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Home > Inorganic Chemistry > Inorganic Salts > Monopotassium phosphate for Sale > Industrial, Food & Pharmaceutical Grade Monopotassium Phosphate (MKP) CAS 7778-77-0 Potassium Dihydrogen Phosphate
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Industrial, Food & Pharmaceutical Grade Monopotassium Phosphate (MKP) CAS 7778-77-0 Potassium Dihydrogen Phosphate buy - image1
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Industrial, Food & Pharmaceutical Grade Monopotassium Phosphate (MKP) CAS 7778-77-0 Potassium Dihydrogen Phosphate

35 Inquiries

Unit Price: Get Latest Price
CAS No.:

7778-77-0

Grade:

Food Grade

Content:

99%

Port:

Xiamen

Brand:

YiDa

Packaging:

25kg/PP Woven Bag (inner PE film); 50kg/Woven Bag; 1000kg/Big Bag

Price valid (until):

2026-07-10

Company Type:
Distributor
Location:
China
Qualification:
Main Products:

aryl or toluenesulfonic acid,Alkyl,hydrazine content,Ammonium bifluoride,Ammonia,Methanol

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Introduction


    Potassium Dihydrogen Phosphate (KH₂PO₄, CAS:7778-77-0,EINECS:231-913-4, HS Code:2835240000) is a white crystalline inorganic compound. We supply agricultural, food, feed and industrial grades complying with GB, FCC and USP standards. It dissolves quickly in water and is insoluble in ethanol, with weakly acidic aqueous solution. Featuring stable chemical properties and high nutrient availability, it is widely used as high-efficiency fertilizer, feed supplement, food additive and industrial pH regulator.

    Items Specifications
    KH₂PO₄ Purity ≥98.0% (Agri/Industrial) / ≥99.0% (Food/Feed)
    Appearance White Crystalline Powder or Granules
    Moisture Content ≤1.0%
    Heavy Metals (as Pb) ≤10 ppm
    Arsenic (As) ≤2 ppm
    pH Value (1% aqueous solution) 4.2–4.8

    Applications
    Agricultural Industry (Core Application)
    It is a classic high-concentration phosphorus-potassium compound fertilizer. Widely used as water-soluble fertilizer and foliar spray to promote flower budding, fruit setting and crop ripening. It enhances plant stress resistance against drought, cold and diseases, effectively improving yield and fruit quality for grains, fruits and vegetables.
    Feed Industry
    Serves as essential mineral additive for livestock, poultry and aquafeed. It supplements phosphorus and potassium to maintain animal electrolyte balance, strengthen bone development, boost immunity and reproductive performance.
    Food Industry
    Food grade product acts as acidity regulator, buffering agent and nutritional fortifier in beverages, dairy products, baked goods and condiments. It stabilizes food texture and flavor, fully complying with international food safety regulations.
    Other Industrial Applications
    Used as pH buffer and stabilizer in water treatment, electroplating and textile processing. Also applied as chemical raw material, laboratory analytical reagent and fermentation auxiliary in fine chemical production.

    Product Advantages
    ✅ Complete grade series: Four grades to meet agricultural, feed, food and industrial demands
    ✅ Low impurity content: Strict control on harmful substances for safe use
    ✅ Excellent solubility: Fast dissolution, ideal for drip irrigation and foliar application
    ✅ High bioavailability: Nutrients easily absorbed by crops and animals
    ✅ Stable performance: Good compatibility with most raw materials and chemicals
    ✅ Full export documents: Complete COA, MSDS and relevant certifications provided

    Packaging & Storage
    Standard packaging: 25kg woven bags with inner PE liner; 1000kg FIBC bulk bags for large orders. Food and feed grades adopt sealed composite packages. The product is slightly hygroscopic. Store in a cool, dry and well-ventilated warehouse. Keep containers tightly sealed to prevent moisture absorption and caking. Keep away from strong acids and alkalis. Shelf life is 24 months under proper storage conditions.

    Safety Information
    Classified as non-hazardous goods for regular transportation. Fine powder may cause mild irritation to skin, eyes and respiratory tract. Wear dust mask and protective gloves during handling. In case of contact, rinse immediately with plenty of clean water. Complete MSDS and qualification certificates can be provided upon request.

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    With 15 years of experience in chemical foreign trade, we offer the following core strengths to support your procurement needs:

    1. 1.A 70,000 ㎡ warehouse (20,000 MT capacity) with moisture-proof and temperature-controlled systems, enabling efficient fulfillment of large-volume orders.
    2. 2.Free samples (Ship within 3-7 days) to let you test products at zero trial cost.
    3. 3.Transparent lead time for hazardous chemicals: 45–60 days, with clear delivery schedules.
    4. 4.Certified with a Hazardous Chemical Business License and ISO certification, ensuring smooth customs clearance.
    5. 5.6 packaging options with customizable logos to minimize product loss during transportation.
    6. 6.Over 400 chemical SKUs available for one-stop procurement, helping you reduce sourcing costs.

    Please share your purchase volume, target market, and other requirements, and we will tailor a customized solution for you!
    ECHEMI Editorial Reference
    White powder
    DryPowder; Liquid; OtherSolid; PelletsLargeCrystals|Odourless, colourless crystals or white granular or crystalline powder|COLOURLESS CRYSTALS OR WHITE CRYSTALLINE POWDER.
    Potassium dihydrogen phosphate is a potassium salt in which dihydrogen phosphate(1-) is the counterion. It has a role as a fertilizer. It is a potassium salt and an inorganic phosphate.|Monopotassium phosphate, MKP, (also potassium dihydrogenphosphate, KDP, or monobasic potassium phosphate), KH2PO4, is a soluble salt of potassium and the dihydrogen phosphate ion. It is a source of phosphorus and potassium as well as a buffering agent. It can be used in fertilizer mixtures to reduce escape of ammonia by keeping pH low.

