl) % ≤0.1 /
pH (1% sol.) 11.5~12.5 11.5~12.5
Water insolube % ≤0.1 ≤0.1
Loss on ignition % ≤1.0 ≤2.0


Monopotassium phosphate is colorless or white crystalline granule or crystalline powder, odorless, steady in air, relative density 2.338, melting point 96 ℃-253 ℃, easily soluble in water (83.5g/100ml, 90 ℃), PH4.2-4.7 in 2.7% aqueous solution, but insoluble in ethanol.


Monopotassium phosphate is used to make potassium polyphosphate, and used as basic material for N,P,K compound fertilizer. It can also used as food additive. It can used in food industry as buffer agent, sequestering binder, yeast dietary agent flavor, enhancers, dietary supplement, ferment, supplement, expansion, agent etc.

Storage & handling

Packing: It is packed with plastic bag as liner, and a compound plastic woven bag as the outer layer, net weight of each bag is 25kg.

Storage and handling: Keep in cool dry place. It should be stored in a dry and ventilate warehouse; kept away form water and moisture during transportation with care to avoid damage to bags Furthermore, it should be stored separately from poisonous Substances.

Air transportation: arranged as ordinary goods.

Harzards Identification & Classifications: N/A

Shelf life

12 months.

Related products

Support: Monopotassium phosphate technical datasheet (TDS), Monopotassium phosphate material safety datasheet (MSDS).

Remarks:Monopotassium phosphate (CAS:7778-77-0) is one of TongVo's hot sale products.