Material Safety Data Sheet – Nickel Acetate Tetrahydrate

Identification

Product Name: Nickel Acetate Tetrahydrate
Chemical Formula: C4H6NiO4·4H2O
Synonyms: Nickel(II) acetate tetrahydrate, Nickel diacetate
CAS Number: 6018-89-9
Recommended Use: Electroplating, catalyst production, laboratory research, dyeing agents
Manufacturer Contact: Emergency contact information, business address, telephone numbers, supplier identifiers

Hazard Identification

Classification: Acute toxicity (oral, dermal, inhalation) – Category 4; Skin sensitization – Category 1; Carcinogenicity – Category 1A; Specific target organ toxicity – repeated exposure, respiratory system
Pictogram: Skull and crossbones, health hazard, environment
Signal Word: Danger
Hazard Statements: Harmful if swallowed or inhaled; May cause cancer by inhalation; May cause allergy or asthma symptoms or breathing difficulties; Causes skin and eye irritation; Toxic to aquatic life with long-lasting effects
Precautionary Statements: Use protective equipment; Avoid breathing dust or mist; Wash hands thoroughly after handling; Do not eat, drink or smoke during use; Avoid release to the environment

Composition / Information on Ingredients

Chemical Name: Nickel(II) acetate tetrahydrate
Common Name: Nickel Acetate
Concentration: 99–100%
CAS Number: 6018-89-9
Impurities and Stabilizers: Minimal or absent, trace contaminants possible from manufacturing

First Aid Measures

Inhalation: Remove person to fresh air without delay, seek medical attention if breathing becomes difficult, provide oxygen if available
Skin Contact: Wash skin with soap and water, remove contaminated clothing, rinse for at least 15 minutes, contact medical personnel if irritation develops
Eye Contact: Rinse immediately with plenty of water, hold eyelids open, keep flushing for at least 15 minutes, consult ophthalmologist
Ingestion: Rinse mouth, avoid inducing vomiting, never give anything by mouth to unconscious individual, seek immediate medical attention
Important Symptoms: Respiratory discomfort, skin rash, eye irritation, gastrointestinal upset, asthmatic reactions in sensitized individuals

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Media: Avoid heavy water streams that may spread material
Specific Hazards: Combustion may produce toxic fumes, nickel oxide, carbon oxides, acetic acid vapors
Protective Equipment: Self-contained breathing apparatus, full protective gear
Firefighting Precautions: Control runoff to prevent environmental contamination, evacuate area if needed

Accidental Release Measures

Personal Protection: Wear gloves, eye protection, respiratory mask, coveralls; restrict access
Spill Cleanup: Avoid creating dust, use non-sparking tools, wet down powder, scoop up, place in labeled containers
Environmental Precautions: Prevent product from entering drains, waterways, soil, alert local authorities if contamination occurs
Decontamination: Wash spill area thoroughly with water and detergent after removal of bulk material

Handling and Storage

Handling: Use only in well-ventilated areas; minimize dust generation; keep away from food, beverages, animal feed; handle with care to prevent breaking packaging and spills
Hygiene: Wash hands and face before eating, drinking, smoking, or leaving work; do not breathe dust; avoid contact with eyes, skin, or clothing
Storage Conditions: Store in tightly sealed containers, keep in cool, dry, well-ventilated setting; segregate from incompatible substances such as strong acids, strong bases, oxidizers; clearly label all storage vessels
Storage Temperature: Room temperature, prevent freezing or excessive heating

Exposure Controls and Personal Protection

Occupational Exposure Limits: ACGIH TLV (Nickel inorganic compounds): 0.1 mg/m³ (inhalable fraction); OSHA PEL: 1 mg/m³ (as Ni)
Engineering Controls: Local exhaust ventilation, process enclosure, safety shower and eyewash stations nearby
Respiratory Protection: NIOSH approved respirators for particulates if workplace limit exceeded
Skin Protection: Chemical-resistant gloves (nitrile, neoprene), long sleeves
Eye Protection: Chemical safety goggles, face shield if splash risk
Hygiene Measures: Remove contaminated clothing, wash thoroughly after handling, avoid secondary contamination

