Key Properties:

• Concentration: 0.025 M (M/40)

• pH: Neutral to slightly acidic (~6–7) depending on water source

• Highly soluble in water

• Stable under proper storage conditions

• Standardized for accurate titrations

Uses:

• Standard solution for EDTA titrations (calcium determination)

• Hardness testing of water

• Laboratory analytical procedures requiring precise calcium content

• Quality control in industrial and research labs

Storage:

• Store in tightly closed containers

• Keep in a cool, dry place

• Avoid contamination

Safety & Handling (SDS Summary):

• Avoid ingestion, inhalation, or contact with eyes/skin

• Wear PPE: gloves, lab coat, safety goggles

• Handle in a well-ventilated area

• Wash hands thoroughly after handling

• Non-flammable, but corrosive to some metals at high concentrations