Description

Potassium Ammonium Sulfate is a high-purity, water-soluble inorganic salt that serves as a dual-source nutrient. This compound is valued for its ability to deliver both potassium and nitrogen in a readily available form, making it a critical component in specialized agricultural and industrial formulations. Key industries that utilize this material include high-value agriculture, specialty fertilizers, and analytical chemistry.

Application

• Specialty Fertilizers: Used as a premium, chloride-free source of potassium (K) and nitrogen (N) for sensitive crops, hydroponic systems, and fertigation.
• Analytical Reagent: Serves as a standard or reagent in laboratory analysis and quality control processes.
• Pharmaceutical Intermediates: Employed in the synthesis of certain pharmaceutical compounds and as a mineral supplement precursor.
• Industrial Processes: Acts as a catalyst or processing aid in specific chemical manufacturing and textile treatments.
• Fire Retardant Formulations: Incorporated into certain flame-retardant compositions for materials like wood and textiles.
• Electroplating Solutions: Used in specific electroplating baths and surface treatment processes.

Basic Information

Product Name	Potassium Ammonium Sulfate
CAS No.	23208-79-9
Molecular Formula	KNH4SO4 or K(NH4)SO4
Molecular Weight	153.19 g/mol
Synonyms	Ammonium Potassium Sulfate; Potassium Ammonium Sulphate; Sulfuric Acid, Ammonium Potassium Salt; Ammonium Potassium Sulphate; Ammonium Potassium Sulfate (1:1:1); Monoammonium Monopotassium Sulfate; KNH4SO4
EINECS	245-440-1

Quality Control

Our Potassium Ammonium Sulfate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, composition, and physical properties. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture and caking.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (KNH4SO4)	≥ 98.0 %
pH (5% solution)	5.0 - 7.0
Water Insolubles	≤ 0.1 %
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.