Physical and Chemical Properties

Appearance: Green crystalline solid
Odor: Slight acetic odor
Odor Threshold: Not established
pH: 7 (1% water solution)
Melting Point: 58°C with decomposition (loss of water)
Boiling Point: Decomposes before boiling
Flash Point: Not flammable
Evaporation Rate: Not available
Flammability: Not flammable
Explosion Limits: Not applicable
Vapor Pressure: Negligible at ambient temperature
Vapor Density: Not available
Relative Density (water = 1): About 1.744 g/cm³
Solubility: Soluble in water, ethanol
Partition coefficient (log Kow): Not available
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: Above 58°C
Viscosity: Not applicable

Stability and Reactivity

Chemical Stability: Stable under recommended storage and normal conditions
Possibility of Hazardous Reactions: No dangerous reactions known under normal use
Conditions to Avoid: Excessive heat, direct sunlight, moisture, incompatible materials
Incompatible Materials: Strong acids, strong oxidizing agents, strong bases, reducing agents
Hazardous Decomposition Products: Nickel oxides, acetic acid fumes, carbon monoxide, carbon dioxide

Toxicological Information

Acute Toxicity: Oral LD50 (rat): 350 mg/kg; Harmful via oral, dermal, and inhalation routes
Skin Corrosion/Irritation: Moderately irritating to skin
Serious Eye Damage/Irritation: Can cause moderate eye irritation
Respiratory Sensitization: May cause asthma-like symptoms or breathing difficulties
Skin Sensitization: Prolonged contact may trigger allergic skin response
Carcinogenicity: Nickel compounds classified as carcinogen (IARC Group 1, NTP, OSHA)
Reproductive Toxicity: Evidence limited, animal studies suggest possible effects
STOT – single/repeated exposure: Possible lung, kidney, and liver damage, especially with chronic inhalation
Routes of Exposure: Inhalation, dermal, ingestion
Symptoms: Coughing, wheezing, dermatitis, redness, nausea, headache

Ecological Information

Acute Ecotoxicity: Highly toxic to aquatic organisms, crustaceans, algae, and fish (LC50 fish ~1 mg/L)
Chronic Effects: Long-term adverse effects in aquatic environments, bioaccumulative in some species
Mobility in Soil: Dissolves and disperses in surface water, can bind to soil particles
Persistence and Degradability: Not readily biodegradable, not removed from water easily
Bioaccumulative Potential: Possible, can accumulate in aquatic flora and fauna
Other Adverse Effects: Metal ions may persist in the environment, impacting water and soil quality

Disposal Considerations

Waste Management: Collect material in labeled, sealed containers, store securely awaiting disposal
Disposal Methods: Send to licensed hazardous waste treatment facility; do not flush to sewer, surface water, or soil
Contaminated Packaging: Triple rinse, puncture, dispose as hazardous waste
Regulatory Compliance: Follow federal, state, and local regulations for hazardous metals disposal; recover or recycle if possible

Transport Information

UN Number: 3077
UN Proper Shipping Name: Environmentally hazardous substance, solid, N.O.S. (contains Nickel Acetate Tetrahydrate)
Transport Hazard Class: 9 (Miscellaneous dangerous substances and articles)
Packing Group: III
Environmental Hazards: Marine pollutant
Transport Precautions: Avoid dust emission, keep container tightly closed, secure upright during transit; label according to DOT, IMDG, IATA regulations

Regulatory Information

OSHA: Hazardous chemical, regulated under 29 CFR 1910.1200
SARA: Section 313 (Toxic Release Inventory): Yes (Nickel compounds)
TSCA: Listed
CERCLA: Nickel and compounds are reportable (RQ = 100 pounds)
California Proposition 65: Listed as known to cause cancer
EINECS/ELINCS: Listed
Canadian WHMIS: D2A (Very Toxic), D2B (Toxic)
Other: Check local, national, and regional requirements regarding occupational and environmental restrictions; this material may be subject to additional restrictions due to toxicity and carcinogenic properties