Zinc Sulphate Heptahydrate 21.5% & 22%

Short Description:

  • Classification: Micro Element
  • Name: Zinc Sulphate Heptahydrate
  • CAS No.: 7446-20-0
  • Other Name: Zinc Sulfate Heptahydrate
  • MF: ZnSO4.7H2O
  • EINECS No.: 231-793-3
  • Place of Origin: Tianjin, China
  • State: Crystal
  • Brand Name: Solinc
  • Application: fertilizer, industrial, feed
  • Product Detail

    Detail Specification


    ZnSO4.H2O Powder

    ZnSO4.H2O Granular



    White Powder

    White Granular

    White Crystal









    5ppm max


    10ppm max


    10ppm max

    PH Value




    1-2mm 2-4mm 2-5mm


    Zinc Sulphate Heptahydrate Application

    Zinc sulfate heptahydrate (ZnSO4·7H2O) is usually used as one of the trace element fertilizers to supplement the demand of plants for zinc. The following are the main uses of zinc sulfate heptahydrate in chemical fertilizers:
    1.Zinc supplementation: Plants generally have a low demand for zinc, but it is one of the key elements for plant growth and development. Zinc participates in various physiological processes of plants, including plant growth, photosynthesis, fruit development, etc. By adding zinc sulfate heptahydrate to chemical fertilizers, it can provide the proper amount of zinc needed by plants, promote the healthy growth of plants, increase yield and improve quality.
    2.Prevention and treatment of zinc deficiency: Some soils have low zinc content, or there are other factors that prevent plants from fully absorbing zinc, which may cause plant zinc deficiency. In this case, the use of fertilizers containing zinc sulfate heptahydrate can replenish zinc in the soil in time, effectively preventing and treating zinc deficiency in plants.
    3.Soil improvement: Zinc has a certain soil improvement effect, which can promote the decomposition of organic matter and the release of minerals in the soil, and provide the nutrients needed by plants. In some cases, soil quality can be improved by adding fertilizers containing zinc sulfate heptahydrate, increasing soil fertility and water retention capacity.

    NOTE: It should be noted that the use of zinc sulfate heptahydrate in chemical fertilizers should determine the appropriate application amount and application method according to specific crops and soil conditions. It is recommended to follow proper fertilization guidelines based on soil test results and plant zinc requirements to avoid over or under application.

    Selling Points

    1. Supply Zinc Sulphate Hepta 0.1-1mm and 1-3mm crysal.
    2. No Caking for Zinc Sulphate Hepta 1-3mm.
    3. Supply OEM bag and our Brand Bag.
    4. Rich experience in container and BreakBulk Vessel Operation.

    Supply Ability

    10000 Metric Ton per Month

    Third party inspection report

    third inspection certificate zinc sulphate heptahydfrate 21.5

    Factory & Warehouse

    Factory&Warehouse   calcium nitrate tetrahydrate solinc fertilizer

    Company Certification

    Company Certification    calcium nitrate granular CAN  solinc fertilizer

    Exhibition & Conference Photos

    Exhibition&Conference Photoes   calcium salt  producer solinc fertilizer


    1. What are your prices ?
    The price is determined by the packaging, quantity, and destination port you require; We can also choose between container and bulk vessel to reduce costs for our customers. So, before quoting, please advise these information.

    2. What is your minimum order quantity ?
    Our minimum order is one container.

    3. What is the average lead time ?
    The delivery time is related to what quantity and packaging you need.

    4. What kinds of payment methods do you accept ?
    T/T and LC at sight, we also support other payment according to difference market require.

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