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Material Safety Data Sheet: Poly(dimethylamine co-epichlorohydrin)

Identification

Chemical Name: Poly(dimethylamine-co-epichlorohydrin)
Synonyms: Polyamine epichlorohydrin resin, Polyamine-epichlorohydrin copolymer
Recommended Use: Water treatment chemical, paper making, wastewater processing
Supplier: Manufacturer or distributor details required
Emergency Phone: Available on packaging or from supplier
Product Code: As assigned by supplier
CAS Number: 25988-97-0

Hazard Identification

Classification: Skin Irritant, Eye Irritant, Acute Toxicity-Oral (Category varies by concentration)
Label Elements: Warning, exclamation mark symbol, precautionary statements
Hazard Statements: Causes skin and serious eye irritation, harmful if swallowed
Precautionary: Wash exposed skin thoroughly, avoid inhalation, eat or drink only after washing hands, use eye and face protection
Potential Health Effects: Eye redness, watering, pain, skin rash or itching, abdominal discomfort if ingested
Environmental Impact: Toxic to aquatic organisms, avoid release into drains or waterways

Composition / Information on Ingredients

Main Ingredient: Poly(dimethylamine-co-epichlorohydrin) (60–90%)
Residues/Byproducts: Minor monomers, unreacted epichlorohydrin, water
Impurities: Formaldehyde (trace), hydrochloric acid (trace)
Additives: Sometimes includes stabilizers or pH adjustment chemicals
Physical Form: Usually aqueous solution

First Aid Measures

Inhalation: Move to fresh air, keep person at rest, seek medical help if trouble breathing
Skin Contact: Take off contaminated clothing, rinse skin under running water, gently wash with soap
Eye Contact: Rinse eyes cautiously with water for at least 15 minutes, remove contact lenses, get prompt medical attention
Ingestion: Rinse mouth, do not induce vomiting, offer water if victim is conscious, get medical attention
Symptoms: Red or painful eyes, dry itchy skin, abdominal pain, headache, dizziness
Key Equipment: Eye wash station, emergency shower

Fire-Fighting Measures

Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Hazards from Combustion: Hydrogen chloride gas, carbon oxides, nitrogen oxides, possibly formaldehyde
Protective Gear: Firefighters use self-contained breathing apparatus, chemical resistant suits, gloves, boots
Special Procedures: Cool containers exposed to flame, prevent runoff into drains or waterways
Explosion Sensitivity: Not explosive but may release toxic gases under fire conditions

Accidental Release Measures

Personal Precautions: Wear gloves, goggles, protective clothing, avoid all contact, ventilate area
Spill Cleanup Methods: Contain with dike, absorb with inert material (sand, earth), collect residue in sealed container
Environmental Precautions: Prevent from entering sewers, storm drains, natural waterways
Disposal Guidance: Follow local, regional, national guidelines for hazardous waste

Handling and Storage

Handling: Avoid breathing vapors, avoid skin and eye contact, use only with adequate ventilation
Storage: Store in original container tightly closed, away from heat, direct sunlight, strong acids and oxidizers
Temperature: Store between 5–30°C
Container Requirements: Use corrosion-resistant tanks and pipelines, label all containers
Hygiene: Wash thoroughly after handling, no eating or drinking in use areas

Exposure Controls and Personal Protection

Exposure Limits: None established for polymer, but monitor for possible formaldehyde or epichlorohydrin residues
Ventilation: Local exhaust ventilation or general area ventilation required
Personal Protective Equipment: Chemical-resistant gloves (nitrile, PVC), splash-proof safety goggles, face shield for large volumes, lab coat
Respiratory: Use NIOSH-approved respirator for aerosol or vapor exposure
Environmental Control: Wash contaminated clothing, do not allow runoff

Physical and Chemical Properties

Appearance: Clear to pale yellow liquid
Odor: Slight ammoniacal
pH: 3.0–6.0
Boiling Point: Approximately 100°C (aqueous solution)
Melting Point: Not determined (liquid)
Flash Point: Not flammable in water solution
Vapor Pressure: Not significant
Solubility: Miscible with water
Specific Gravity: 1.05–1.15 at 20°C
Viscosity: 5–1000 cP (varies)
Decomposition Temperature: >150°C

Stability and Reactivity

Chemical Stability: Stable under normal temperatures and storage conditions
Reactivity: May react with strong oxidizing agents, acids
Hazardous Decomposition: Thermal decomposition may yield toxic gases such as ammonia, hydrogen chloride, nitrogen oxides
Polymerization: Not expected under ordinary conditions
Conditions to Avoid: Excess heat, mixing with incompatible materials

Toxicological Information

Acute Toxicity: Estimated low acute toxicity, but may cause kidney or liver strain in high exposures
Skin Contact: Irritation, possible burns on prolonged exposure
Eye Contact: Severe irritation, risk of lasting damage
Inhalation: Mild irritation to mucous membranes if vapor or aerosol inhaled
Ingestion: Causes abdominal pain, nausea, vomiting
Chronic Exposure: No clear evidence of long-term effects in humans, but repeated exposure increases skin risk
Sensitization: Not a known sensitizer
Carcinogenicity: Not classified, but watch for impurities (epichlorohydrin is considered a possible human carcinogen by IARC)

Ecological Information

Aquatic Toxicity: Moderately toxic to aquatic life, avoid discharge to waterways
Persistence and Degradability: Slow biodegradation, risk for bioaccumulation considered low
Mobility: Mobile in water, may be removed through flocculation processes in water treatment
Bioaccumulative Potential: Not significant for polymer
Other Facts: Monitor effluents, comply with wastewater regulations

Disposal Considerations

Waste Treatment: Dispose as chemical waste, consult authorized hazardous waste processor
Container Disposal: Rinse empty drums thoroughly, offer for recycling or reconditioning where possible, or dispose at authorized facility
Regulations: Comply with local, national, and regional requirements; some residues may be listed hazardous waste
Avoid: Dumping in drains, watercourses, or open environment

Transport Information

Classification: Not regulated as dangerous good in aqueous form for ground/sea transport, check air transport rules
UN Number: Not assigned for polymer in solution
Packing Group: Not applicable
Labeling: Mark packages clearly, provide MSDS with each shipment
Special Precaution: Protect from freezing or overheating, prevent leaks

Regulatory Information

GHS Classification: Skin Irritant, Eye Irritant
SARA 313: Epichlorohydrin may fall under reporting, not the polymer
TSCA: Listed
EINECS: Listed (number assigned for polymer varies by composition)
REACH: Polymer exempt from registration, monomers may be listed
Right-to-Know: Comply with state/provincial rules such as California Proposition 65, for impurities
Worker Protection: Provide training, maintain access to safety equipment, post emergency instructions
Other Standards: Include product safety labelling in workplace, follow International Maritime Dangerous Goods (IMDG) and IATA for shipping if not in dilute form