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Material Safety Data Sheet (MSDS) – Raw Lacquer

Identification

Product Name: Raw Lacquer
Other Names: Natural Lacquer, Lac
Recommended Use: Varnish, Wood Finish, Coating
Manufacturer: [Manufacturer information here]
Emergency Phone: [Phone number here]
Address: [Location of manufacturer]

Hazard Identification

GHS Classification: Skin irritant, Eye irritant, Respiratory irritant, Sensitizer
Signal Word: Warning
Hazard Statements: Causes skin irritation and allergic reactions, Causes eye irritation, May provoke respiratory sensitivity
Pictograms: Irritant (Exclamation mark), Health hazard
Precautionary Statements: Avoid inhalation of vapors or aerosols, Prevent skin and eye contact, Wear protective equipment, Work in a ventilated area

Composition / Information on Ingredients

Chemical Nature: Plant exudate, primarily catechol derivatives and urushiol
Concentration: Urushiol (40–70%), Water (20–30%), Gum and Proteins (2–6%)
Other Impurities: Waxes, Resins, Minor organic acids
CAS Numbers: Urushiol (103-44-6)

First Aid Measures

After Skin Contact: Remove contaminated clothing, wash affected area thoroughly with soap and water, Seek medical attention for irritation or rash
After Eye Contact: Rinse cautiously with water for several minutes, Remove contact lenses if present, Continue rinsing, Obtain medical advice if symptoms persist
After Inhalation: Move to fresh air, Seek medical care if breathing is difficult
After Ingestion: Rinse mouth, Seek immediate medical help, Do not induce vomiting unless advised by medical personnel

Fire-Fighting Measures

Suitable Extinguishing Media: Foam, Dry chemical, Carbon dioxide, Water spray
Specific Hazards: Combustion releases toxic vapors including carbon monoxide, carbon dioxide
Protective Equipment: Use self-contained breathing apparatus, Full firefighting turnout gear
Special Procedures: Evacuate area of unprotected personnel, Prevent run-off from entering waterways, Cool containers exposed to fire with water

Accidental Release Measures

Personal Precautions: Wear protective gloves, clothing, eye and face protection
Environmental Precautions: Prevent entry into sewers, waterways, or soil
Methods for Cleaning Up: Contain spilled material with absorbent, Collect in suitable container for disposal, Clean with water and mild detergent, Dispose of contaminated materials as hazardous waste

Handling and Storage

Handling: Use in well-ventilated spaces, Avoid breathing vapors or dust, Avoid skin contact, Wash hands and exposed skin after handling
Storage: Keep containers tightly closed in a cool, dry, well-ventilated area, Store away from heat sources and direct sunlight, Keep incompatible materials away, such as strong oxidizers and acids, Store in non-reactive, labeled containers

Exposure Controls and Personal Protection

Engineering Controls: Use local exhaust ventilation, Handle in closed systems if possible
Personal Protection: Nitrile gloves, Protective clothing, Eye goggles or face shield, NIOSH-approved respirator if airborne concentrations are high
Hygiene Measures: Wash hands and face after use, Do not eat, drink, or smoke during handling, Replace contaminated clothing promptly
Exposure Limits: Not established for raw lacquer, Avoid significant dermal and respiratory exposure

Physical and Chemical Properties

Appearance: Viscous, brown or black liquid
Odor: Sharp, phenolic
pH: Slightly acidic (pH 3–5)
Boiling Point: Approximately 100°C (water content)
Melting Point: Not applicable (liquid at room temperature)
Flash Point: Over 80°C
Solubility: Insoluble in water, Soluble in alcohols, ethers, and oils
Vapor Pressure: Low at room temperature
Specific Gravity: 1.04–1.17

Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions, Sensitive to light and air over time
Reactivity: Reacts with strong oxidizing agents, acids, strong bases
Hazardous Decomposition: Releases phenolic vapors and toxic gases under fire or extreme heat
Polymerization: May occur on exposure to air and moisture, leading to hardening

Toxicological Information

Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Effects: Severe allergic reaction, redness, swelling, itching; inhalation of vapors can irritate respiratory tract
Chronic Effects: Prolonged contact may cause persistent dermatitis and heightened sensitivity
Carcinogenicity: Not classified as carcinogenic based on current data
Sensitization: High potential for sensitization, leading to repeated reactions upon exposure

Ecological Information

Aquatic Toxicity: Potentially toxic to aquatic organisms in high concentrations
Persistence and Degradability: Breaks down naturally over time, but natural components can persist in environment
Bioaccumulation: No significant tendency to bioaccumulate
Mobility: Miscible components may move through soil, avoid release into water sources
Environmental Impact: Minimize environmental exposure due to sensitivity of natural ecosystems

Disposal Considerations

Methods of Disposal: Dispose of as chemical waste in accordance with local regulations, Incinerate in approved facility if allowed
Packaging Disposal: Contaminated packaging should be treated as hazardous waste, Rinse thoroughly and recycle or dispose responsibly
Special Precautions: Do not dispose in municipal waste streams, Do not allow product to enter drains, surface water, or soil

Transport Information

UN Number: Not assigned for raw lacquer, check with transport authority
Proper Shipping Name: Raw Lacquer
Hazard Class: Not regulated under most transport codes, handle as sensitizing material
Packing Group: III or not regulated, verify requirements
Special Precautions for User: Ensure containers are sealed, dry, and properly labeled during shipment, Avoid exposure to heat or strong light during transit

Regulatory Information

Workplace Safety: Must comply with national occupational exposure and chemical safety requirements
Ingredient Listing: Urushiol and other ingredients to be disclosed as per regional chemical inventory laws
Labeling: Product requires clear hazard warnings, risk and safety phrases according to OSHA, GHS, or local authority
REACH/TSCA: Status depends on country of use, check registry for specific requirements
Restrictions: Regulated for occupational exposure, Not intended for consumer use without proper training and protection