Product Name: Copper(II) Methanesulfonate
Chemical Formula: Cu(CH3SO3)2
Other Names: Methanesulfonic acid copper(II) salt, Copper bis(methanesulfonate)
Recommended Use: Electroplating, catalyst, laboratory reagent
Supplier Information: Name, address, emergency phone
CAS Number: 13399-24-1
EC Number: 236-634-1
Classification: Acute toxicity (oral, dermal, inhalation), Skin irritant, Eye irritant, Environmental hazard, Corrosive to metals
Labeling Elements: Pictograms for corrosive, environmental hazard
Signal Word: Danger
Hazard Statements: Harmful if swallowed, causes skin irritation, causes serious eye damage, toxic to aquatic life
Precautionary Statements: Wear protective equipment, avoid release to the environment, wash thoroughly after handling, do not breathe dust or mist
Chemical Name: Copper(II) Methanesulfonate
Common Name: Copper(II) mesylate
Concentration: ≥98% by weight
Hazard Components: Copper(II) ion, Methanesulfonate ion
Impurities: Water (<2%), trace metals (iron, nickel, or lead at sub-ppm levels)
Inhalation: Remove to fresh air, monitor for coughing, difficulty in breathing, provide oxygen if required, seek medical attention for symptoms
Skin Contact: Take off contaminated clothing, rinse with water for fifteen minutes, use soap for thorough cleaning, seek medical advice if redness persists
Eye Contact: Rinse eyes gently with running water for at least fifteen minutes, lift eyelids to wash thoroughly, contact ophthalmologist
Ingestion: Do not induce vomiting, rinse mouth carefully, drink water if conscious, seek prompt medical assistance
Advice for Doctors: Watch for signs of copper poisoning, treat symptomatically, consider chelation therapy if systemic toxicity is suspected
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Media: Straight water jets can spread spilled material
Hazards from Combustion: Toxic fumes including sulfur oxides and copper oxides
Protective Equipment: Wear self-contained breathing apparatus, chemical protection suit
Special Precautions: Remove containers from fire area if possible, keep fire-exposed containers cool with spray, prevent runoff from entering drains or waterways
Personal Protection: Wear gloves, goggles, respirator if significant dust risk
Environmental Precaution: Dike area to avoid spillage into drains or waterways, notify authorities if uncontrollable release
Methods for Cleanup: Collect solid spills using non-sparking tools, transfer to a labeled container, wash area with water, absorb washings with inert material for disposal
Decontamination: Rinse area with plenty of water to minimize residue buildup
Precautions for Safe Handling: Avoid breathing dust or vapor, use only in well-ventilated areas, practice good hygiene, wash hands before eating or drinking
Conditions for Storage: Store in tightly closed containers, in cool, dry, well-ventilated place, keep away from acids and strong oxidizers, separate from foods and feeds
Incompatibilities: Avoid storing near alkaline materials, strong oxidizing agents, combustible or reducing substances
Exposure Limits: OSHA PEL for copper dust and mist = 1 mg/m³ (as Cu), ACGIH TLV = 1 mg/m³ (as Cu, dust and mist)
Engineering Controls: Use local exhaust ventilation, enclosed processing, general room ventilation
Personal Protective Equipment: Gloves (nitrile or PVC), chemical goggles, protective lab coat, use of dust mask or respirator with particulate filter if exposure potential exists, emergency eye wash stations
Hygiene Measures: Remove contaminated clothing, wash hands thoroughly, prohibit eating, drinking or smoking in work area
Appearance: Blue-green crystalline solid
Odor: Odorless
Odor Threshold: Not applicable
pH (1% solution): Approximately 2-3
Melting Point: Decomposes above 200 °C
Boiling Point: Not applicable (decomposes)
Solubility: Highly soluble in water
Vapor Pressure: Not available
Relative Density: About 2.1 g/cm³
Partition Coefficient (n-octanol/water): Not determined
Flash Point: Not flammable
Evaporation Rate: Not measurable
Autoignition Temperature: Not self-igniting
Chemical Stability: Stable under normal storage and usage conditions
Hazardous Reactions: Reacts vigorously with strong oxidizers and reducing agents, generates toxic fumes on decomposition
Conditions to Avoid: Extreme heat, moisture, incompatible materials
Incompatible Materials: Strong alkalis, acids, reducing agents, combustible substances
Hazardous Decomposition Products: Methanesulfonic acid, copper oxides, sulfur oxides (SOx)
Routes of Exposure: Inhalation, ingestion, skin contact, eye contact
Acute Toxicity: Ingestion may cause nausea, vomiting, abdominal pain, diarrhea, systemic copper poisoning at higher doses
Skin/Eye Irritation: Causes irritation on contact, redness, possible chemical burns
Chronic Effects: Long-term exposure linked to liver and kidney damage, hematological changes
Sensitization: Possible dermatitis with repeated skin contact
Carcinogenicity: No classification by IARC, NTP, OSHA for this specific compound
Other Information: Copper compounds can induce metal fume fever if inhaled in large amounts
Ecotoxicity: Highly toxic to aquatic life, low concentrations disrupt fish and invertebrate survival, persists in sediments
Persistence and Degradability: Not biodegradable, copper ions remain stable in the environment
Bioaccumulative Potential: Copper bioaccumulates in aquatic organisms, can enter food chains
Mobility in Soil: Leaches into groundwater, binds to soil minerals, possible risk to agriculture
Other Adverse Effects: Eutrophication risk, interferes with enzyme activity in microorganisms and plants
Product: Treat as hazardous waste, use licensed chemical waste disposal
Contaminated Packaging: Rinse and dispose as hazardous waste, prevent reuse
Disposal Protocols: Follow local, state, and federal regulations, incineration or landfill only after treatment to reduce risk
Precautions: Prevent release to the environment, avoid runoff to sewers
UN Number: 3077
Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (contains Copper(II) methanesulfonate)
Transport Hazard Class: 9 (Miscellaneous Dangerous Substances)
Packing Group: III
Marine Pollutant: Yes
Special Precautions for Transport: Keep separate from foodstuffs, avoid physical damage to packaging, comply with national and international regulations for hazardous materials
US TSCA: Listed
OSHA Hazard Communication: Meets criteria for hazardous chemicals
SARA Title III: Subject to reporting for Section 313 (copper compounds)
REACH Status (EU): Registered or pre-registered, subject to substance of very high concern review
Other National/Regional Regulations: Listed as a hazardous substance by ECHA, subject to workplace exposure limits, controlled discharge requirements in wastewater
Label Requirements: Corrosive material, aquatic environment hazard, emergency contact and handling instructions required on label
