Product Name: Poly Methylene Co Guanidine Hydrochloride
Chemical Formula: (C8H24Cl2N8)x
Synonyms: PMCG-HCl, Poly(ethylene-co-guanidine) hydrochloride
Recommended Use: Used as a disinfectant, sanitizer, water treatment agent, and antimicrobial
Supplier: Manufacturer’s contact information provided on request
Emergency Contact Phone Number: Available from shipping or supplier documentation
CAS Number: 105512-06-9
UN Number: Provided as per shipping documentation
Classification: Irritant, dangerous for the environment, harmful if swallowed
Primary Hazards: Causes skin and eye irritation, may damage mucous membranes, hazardous to aquatic life with long-lasting effects
Label Elements: Pictograms indicating irritation and aquatic toxicity
Signal Word: Warning
Hazard Statements: Causes severe irritation to eyes and skin, harmful if swallowed, toxic to aquatic organisms
Precautionary Statements: Avoid contact with skin, avoid breathing dust or fumes, wash thoroughly after handling
Symptoms of Exposure: Redness, burning, coughing, respiratory distress
Unusual Hazards: May generate hazardous fumes in a fire, reacts with strong oxidizers
Chemical Name: Poly Methylene Co Guanidine Hydrochloride
Common Name: PMCG-HCl
Concentration: 95-100%
Impurities/Additives: Trace water, minor by-products of polymerization
Molecular Weight: Varies according to polymer batch
Other Ingredients: No significant other ingredients
Eye Contact: Flush immediately with plenty of clean water for at least fifteen minutes, seek medical help if irritation persists
Skin Contact: Remove contaminated clothing and wash affected area with water and soap, do not scrub harshly, consult healthcare if skin reaction develops
Inhalation: Move individual to fresh air, keep at rest, assist breathing if signs of distress appear, consult a physician
Ingestion: Rinse mouth thoroughly, give water to drink if conscious, avoid forced vomiting, get medical attention as quickly as possible
Most Important Effects: Irritation to exposed tissue, risk of chemical burns depending on exposure level
Protective Measures for First Responders: Wear gloves, goggles, and respiratory protection if necessary
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, or foam
Unsuitable Extinguishing Media: Direct water jet may scatter product or spread hazard
Special Hazards: Thermal decomposition may release nitrogen oxides, hydrogen chloride, and other toxic vapors
Protective Equipment for Firefighters: Full protective gear and self-contained breathing apparatus to avoid fumes
Advice for Fire Responders: Avoid inhaling smoke, keep run-off from entering drains or watercourses, cool exposed containers with spray
Personal Precautions: Avoid skin and eye contact, remove ignition sources, ventilate area
Environmental Precautions: Prevent access to surface water, soil, and sewage systems, contain spilled material with non-combustible absorbent
Cleanup Methods: Collect using shovel or suction, place in suitable container for disposal, wash area with plenty of water but avoid high-pressure sprays
Other Protective Measures: Use gloves, goggles, protective clothing, and NIOSH-approved respiratory protection as needed
Disposal of Waste: Dispose according to local, state, and federal environmental regulations
Handling: Use in a well-ventilated environment, keep containers tightly closed, avoid generating dust or aerosols, always wear protective gear
Storage: Store in a cool, dry place away from heat, flames, and incompatible materials such as strong oxidizers and acids
Incompatibilities: Strong oxidizing agents, strong acids, certain metals
Other Storage Instructions: Keep container tightly sealed, use corrosion-resistant material, label clearly
Exposure Limits: No OSHA PEL or ACGIH TLV established; minimize exposure through controls
Engineering Controls: Provide local exhaust or general ventilation to minimize airborne concentrations
Personal Protection: Gloves (nitrile or neoprene), chemical safety goggles, protective clothing, and if necessary, NIOSH-approved respirator for dust
Hygiene Practices: Wash hands and forearms after handling, avoid eating, drinking, or smoking in work area, remove contaminated clothing promptly
Appearance: White to light yellow powder or granules
Odor: Odorless to slightly ammoniacal
Odor Threshold: No data available
pH Value: 3 to 6 (1% solution)
Melting Point/Freezing Point: Decomposes above 250°C
Boiling Point: Not applicable (polymer)
Solubility: Soluble in water, forming clear solution
Vapor Pressure: Negligible
Density: 1.20 - 1.35 g/cm³
Partition Coefficient (n-octanol/water): Not determined
Viscosity: Not determined
Flash Point: Not flammable
Auto-ignition Temperature: Not determined
Chemical Stability: Stable under recommended handling and storage conditions
Possible Hazardous Reactions: May react with acids to release toxic gases, avoid mixing with strong oxidizers
Conditions to Avoid: High temperatures, humidity, sources of ignition
Materials to Avoid: Strong oxidizers, strong acids, some metals
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, cyanogen compounds if overheated
Likely Routes of Exposure: Skin, eyes, inhalation, ingestion
Acute Toxicity: LD50 (oral, rat) estimated >2,000 mg/kg; irritation to mucous membranes and eyes
Chronic Toxicity: Effects on liver or kidneys possible after long-term exposure
Irritation: Severe skin and eye irritant
Sensitization: Unlikely but has not been ruled out
Carcinogenicity: No evidence according to current available data
Mutagenicity/Teratogenicity: Not classified as mutagenic or teratogenic
Other Risks: Repeated exposure may cause dermatitis or respiratory symptoms in sensitive individuals
Ecotoxicity: Highly toxic to aquatic life (fish, daphnia, algae)
Persistence and Degradability: Not readily biodegradable; stays in environment for longer periods
Bioaccumulative Potential: Low bioaccumulation, but persistent
Mobility in Soil: High mobility in water, risk of groundwater contamination
Other Adverse Effects: Potential toxic impact on microorganisms in wastewater plants
Disposal Methods: Dispose through incineration or authorized chemical disposal facility, do not discharge powder or solution to drains
Contaminated Packaging: Triple-rinse and puncture containers before landfilling or recycling; hazardous waste labeling required
Waste Codes: Dependent on local regulations, usually classified as hazardous chemical waste
Additional Advice: Refer to relevant local and national standards, do not mix with household waste
UN Number: As per local transportation regulations
Proper Shipping Name: Poly Methylene Co Guanidine Hydrochloride
Transport Hazard Class: 8 (Corrosive substances)
Packing Group: II-III, depending on concentration
Environmental Hazards: Marine pollutant, must not be released to the environment
Special Transport Precautions: Ensure containers remain sealed and upright, provide documents required by regulations
Labeling: Corrosive and environmental hazard labels
Safety, Health, and Environmental Regulations: Product falls under hazardous chemical regulations, reporting required if thresholds are exceeded
Workplace Safety: Use of protective equipment mandated, exposure monitoring required in some jurisdictions
Chemical Inventory Listing: Registered under TSCA (US), REACH (EU), and other international chemical inventories
Labeling Requirements: Comply with GHS, OSHA, and local chemical labeling norms
SARA Title III/EPCRA: Product subject to reporting rules depending on use and site
Other Regulations: Additional regional standards may apply to transport, handling, storage, and disposal
