Material Safety Data Sheet: Zirconium Acetate

Identification

Product Name: Zirconium Acetate
Chemical Formula: C4H6O4Zr
Synonyms: Acetic acid, zirconium salt; Zirconium(IV) acetate
CAS Number: 7585-20-8
Recommended Use: Used in ceramic applications, catalysts, textiles, and research settings
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Hazard Identification

Hazard Classification: Classified as irritant under GHS
Signal Word: Warning
Hazard Statements: Causes eye irritation. May irritate skin and respiratory tract after contact, inhalation or ingestion. Releases acetic acid vapors, especially in wet environments.
Precautionary Statements: Use gloves, goggles, and respiratory protection in case of dust or solution splashes. Avoid breathing dust. Wash thoroughly after handling.
Pictograms: Exclamation mark indicating health hazard

Composition / Information on Ingredients

Chemical Name: Zirconium Acetate
CAS Number: 7585-20-8
Concentration: 97-100% (if provided as solid, may include water of crystallization)
Impurities: Product may contain trace amounts of free acetic acid or other minor residuals from manufacture, but is generally considered pure for industrial use

First Aid Measures

Inhalation: Move person outside to get fresh air, keep warm and at rest. If symptoms like coughing, sore throat, or difficulty breathing persist, seek medical attention.
Skin Contact: Flush skin with plenty of water for at least 15 minutes, remove contaminated clothing, wash with mild soap. Get medical help if redness or irritation persists.
Eye Contact: Immediately rinse open eyes with gentle stream of water for a minimum of 15 minutes, continue to hold eyelids apart to flush thoroughly. Call a doctor, especially if pain or vision changes remain.
Ingestion: Rinse mouth. Never give anything by mouth if the person is unconscious. Do not induce vomiting without medical direction. Seek medical help right away.

Fire-Fighting Measures

Suitable Extinguishing Media: Use water spray, dry powder, CO2, or alcohol-resistant foam.
Unsuitable Extinguishing Media: Avoid using a direct stream of water on the burning product to prevent spreading.
Special Hazards: If heated to decomposition, releases irritating fumes such as acetic acid and metal oxides. Dust may form explosive mixtures with air under rare circumstances.
Protective Equipment: Firefighters wear self-contained breathing apparatus and full protective gear.
Further Information: Cooling unopened containers with water spray helps avoid excessive pressure buildup.

Accidental Release Measures

Personal Precautions: Ventilate area, avoid breathing dust, prevent skin and eye contact. Put on gloves, goggles, and a dust mask or respirator if exposure risk is high.
Environmental Precautions: Prevent run-off into drains, soil, or natural water sources. Sweep up spills with care to limit dust, transfer to leak-proof containers for disposal.
Methods for Clean-up: Sweep up without generating dust, shovel into an approved container. Rinse contaminated area with water. Dispose in accordance with local, state, and federal rules.

Handling and Storage

Safe Handling: Avoid contact with eyes, skin, and clothing. Avoid generating airborne dust. Wash hands after handling.
Storage Conditions: Store in a tightly closed container, in a cool, dry, well-ventilated area away from acids, strong oxidizers, and moisture. Avoid conditions that lead to spillage.
Incompatible Materials: Avoid exposure to strong oxidizers, strong acids, alkalis, and moisture, as these may trigger hazardous reactions.
Special Precautions: Label containers clearly and handle only with properly trained staff.

Exposure Controls and Personal Protection

Exposure Limits: No established occupational exposure limits for zirconium acetate. For zirconium compounds, ACGIH TLV-TWA: 5 mg/m³.
Engineering Controls: Use local exhaust to minimize dust or vapor exposure, maintain adequate general ventilation.
Personal Protective Equipment: Protective gloves (recommended nitrile), tight-fitting chemical splash goggles, protective clothing.
Respiratory Protection: Use approved NIOSH respirator if airborne exposure is likely.
Hygiene Measures: Do not eat, drink, or smoke during use. Wash exposed skin before breaks and after work.

Physical and Chemical Properties

Appearance: White to beige crystalline or powder
Odor: Slight acetic acid odor
Molecular Weight: 229.44 g/mol
pH (solution): 3.5–5.0
Melting Point: Decomposes before melting, typically around 200°C
Boiling Point: Not applicable (decomposes on heating)
Solubility: Soluble in water, ethanol
Vapor Pressure: Negligible
Density: 1.9–2.3 g/cm³
Other Data: Hygroscopic, may absorb moisture from air

Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions. May break down in contact with moisture, acids or bases.
Hazardous Reactions: Contact with strong oxidizers or acids can cause release of heat and irritating vapors.
Conditions to Avoid: Excess heat, water, strong oxidizing agents, acids, and bases.
Decomposition Products: Releases acetic acid and zirconium oxides on decomposition.

Toxicological Information

Acute Toxicity: Low toxicity for oral, dermal, or inhalation routes, but not intended for ingestion or prolonged contact.
Chronic Toxicity: Long-term exposure not well studied, but zirconium compounds can accumulate in body tissues after frequent contact. No evidence of carcinogenicity from zirconium acetate specifically.
Inhalation: May cause respiratory irritation if dust is inhaled.
Skin Contact: May lead to irritation or dermatitis with repeated exposure.
Eye Contact: Causes eye irritation, redness, and watering.
Ingestion: Not expected to be severely toxic, but could cause nausea, vomiting, or abdominal pain. Seek medical help for significant exposure.
Sensitization: No reports of allergic reactions from this substance.

Ecological Information

Ecotoxicity: Limited data on environmental impact. Zirconium compounds can affect aquatic organisms if released to waterways, but risk remains low with controlled use.
Persistence and Degradability: Not readily biodegradable, persists as inorganic compound in soil or sediment.
Bioaccumulation Potential: Minimal risk in normal usage, but trace zirconium may build up in aquatic life with repeated, high-level exposure.
Mobility in Soil: Mobile in water, could migrate in soil with heavy rainfall or spillage.
Other Hazards: Avoid large uncontrolled releases to environment, as aquatic toxicity increases with higher doses.

Disposal Considerations

Disposal Methods: Collect and place material into sealed containers, label properly, and send for disposal by a licensed chemical waste contractor.
Hazardous Waste: Not federally classified as hazardous, but must comply with state or local disposal requirements.
Contaminated Packaging: Rinse containers thoroughly, dispose of packaging as chemical waste after confirming no remaining product.
Recycling: No known methods for recycling zirconium acetate for non-industrial settings
Do Not: Discharge to drains, surface water or soil.

Transport Information

UN Number: Not regulated as a hazardous material under transport rules
Shipping Name: Zirconium Acetate
Transport Hazard Class: Not classified as dangerous
Packing Group: Not assigned
Environmental Hazards: Avoid spillage during transport to prevent dust formation and environmental contamination
Special Precautions: Use sealed and labeled containers for transport, protect from moisture and physical damage.

Regulatory Information

OSHA: Not specifically listed as hazardous, but handle using standard precautions for chemical dusts and solutions.
SARA Title III: Not listed as an extremely hazardous substance, nor subject to specific reporting under SARA 302/304.
TSCA: Listed in the United States TSCA inventory.
REACH (EU): Substance exempt or preregistered under appropriate annex. Check supplier data for compliance.
WHMIS (Canada): Not classified as a controlled product.
Other Regional Controls: Employers must assure chemical hygiene practices match national guidelines and local requirements.