Potassium Dihydrogen Orthophosphate, Extra Pure, SLR

Fisher Chemical™ Potassium Dihydrogen Orthophosphate, Extra Pure SLR

Application

High-purity buffer component for analytical chemistry, biochemistry, and molecular biology. Ideal for preparing phosphate buffer solutions, cell culture media, and HPLC mobile phases.

Product Details

• Product Code: 10756491
• CAS: 7778-77-0
• Grade: SLR (Suitable for Laboratory Reagents)
• Packaging: Poly bottle (1 kg, 2.5 kg, or 10 kg options – verify size at order)

Key Features

• High assay: ≥99.0% purity for reproducible analytical results
• Low heavy metals: ≤0.001% (meets SLR specifications)
• Low chloride and sulfate: ≤0.005% to minimize interference in sensitive assays
• Excellent solubility: Readily dissolves in water for rapid buffer preparation
• Batch-tested: Consistent quality for regulated laboratory environments

Specifications

• Molecular Formula: KH₂PO₄
• Molecular Weight: 136.09 g/mol
• Appearance: White crystalline powder
• pH (5% solution): 4.2–4.7
• Solubility: 22.6 g/100 mL (20°C, water)

Safety & Handling

• Hazard Statements: Not classified as hazardous under GHS
• Precautions: Avoid inhalation of dust; wear protective gloves and eye protection
• First Aid: Rinse eyes/skin with water if exposed; seek medical attention if irritation develops
• Storage: Store tightly closed in a dry, cool place