Renisco KCS 68
Renisco KCS 68 is a clay-coated, controlled-release potassium sulfate fertilizer granule containing approximately 68% K₂O equivalent. The clay coating regulates potassium release, aligning nutrient availability with plant uptake over an extended period. This minimizes leaching and enhances nutrient-use efficiency. Renisco KCS 68 is widely used in horticulture, agriculture, turf management, and specialty crop production.
Primary Uses
Agriculture & Field Crops
Provides essential potassium supply for crops like corn, wheat, soybeans, and cotton.
Enhances plant stress resistance, improved yield, and quality.
Reduces soil salinity impact by replacing chloride-based potassium sources.
Horticulture & Specialty Crops
Used in fruit trees (citrus, apple, stone fruits), grapes, berries, and vegetables.
Promotes fruit size, flavor, sugar content, and shelf life.
Applied in sustained-release programs for consistent nutrient delivery.
Turf & Ornamental Plantings
Used in golf course greens, sports fields, and ornamental landscapes.
Supports turf strength, drought tolerance, and uniform color.
Ideal for slow-release fertilization to reduce burn risk and runoff.
Secondary Uses
Controlled-Release Nursery Media
Incorporated in potting soils and nursery mixes to provide prolonged potassium supply.
Reduces frequency of nutrient application in containers.
Greenhouse Production
Used in greenhouse bedding plants and container-grown ornamentals where consistent nutrient release is desirable.
Golf Course & Landscaping Projects
Applied in maintenance of EMBANKMENTS and MITIGATION plantings requiring slow-release nutrition.
Basic Identification Attributes
Chemical Name (IUPAC): Potassium sulfate
Common/Trade Name: Renisco KCS 68
CAS Number: 7778-80-5
HS Code: 3104.20.10
Synonyms: Controlled-release K₂SO₄; Clay-coated potassium fertilizer
Physical & Chemical Properties
Physical State: Solid granules (~2–4 mm diameter)
Color & Odor: Off-white to tan (clay coated); odorless
K₂O Equivalent: ~68%
Solubility: Moderately soluble in water; release rate controlled by coating
Bulk Density: Typically 1.0–1.2 g/cm³
pH: Neutral to slightly alkaline
Safety & Hazard Attributes
GHS Classification: Not classified as hazardous
Toxicity: Low; non-toxic to humans under normal handling
Exposure Limits: No specific occupational exposure limits
Storage & Handling Attributes
Storage Conditions: Store in a dry, cool, well-ventilated area away from moisture
Container Type: 25 kg paper-lined bags or bulk tote sacks
Shelf Life: Up to 3 years if stored under recommended conditions
Handling Precautions: Minimize dust; avoid moisture ingress and contamination
Regulatory & Compliance Attributes
Meets fertilizer regulations including EU, US NPK labeling requirements
Manufactured under ISO-certified facilities
Suitable for organic-certified operations if clay and production methods comply
Environmental & Health Impact
Biodegradability: Inorganic mineral; inert in soil environment
Ecotoxicity: Low; improves soil structure and plant nutrient efficiency
Bioaccumulation: Not applicable
Runoff Risk: Reduced compared to soluble potassium salts
PPE Required: Gloves, dust mask, and eye protection when handling bulk
Handling Guidelines: Use ventilation to control dust; avoid contact with open wounds
Storage Measures: Keep containers tightly closed and stored in a dry environment away from humidity
First Aid Measures
Inhalation: Move to fresh air; seek medical attention if coughing or discomfort occurs
Skin Contact: Wash with soap and water; seek medical advice if irritation develops
Eye Contact: Rinse immediately with water for at least 15 minutes; get medical attention if irritation persists
Ingestion: Rinse mouth; unlikely to cause serious effect; consult medical professional if ingested in large amounts
Firefighting Measures
Fire Hazards: Non-flammable
Extinguishing Media: Use water spray or standard extinguishers if surrounding materials are on fire
Special Precautions: Use protective gear to avoid dust exposure
Hazardous Combustion Products: None from the fertilizer itself