Product Name: Guanidine Carbonate PVP K90 (Powder)
Chemical Family: Organic base and water-soluble polymer
Chemical Formula: C2H7N3 · H2CO3 and polyvinylpyrrolidone
Synonyms: Guanidinium carbonate polyvinylpyrrolidone
CAS Number: Guanidine Carbonate: 593-85-1, PVP K90: 9003-39-8
Recommended Use: Industrial process additive, laboratory applications, binder, dispersant
Supplier Information: Manufacturer details, emergency contact number, and office address as found on purchase documents
Classification: Skin and eye irritant, not classified as flammable or explosive
GHS Label Elements: Exclamation mark symbol for irritant
Hazard Statements: Causes skin irritation, causes serious eye irritation, dust inhalation may cause respiratory discomfort
Precautionary Statements: Avoid inhaling dust, use only outdoors or in well-ventilated area, wear protective gloves and eye protection
Potential Health Effects: Inhalation of dust may trigger coughing, skin contact can lead to dryness or mild rash, eye contact may cause stinging or redness, ingestion may cause nausea
Environmental Hazards: Limited information on aquatic effects, avoid discharge to drains
Guanidine Carbonate: 50-60%
PVP K90 (Polyvinylpyrrolidone): 40-50%
Other Additives: Trace amounts, proprietary stabilizers or anti-caking agents may be included, information available on request from supplier
Impurities: Typical manufacturing residuals present below 1%
Physical Form: Fine powder, off-white to white in color
Inhalation: Remove individual to fresh air, keep at rest, seek medical advice if symptoms persist
Skin Contact: Rinse skin with water, remove contaminated clothing, wash with soap for persistent irritation
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, obtain medical attention if discomfort continues
Ingestion: Rinse mouth, give small amount of water to drink, do not induce vomiting, seek medical attention if feeling unwell
Immediate Symptoms: Itching, redness, cough, minor headache
Note to Physicians: Treat according to symptoms
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Extinguishing Media: No special restrictions identified
Hazards During Fire: May emit nitrogen oxides, carbon monoxide, and other toxic fumes if heated strongly
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear
Fire-Fighting Instructions: Move containers from fire area if safely possible, cool exposed containers with water spray
Thermal Decomposition: Produces hazardous gases at high temperatures
Personal Precautions: Avoid breathing dust, ventilate area, wear protective equipment such as gloves, goggles, particulate respirator
Environmental Precautions: Prevent entry into watercourses, drains, or soil
Clean Up: Collect spillage using vacuum or shovel into properly labeled containers, minimize dust generation, wash spill site after material pickup
Disposal: Dispose evacuated material in accordance with local regulations, ensure complete clean-up
Reporting: Notify relevant authorities if material has entered waterways or larger public areas
Handling: Handle with care in well-ventilated spaces, avoid creating dust clouds, always use personal protective gear
Safe Techniques: Do not mix with incompatible chemicals, avoid spills, practice good hygiene after handling
Storage Conditions: Store in tightly closed containers in a dry, cool, well-ventilated space, protect from moisture, keep away from heat sources
Storage Incompatibilities: Acids, oxidizers, strong reducing agents
Special Packaging Requirements: Use moisture-proof containers, label appropriately
Occupational Exposure Limits: No established exposure limits, control dust below nuisance threshold (generally less than 10 mg/m3)
Engineering Controls: Use local exhaust ventilation, ensure general mechanical ventilation where necessary
Personal Protective Equipment:
Appearance: White or off-white fine powder
Odor: Nearly odorless
Odor Threshold: Not determined
pH (1% solution): 7-9 at 20°C
Melting Point/Range: Decomposes before melting
Boiling Point: Not applicable (solid at standard conditions)
Flash Point: Not flammable
Flammability: Non-flammable
Explosive Properties: No explosive properties
Vapor Pressure: Negligible
Solubility: Soluble in water
Density: 1.3-1.5 g/cm³ (approximate)
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not applicable
Decomposition Temperature: Begins above 150°C
Viscosity: Not applicable
Chemical Stability: Stable under normal recommended storage and handling conditions
Reactivity: No hazardous reactivity under normal use
Conditions to Avoid: Moisture, excessive temperatures, sources of ignition
Materials to Avoid: Strong acids, oxidizing agents, alkalis
Hazardous Decomposition: Carbon dioxide, ammonia, nitrogen oxides, other undetermined toxic gases formed at high temperatures
Polymerization: Not known to occur
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Low oral and dermal toxicity, dust inhalation may cause mild irritation
Skin Corrosion/Irritation: Moderate irritation on repeated contact
Serious Eye Damage/Irritation: Moderate irritation, reversible with appropriate rinsing
Respiratory or Skin Sensitization: Not classified as sensitizer
Carcinogenicity: No data indicating carcinogenic effects; major agencies have not listed components as cancer-causing
Chronic Effects: Long-term exposure to high concentration may aggravate pre-existing skin or lung conditions
Additional Information: No mutagenicity or reproductive toxicity reported for PVP K90 or guanidine carbonate at industrial exposure levels
Ecotoxicity: Available data point to low acute toxicity to aquatic life for both guanidine carbonate and PVP K90 at typical concentrations
Persistence and Degradability: PVP K90 is slowly biodegradable, guanidine carbonate is expected to degrade in soils and waters
Bioaccumulative Potential: Low for both components
Mobility in Soil: Water solubility means potential movement through soil in case of large spill
Other Adverse Effects: Avoid uncontrolled release to environment, practice proper disposal to prevent ecological harm
Waste Treatment Methods: Collect spills and residues in tightly sealed containers, dispose through licensed waste processor
Legal Requirements: Follow local, regional, and national requirements for hazardous chemical waste
Contaminated Packaging: Triple rinse empty containers, render unusable before recycling or disposal
Environment: Prevent entry into waterways, sewers, and soils, minimize environmental introduction by proper waste management
UN Number: Not regulated by international transport agencies
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not classified as hazardous
Packing Group: Not applicable
Marine Pollutant: Not categorized as marine pollutant
Special Precautions for User: Secure in closed container, prevent dust escape
Transport in Bulk: No special considerations needed for land, air, or sea; keep containers dry
Global Inventories: Components listed on TSCA (USA), REACH (EU), DSL (Canada), IECSC (China), and other major inventories
Labeling Requirements: GHS compliant hazard statements and pictograms required
OSHA Classification: Hazardous by definition of Hazard Communication Standard
Other Regulations: Observe workplace exposure limits, chemical hygiene rules, and specific requirements set forth by national authorities
Additional Regulatory Notes: Safety Data Sheet information in accordance with OSHA, EU, and other local standards; product is not regulated under major international conventions but requires standard workplace reporting and safety measures
