Water-Soluble MAP Ammonium Dihydrogen Phosphate 98% Min White Crystals, CAS 7722-76-1, for Fertilizer Trials
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ColorWhitePhysical formCrystalline
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CAS No.7722-76-1Purity98%min
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Appearancewhite crystal, white crystalApplicationgranular fertilizer
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ClassificationPhosphateEINECS No.231-764-5
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Grade StandardAgriculture Grade, Industrial GradeMolecular FormulaH6NO4P
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Other NamesAmmonium Hydrogen Monohydric PhosphateTypeAmmonium dihydrogen phosphate
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Product NameAmmonium dihydrogen phosphateMelting point190 °C (dec.) (lit.)
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Boiling point87.4 °Cdensity1.02 g/mL at 20 °C
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CAS7722-76-1Brand NameRelia
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GradeIndusturial GradePackage25kg/bag
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HS code31054000.00
A fertilizer-material enquiry should distinguish the actual phosphate crystal grade from the intended formulation use. Relia ammonium dihydrogen phosphate, described as MAP with formula H6NO4P, is an industrial white-crystal material with 98% minimum purity.
Identify the crystal grade and current analysis
Request assay and the individual impurities relevant to the project, with reports identifying the actual offered material. The precise ammonium-dihydrogen-phosphate identity should remain clear throughout the comparison rather than be replaced by a different phosphate salt or an assumed nutrient specification.
Define how water solubility will be assessed
Ask for a dissolution result with stated water conditions, concentration and endpoint. A water-soluble description does not quantify complete dissolution under every condition, so the actual sample should be compared with the project’s agreed solution requirements.
- Supplied material
- White crystals with current assay, impurity and relevant physical measurements to confirm.
- Application direction
- Granular fertilizer is the stated use, rather than proof that granules are the supplied form.
Keep fertilizer qualification tied to the actual material
Define the intended fertilizer-material duty and accepted trial measurements. The stated literature decomposition descriptor is 190°C, which does not supply a processing setting, nutrient percentage or crop application rate.
Request current technical and safety information and appropriate sample evidence for the Relia grade. Keep the phosphate identity, crystal analysis and dissolution record alongside the relevant fertilizer trial so acceptance follows the project’s actual requirements without an assumed release profile or agricultural performance result.
