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Zinc Sulfate Heptahydrate (CAS 7446-20-0) serves as a vital component in the high purity fine chemicals sector, where North American agricultural blenders utilize its exceptional aqueous solubility for precision fertigation and foliar spray formulations designed to correct widespread micronutrient deficiencies. Zinc vitriol has seen an uptick in demand from procurement professionals looking for a reliable bulk chemical supplier in the United States, driven by stricter environmental mandates regarding heavy-metal wastewater caps and a strategic domestic sourcing shift away from volatile overseas supply chains. Sulfuric acid zinc salt (1:1) heptahydrate remains an essential building block for custom synthesis services, supporting diverse applications across the pharmaceutical formulary for immunity therapies and water treatment infrastructures requiring rapid crystallization kinetics for moss and algae management. As an established Zinc Sulphate Heptahydrate (Zn-21%) supplier with Zinc Sulphate Heptahydrate (Zn-21%) >= 99% purity in the united states of america, we ensure dependable supply, consistent quality, and complete regulatory documentation, including Zinc Sulphate Heptahydrate (Zn-21%) CoA and TDS across all grades. Beyond supply, we support partners through the entire product lifecycle from route scouting, process and formulation development, and analytical method development to scale-up, process optimisation, and pilot-to-commercial manufacturing. Our teams also assist with GMP-compliant quality assurance, regulatory documentation, and nationwide supply chain capabilities and logsitics coordination on all the 50 united states
Zinc Sulfate Heptahydrate (CAS 7446-20-0) serves as a vital component in the high purity fine chemicals sector, where North American agricultural blenders utilize its exceptional aqueous solubility for precision fertigation and foliar spray formulations designed to correct widespread micronutrient deficiencies. Zinc vitriol has seen an uptick in demand from procurement professionals looking for a reliable bulk chemical supplier in the United States, driven by stricter environmental mandates regarding heavy-metal wastewater caps and a strategic domestic sourcing shift away from volatile overseas supply chains. Sulfuric acid zinc salt (1:1) heptahydrate remains an essential building block for ...
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Agrochemicals
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Plant Health, Nutrients & Soil Management
Fertilizers & Nutrients
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Chemical Properties & Specifications
H302 (85.5%): Acute toxicity, oral
H315 (14.3%): Skin corrosion/irritation
H318 (85.7%): Serious eye damage/eye irritation
H319 (14.3%): Serious eye damage/eye irritation
H335 (14%): Specific target organ toxicity, single exposure; Respiratory tract irritation
H400 (85%): Hazardous to the aquatic environment, acute hazard
H410 (85.5%): Hazardous to the aquatic environment, long-term hazard
P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501
Correcting Zinc deficiency in crops globally, often applied via soil broadcasting (Monohydrate) or foliar spray (Heptahydrate)
Nutritional supplement to ensure adequate Zinc intake in livestock and poultry
Used as a depressant in the flotation separation of lead/zinc ores to prevent Sphalerite (Zinc sulfide) from floating
Production of Lithopone (a white pigment), in the rayon industry, and as a raw material for other Zinc compounds
Stable
With strong oxidizing agents
Protect from moisture
Monohydrate is more cost-effective. While the initial price per kg might be higher, it contains ~ 35% Zn compared to ~ 22% in Heptahydrate. This results in lower transportation and handling costs per unit of active Zinc, which is preferred by bulk blenders.
Primary difference is dissolution rate. Heptahydrate (7446-20-0) is more soluble and dissolves faster, making it ideal for immediate foliar spray uptake. Monohydrate (7446-19-7) is preferred for long-term soil application due to its stability and higher elemental concentration.
For feed grade, purity is paramount. Buyers check for very low levels of heavy metals, especially Lead (Pb), Cadmium (Cd), and Arsenic (As). Product must meet national feed additive standards to ensure animal safety, as the Zinc is continuously consumed.
Mining industry (Metallurgy Chemicals), Zinc Sulphate is used to selectively depress the flotation of Sphalerite (ZnS) when separating it from other minerals like Galena (PbS). It works by modifying the Sphalerite surface chemistry, preventing collector molecules from attaching.
Yes, but it's challenging. While the Monohydrate has a high Zn concentration, it is often more difficult to dissolve than the Heptahydrate and requires careful mixing and heating to produce a stable liquid concentrate without crystallisation issues. For ease of mixing, the Heptahydrate is usually chosen.
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