    Basic Info
    Product Name:

    Monopotassium phosphate

    Other Name:

    Phosphoric acid,potassium salt (1:1);Phosphoric acid,monopotassium salt;Monopotassium phosphate;Potassium acid phosphate;Potassium biphosphate;Potassium dihydrogen phosphate;Sorensen's potassium phosphate;Monopotassium orthophosphate;Potassium phosphate (K(H2PO4));Potassium dihydrogen phosphate (KH2PO4);KDP;Monobasic potassium phosphate;Monopotassium dihydrogen phosphate;Dihydrogen potassium phosphate;Potassium dihydrogen orthophosphate;Potassium hydrogen phosphate (KH2PO4);Potassium diphosphate;Potassium monobasic phosphate (KH2PO4);Potassium phosphate monobasic;Nutri-Vant-PeaK;Monopotassium dihydrogen orthophosphate;MKP;Hydrogen potassium phosphate (H2KPO4);943540-09-8;1364712-44-6;2133444-20-7;2364332-00-1;2484993-14-6

    CAS No.:

    7778-77-0

    Molecular Formula:

    H3O4P.K

    InChIKeys:

    InChIKey=PJNZPQUBCPKICU-UHFFFAOYSA-N

    Molecular Weight:

    136.09

    Exact Mass:

    135.932770

    EC Number:

    231-913-4

    UNII:

    4J9FJ0HL51

    ICSC Number:

    1608

    DSSTox ID:

    DTXSID0035667

    Color/Form:

    Colorless crystals or white granular powder|White tetragonal crystals

    HScode:

    28352400

    Categories:

    Inorganic Salts

    Characteristics
    PSA:

    80.6

    XLogP3:

    -0.49040

    Appearance:

    White transparent powder

    Density:

    2.34 g/cm3

    Melting Point:

    253 °C

    Boiling Point:

    158ºC at 760 mmHg

    Refractive Index:

    Index of refraction: 1.5093, 1.4682, both at 589 nm

    Water Solubility:

    H2O: 222 g/L (20 ºC)

    Storage Conditions:

    Store at RT.

    Toxicity:

    LD50 skin in rabbit: > 4640mg/kg

    Odor:

    Odorless

    PH:

    Between 4,2 and 4,8 (1 % solution)

    Experimental Properties:

    Permanent in air. At 400 °C loses water, forming metaphosphate|pH = 4.5 (1% aqueous solution). Forms ferroelectric crystals (Critical temperature = -151 °C)|At ordinary temperatures, monopotassium phosphate is so far above its Curie point as to give piezoelectric effects in which the emf is proportional to the distorting force. There is virtually no hysteresis.|Curie point: 123 K; Spontaneous polarization: 4.7 uC/cu cm at 110 K

    Critical Temperature & Pressure:

    Critical temperature = -151 °C

    Hazard Identification

    Classification of the substance or mixture

    Not classified.

    GHS label elements, including precautionary statements

    Pictogram(s) No symbol.
    Signal word

    No signal word

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    none

    Response

    none

    Storage

    none

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Separated from strong bases.Store at 20 to 25 deg C (68 to 77 deg F); excursions permitted to 15 to 30 deg C (59 to 86 deg F).

  • Seller Information
    Business Type:

    Distributor

    Main Products:

    aryl or toluenesulfonic acid,Alkyl,hydrazine content,Ammonium bifluoride,Ammonia,Methanol

    Location:

    Room A415, No.28 Xianglian Li, Siming District, Xiamen City

    Payment Terms:

    TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    20

    Total Annual Revenue:

    $2.5 million-$5 million

    Total Employees:

    5-10

    Year of Establishment:

    2010

    Certifications:

    Filing Certificate for the Operation of Non-pharmaceutical Precursor Chemicals,Hazardous Chemicals Business License

  • Inquiry History
    35 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    Monophosphate de potassium

    1400.00 KG Oct 25, 2024
    Poland

    Monopotassium Phosphate

    480 TON Apr 10, 2025
    Canada

    Monopotassium Phosphate

    70000 MT Aug 26, 2026
    South Korea

    Potassium Dihydrogen Phosphate 98%

    10 MT Aug 14, 2026
    Brazil

    Mono Potassium Phosphate

    15 MT Dec 5, 2025
    United States

    MKP

    1 KG Aug 20, 2025
    India

    Monopotassium phosphate (KH2PO4)

    500.00 G Jul 8, 2025
    India

    Mono Potassium Phosphate

    24 TON Jun 6, 2025
    Pakistan

    Dap 18: 46

    1000 TON Mar 31, 2025
    United States

    Mono Potassium Phosphate

    12 MT Mar 5, 2025
    Singapore

    Potassium phosphate monobasic

    500 MT Jan 16, 2025
    Colombia

    Monopotassium Phosphate (MKP)

    52 TON Oct 25, 2024
    India

    Potassium phosphate monobasic USP/BP

    1.00 KG Sep 19, 2024
    Egypt

    Potassium Di-hydrogen Phosphate

    1.00 TON Aug 7, 2024
    Egypt

    mono potassium phosphate

    2 20' Fcl Mar 19, 2024
    India

    Mono potassium Phosphate

    30 TON Jan 24, 2024
    Argentina

    Monopotasium Pjosfite

    5 MT Jan 11, 2024
    France

    Monopotassium Phosphate 99%

    50000 MT Sep 13, 2023
    India

    Monopotassium Phosphate

    1 20' Fcl Sep 28, 2025
    Italy

    MKP 0-52-34

    25 MT Aug 27, 2025
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