Material Safety Data Sheet for Copper(II) Sulfate Anhydrous

Identification

Product Name: Copper(II) Sulfate Anhydrous
Chemical Formula: CuSO₄
CAS Number: 7758-98-7
Synonyms: Bluestone, Blue Vitriol, Cupric Sulfate Anhydrous
Recommended Use: Laboratory reagent, agriculture, electroplating, pigment, fungicide
Supplier: Consult your specific supplier information
Emergency Contact: Refer to national poison control center or emergency hotlines

Hazard Identification

Hazard Classification: Acute Toxicity (Oral), Acute Toxicity (Dermal), Skin Irritation, Eye Irritation, Aquatic Acute Hazard
Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes skin and eye irritation, very toxic to aquatic life
Pictograms: Exclamation mark, Environmental hazard
Precautionary Statements: Wash hands thoroughly, avoid release to the environment, wear protective gloves and eye protection

Composition / Information on Ingredients

Substance: Copper(II) Sulfate Anhydrous
Chemical Formula: CuSO₄
Concentration: 100%
CAS Number: 7758-98-7
Impurities: No significant impurities expected to affect classification

First Aid Measures

Inhalation: Move person to fresh air, monitor breathing, seek medical attention for persistent symptoms
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water for at least 15 minutes, seek medical advice for irritation
Eye Contact: Rinse cautiously under running water for at least 15 minutes, remove contact lenses if present, seek medical assistance
Ingestion: Rinse mouth without inducing vomiting, provide immediate water if conscious, seek emergency medical service
Most Important Symptoms: Gastrointestinal distress, vomiting, diarrhea, blue-green staining, eye or skin irritation

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, foam, dry chemical, CO₂
Unsuitable Extinguishing Media: None known
Hazardous Combustion Products: Sulfur oxides, copper oxides
Special Protective Equipment for Fire-Fighters: Full protective clothing, self-contained breathing apparatus
Specific Hazards from the Chemical: May emit toxic fumes under fire; heat may generate hazardous decomposition products

Accidental Release Measures

Personal Precautions: Wear suitable gloves, protective eyewear, and avoid breathing dust
Environmental Precautions: Prevent further leakage or spillage, keep out of drains, surface waters and soil
Methods for Containment: Sweep up and collect spilled material to prevent dust generation
Methods for Cleaning Up: Place in suitable, closed containers for disposal, ventilate area, wash spill residue with plenty of water

Handling and Storage

Handling: Avoid contact with skin, eyes, and clothing, do not breathe dust, wash hands after handling
Storage Conditions: Store in closed, labelled containers in a cool, dry, well-ventilated place
Incompatible Materials: Strong acids, strong bases, reducing agents, powdered metals
Specific End Uses: Laboratory, industrial, and agricultural applications, do not store near foods or beverages

Exposure Controls and Personal Protection

Occupational Exposure Limits: ACGIH TLV for copper dust/mist 1 mg/m³, OSHA PEL 1 mg/m³
Engineering Controls: Use with local exhaust ventilation or in a chemical fume hood
Personal Protection: Chemical-resistant gloves, protective eyewear, laboratory coat, respiratory protection when ventilation inadequate
Hygiene Measures: Wash hands, forearms, and face thoroughly after handling, remove and wash contaminated clothing

Physical and Chemical Properties

Appearance: Greyish-white or faintly blue crystalline powder
Odor: Odorless
Odor Threshold: Not determined
pH: 4.0 (50 g/L water)
Melting Point: 200°C (decomposition)
Boiling Point: Decomposes prior to boiling
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not combustible
Vapor Pressure: Negligible
Vapor Density: Not applicable
Solubility: Soluble in water, insoluble in alcohol
Partition Coefficient (n-octanol/water): Not determined
Decomposition Temperature: Above 200°C
Auto-ignition Temperature: Not applicable
Viscosity: Not applicable

Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts with strong acids and strong bases, produces toxic fumes
Hazardous Reactions: Reacts vigorously with magnesium and other reactive metals
Conditions to Avoid: Exposure to moisture, heat, incompatible materials
Incompatible Materials: Strong acids, strong bases, reducing agents, finely powdered metals
Hazardous Decomposition Products: Sulfur oxides, copper oxides

Toxicological Information

Acute Toxicity: Oral LD₅₀ (rat): 300 mg/kg; Dermal LD₅₀ (rabbit): >2000 mg/kg
Inhalation: Irritating to respiratory tract
Skin Corrosion/Irritation: Causes skin irritation, may cause allergic reaction in sensitive individuals
Serious Eye Damage/Irritation: Causes serious eye irritation
Chronic Effects: Prolonged exposure may affect liver and kidneys, anemia possible
Carcinogenicity: Not classified as carcinogenic to humans by IARC, NTP, or OSHA
Other Information: May cause methemoglobinemia, hemolysis, gastrointestinal upsets if ingested in quantities

Ecological Information

Ecotoxicity: Very toxic to aquatic organisms (LC₅₀ (fish): 0.1-2 mg/L)
Persistence and Degradability: Inorganic compound, non-biodegradable, persists in environment
Bioaccumulation Potential: Bioaccumulation occurs in aquatic species and plants
Mobility in Soil: Moderately mobile in soils, may leach into groundwater
Other Adverse Effects: May disrupt aquatic ecosystems, toxic to soil microfauna at elevated concentrations

Disposal Considerations

Waste Treatment Methods: Dispose in accordance with local, national, and international regulations
Packaging Disposal: Use approved, labelled hazardous waste containers
Special Precautions: Prevent leaching into groundwater, do not discharge into drains or watercourses
Recommended Disposal Methods: Chemical incineration, precipitation and stabilization for landfill, licensed hazardous waste contractor

Transport Information

UN Number: UN3077
UN Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (contains copper(II) sulfate)
Transport Hazard Class: 9
Packing Group: III
Marine Pollutant: Yes
Special Precautions for Transport: Protect from moisture, avoid physical damage, label accordingly under IMDG, IATA, ADR regulations

Regulatory Information

U.S. TSCA Status: Listed
OSHA: Hazardous by definition
SARA Title III: Section 313 listed (Copper compounds)
CERCLA Reportable Quantity: 10 lbs
REACH Status (EU): Registered
Other Regulations: Subject to local and international regulations concerning environment, worker safety, transportation, and disposal