Liquid Ferric Chloride (FeCl₃) Description

1. Physical Properties

• AppearanceDark brown to black transparent liquid
• OdorPungent odor
• Specific Gravity1.4 - 1.5 (at 20°C)
• pH Value1.5 - 3.0 (at 20°C, 10% aqueous solution)

2. Chemical Properties

• Chemical FormulaFeCl₃
• Molecular Weight162.2 g/mol
• SolubilityEasily soluble in water, soluble in ethanol and ether
• Melting PointNot applicable (liquid at room temperature)
• Boiling Point:Not applicable (solution)

3. Main Components

• Ferric Chloride (FeCl₃) Content35% - 45%
• Water Content55% - 65%
• Free Acid (as HCl)≤0.5%

4. Major Uses

• Water TreatmentUsed as a coagulant to remove suspended solids and organic matter
• Printed Circuit Board (PCB) ManufacturingUsed for etching copper circuits
• Industrial Wastewater TreatmentUsed to precipitate and remove phosphates and heavy metal ions
• Metallurgical IndustryUsed to prepare iron-based catalysts and other iron compounds
• Dye IndustryUsed as a mordant

5. Safety and Storage

• StorageStore in a cool, dry, and well-ventilated area, away from direct sunlight. Keep containers tightly sealed to avoid moisture.
• Safety MeasuresWear appropriate protective equipment such as gloves, safety goggles, and protective clothing when handling. Avoid inhaling vapors or mist. In case of skin or eye contact, rinse immediately with plenty of water and seek medical attention.

6. Environmental Impact

• Environmental HazardToxic to aquatic organisms; avoid large-scale discharge into water bodies.
• Disposal MeasuresWaste solution should be treated before discharge, following local environmental regulations.

These specifications and descriptions are for reference. For more specific technical specifications or detailed Safety Data Sheets (SDS), it is recommended to contact the relevant suppliers or manufacturers.