Material Safety Data Sheets: Antimony Trioxide Alternative (Zinc Borate)

1. Identification

Name: Zinc Borate
Synonyms: ZB Fire Retardant, ZB2335
Product Code: ZB-11031
Recommended Use: Flame retardant in plastics, textiles, and coatings
Supplier Details: EcoChem Products, 208 Pioneer Parkway, Decatur, IL, 62521
Phone Number: 1-800-223-4513
Emergency Contact: CHEMTREC 1-800-424-9300

2. Hazard Identification

Classification: Eye Irritant (Category 2A), Specific Target Organ Toxicity — Single Exposure (Category 3)
GHS Label: Warning
Hazard Statements: Causes serious eye irritation, may cause respiratory irritation
Precautionary Statements: Avoid breathing dust, wash exposed skin thoroughly after handling, use only outdoors or in a well-ventilated area
Signal Word: Warning
Pictogram: Exclamation mark

3. Composition / Information on Ingredients

Chemical Name: Zinc Borate
CAS Number: 1332-07-6
Concentration: 98-100%
Impurities: None reported
Additives: None

4. First Aid Measures

Inhalation: Move to fresh air, keep person at rest, seek medical advice if symptoms persist
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, get medical attention if irritation develops
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, call poison center if eye irritation persists
Ingestion: Rinse mouth, do not induce vomiting, seek medical advice if feeling unwell

5. Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Extinguishing Media: Straight stream of water
Hazards: Material not flammable, generates zinc oxide fumes above 600°C
Protective Equipment: Firefighters should wear self-contained breathing apparatus and protective clothing
Special Procedures: Use water spray to cool containers, avoid inhaling combustion products

6. Accidental Release Measures

Personal Precautions: Wear dust mask, protective gloves, safety goggles
Environmental Precautions: Avoid discharge to waterways, drain with dry methods, prevent accumulation in soil
Methods for Containment: Gather spilled material using tools, sweep up and place in labeled containers
Cleanup: Vacuum or wet-brush, avoid creating dust, ventilate area

7. Handling and Storage

Handling: Minimize dust generation, use only with adequate ventilation, wash hands after use, avoid skin and eye contact
Storage: Keep in tightly sealed containers, stored in cool, dry, well-ventilated location
Incompatible Materials: Strong acids, strong bases
Shelf Life: Indefinite when stored in recommended conditions

8. Exposure Controls and Personal Protection

Occupational Exposure Limits: ACGIH TLV (TWA): 2 mg/m³ (inhalable)
Engineering Controls: Use local exhaust or general ventilation
Personal Protection: Safety goggles, impervious gloves, NIOSH-approved dust mask or respirator
Hygiene: Wash hands thoroughly after handling, avoid eating or drinking during use

9. Physical and Chemical Properties

Appearance: White powder
Odor: Odorless
Melting Point: Decomposes above 980°C
Boiling Point: Not applicable
Solubility in Water: Insoluble
Specific Gravity: 2.67
pH: 7.0 (10% slurry)
Vapor Pressure: Negligible
Flash Point: Not applicable

10. Stability and Reactivity

Stability: Chemically stable under normal conditions
Reactivity: Non-reactive with most materials
Conditions to Avoid: Exposure to moisture, excessive heat
Hazardous Decomposition Products: Zinc oxide fumes, boron oxides
Polymerization: Will not occur

11. Toxicological Information

Acute Toxicity: LD50 (oral, rat) > 10,000 mg/kg
Irritation: Causes eye irritation, mild skin irritation possible
Sensitization: No known sensitization
Chronic Effects: Prolonged inhalation of dust can cause respiratory tract irritation, long-term exposure to high concentrations may impact zinc metabolism
Carcinogenicity: Not listed by IARC or NTP as carcinogen

12. Ecological Information

Aquatic Toxicity: May be harmful to aquatic organisms in high concentrations, LC50 (96h) for fish: >100 mg/L
Persistence and Degradability: Inorganic, does not degrade in environment
Bioaccumulation: Low potential
Soil Mobility: Practically insoluble, low mobility
Eco-toxic Effects: Zinc can accumulate in soils and may impact plant growth at extremely high residuals

13. Disposal Considerations

Disposal Method: Collect in sealed containers, dispose of as non-hazardous solid waste in accordance with local regulations
Contaminated Packaging: Rinse and reuse or dispose as solid waste
Waste Codes: Not classified as hazardous under RCRA
Special Instructions: Avoid entry to waterways, do not incinerate

14. Transport Information

UN Number: Not regulated for transport
Proper Shipping Name: Non-hazardous material
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not listed as marine pollutant
Special Precautions: Avoid release to environment

15. Regulatory Information

TSCA: Listed
REACH Registration: Registered
OSHA: Not classified as hazardous chemical
SARA 313: Not listed
California Proposition 65: Not listed
Other Regulations: No known international restrictions