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Substance Name: Palladium(II) Chloride
Chemical Formula: PdCl2
Common Uses: Chemical research, catalyst in organic synthesis, electroplating, laboratory reagent
Appearance: Reddish-brown crystalline or powdery solid
Odor: Odorless
Solubility: Slightly dissolves in water, easily in hydrochloric acid and ammonia
Molecular Weight: 177.33 g/mol
Main Hazards: Harmful if swallowed, toxic in contact with skin, can cause eye, skin, and respiratory irritation
Acute Symptoms: Sore throat, coughing, skin redness, pain in contact area, possible allergic reactions
Chronic Risks: Prolonged or repeated exposure causes sensitization, risk of asthma-like symptoms, and dermatitis
NFPA Ratings: Health – 2, Flammability – 0, Reactivity – 1
Environmental Hazards: Very toxic to aquatic life, persistent environmental threat if spilled
Chemical: Palladium(II) Chloride
CAS Number: 7647-10-1
Concentration Range: Pure substance, usually above 99% in laboratory and industrial use
Inhalation: Move outside to fresh air at once, support breathing if effects appear, get medical help if symptoms last
Skin Contact: Rinse with plenty of water, remove contaminated clothing, avoid scrubbing hard, seek medical care for irritation
Eye Contact: Flush eyes under running water for at least 15 minutes, lift eyelids several times, call a doctor right away
Ingestion: Rinse mouth, do not induce vomiting, get medical advice if feeling unwell, monitor breathing and alertness
Flammability: Not flammable under normal conditions but may release toxic vapors if heated
Suitable Extinguishing Tools: Use water spray, dry chemical, foam, or carbon dioxide for surrounding fires
Hazardous Combustion Products: May produce hydrogen chloride and palladium fumes
Special Protective Equipment: Wear self-contained breathing apparatus, full protective gear
Other Advice: Keep run-off from entering drains and waterways
Personal Protection: Wear gloves, goggles, and dust mask before cleaning
Spill Clean-Up: Sweep up, avoid raising dust; shovel into a labeled container; ventilate area
Precaution for Environment: Take strong steps to keep out of soil, sewers, water courses
Disposal: Collect all waste for safe disposal according to regional requirements
Safe Handling: Work in ventilated locations; never handle without protective gloves, goggles, and lab coat
Hygiene Steps: Wash hands well after handling, do not eat, drink, or smoke while in use
Storage Instructions: Store in tightly closed containers in cool, dry area; separate from acids, alkalis, and food supplies
Stability Risks: Keep away from sources of moisture, heat, and incompatible chemicals
Control Parameters: No occupational exposure limits set by OSHA or ACGIH
Engineering Controls: Use fume hoods or local exhaust when there is risk of dust or inhalation
Personal Protection: Wear nitrile or rubber gloves, body covering, safety goggles, and dust mask or respirator
Environmental Controls: Keep emissions to air, water, and soil as low as possible by following safe waste protocols
Physical State: Solid crystalline or powder
Color: Reddish-brown
Melting Point: Decomposes before melting, around 678 °C
Boiling Point: Decomposes
Vapor Pressure: Negligible at room temperature
Solubility: Very low in water, reacts with acids
Odor Threshold: No characteristic odor
Density: About 4.0 g/cm³ at 20°C
pH: Slightly acidic solution
Chemical Stability: Stable under recommended storage and use conditions
Incompatible Materials: Strong acids, strong reducing agents, bases
Decomposition Risks: May break down giving off chlorine or palladium oxides on strong heating
Hazardous Reactions: Avoid contact with ammonia, reducing agents, combustible materials
Acute Toxicity: Toxic by inhalation, ingestion, and skin absorption
Irritation: Causes eye and skin irritation; may cause respiratory tract discomfort
Sensitization: Can trigger allergic skin and respiratory reactions with repeated exposure
Chronic Effects: Evidence points to potential for asthma, contact dermatitis, and other immune responses in sensitive individuals
Carcinogenicity: Not listed as carcinogenic; research on long-term effects limited
Ecotoxicity: Highly toxic to aquatic organisms; disrupts aquatic food chains; potential for long-term effects
Persistence: Tends to remain in soil and water for extended periods
Bioaccumulation: May concentrate in aquatic species, posing risk to higher life forms
Other Hazards: Environmental risk grows with improper disposal or accidental releases
Waste Disposal: Collect waste in sealed containers, send to licensed hazardous waste handler
Incineration: Only in facilities equipped to handle heavy metal emissions
Prevention of Release: Keep waste segregated from regular trash and prevent leaching into drains or soil
Disposal by Law: All disposal actions must follow local, regional, and national environmental regulations
UN Number: UN 3283
Transport Hazard Class: 6.1, Poisonous substance
Packing Group: III
Transport Regulations: Shipping falls under international and local guidelines for toxic chemicals; packaging and labeling must indicate toxic nature and proper handling
Additional Steps: Secure transport, inspect packaging for leaks before movement
Status: Regulated as a hazardous substance for workplace and environmental safety
Global Inventory: Listed on several international chemical inventories including European and North American lists
Labeling Rules: Requires hazard pictograms: toxic, irritant, environmental hazard
Other Guidelines: Handling, storage, and disposal must follow strict rules for toxic chemicals across health and environmental agencies
