Industrial Ammonium Sulfate H8N2O4S 99.5% White Crystals for Fertilizer Material Qualification
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ColorWhitePhysical formCrystalline
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CAS No.7783-20-2Purity99.5%
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AppearanceWhite crystalApplicationfertilizer
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ClassificationSulphateEINECS No.231-984-1
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Grade StandardIndustrial GradeMolecular FormulaH8N2O4S
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Other NamesactamasterTypeAmmonium Sulphate
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Product nameAmmonium SulphateMelting point>280 °C (dec.) (lit.)
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density1.77 g/mL at 25 °C (lit.)vapor pressure<1 Pa (25 °C)
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Fp26 °CGradeindustrial grade
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ColorWhite ColorEINECS231-984-1
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CAS7783-20-2Usagefertilizer
A fertilizer material enquiry should compare the actual salt grade with accepted chemical and crystal requirements. This industrial ammonium sulfate, also spelled ammonium sulphate, is identified as H8N2O4S and described as white crystals with stated purity 99.5%.
Set the actual fertilizer material acceptance limits
Request current assay, moisture and the individual impurities relevant to the project. A purity figure and industrial designation provide starting information, while a complete fertilizer-grade decision needs the measurements required by the buyer’s particular material specification.
Read literature properties with their qualifiers intact
The stated literature thermal descriptor is decomposition above 280°C, rather than a process operating instruction. Literature density is 1.77g/mL at 25°C and vapor pressure is reported below 1Pa at 25°C, with methods and scope to confirm; these are not bulk-density or agricultural-rate specifications.
- What should the grade record contain?
- Current analysis and the chemical and crystal measurements needed for acceptance.
- What should the use record contain?
- The intended fertilizer requirements and relevant qualification evidence for the actual offered material.
Require current safety and use documentation
Ask for actual-grade safety and technical information alongside appropriate sample evidence. General material descriptors should not be converted into handling instructions, crop-performance promises or a quantitative quality advantage without the corresponding current evidence.
Identify the salt and requested grade limits clearly in the enquiry so the comparison answers a concrete fertilizer-material question. Acceptance should rest on current analytical records and relevant qualification, with any application rate or process requirement assessed in its own actual context.
