Material Safety Data Sheet (MSDS) for Polyquaternium-7

Identification

Product Name: Polyquaternium-7
Chemical Family: Polymeric quaternary ammonium salt
Recommended Uses: Personal care products, shampoos, conditioners, liquid soaps, skin cleansers
Synonyms: PQ-7, Polyquaternium 7, Polyquat 7
Manufacturer and Supplier: Chemical supplier details including address and emergency contact number
Emergency Phone Number: Local poison control center or manufacturer's emergency hotline
CAS Number: 26590-05-6

Hazard Identification

GHS Classification: Not classified as hazardous under GHS
Hazard Statements: May cause mild irritation to eyes or skin in sensitive individuals
Signal Word: Not required
Pictogram: Not required
Precautionary Statements: Avoid contact with eyes, rinse thoroughly if contacted
Potential Health Effects: Short-term contact may cause redness and minor irritation, inhalation of mist could cause mild discomfort

Composition / Information on Ingredients

Chemical Name: Polyquaternium-7
CAS Number: 26590-05-6
Concentration: 10-50% in commercial solutions, varies based on formulation
Other Components: Water (Aqua), up to 90%; trace residual monomers such as acrylamide below regulated limits
Impurities: Monomer residue typically below regulatory thresholds for consumer safety

First Aid Measures

Inhalation: Remove person to fresh air, seek medical attention if respiratory symptoms develop
Skin Contact: Wash affected area thoroughly with soap and water; remove contaminated clothing
Eye Contact: Rinse eyes cautiously with water for at least 15 minutes, hold eyelids open, seek medical attention if irritation persists
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical advice if large quantity swallowed or if feeling unwell
Advice for Medical Personnel: Treat symptomatically, product unlikely to require special medical intervention

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, foam, carbon dioxide, dry chemical
Unsuitable Extinguishing Media: Not known
Specific Hazards: Product does not sustain combustion, may produce toxic fumes such as nitrogen oxides or ammonia if heated beyond decomposition
Protective Equipment for Firefighters: Use self-contained breathing apparatus, wear full protective gear
Special Firefighting Procedures: Cool fire-exposed containers with water spray to prevent pressure buildup, avoid breathing decomposition gases

Accidental Release Measures

Personal Precautions: Avoid skin and eye contact, ventilate area
Environmental Precautions: Prevent product from entering drains or surface waters
Cleanup Methods: Absorb with inert material like sand or vermiculite, collect and place in suitable containers for disposal
Reference to Other Sections: Refer to Exposure Controls and Disposal Considerations for safe handling and disposal
Spill Response: Wear gloves and goggles, use non-sparking equipment during clean-up, wash spill area thoroughly when complete

Handling and Storage

Handling: Use only in well-ventilated areas, avoid inhaling aerosols, prevent direct contact with eyes or prolonged skin exposure
Storage: Store in tightly closed containers, in cool and dry location, keep away from heat and direct sunlight, protect from freezing
Specific Requirements: Segregate from strong oxidizers, acids, or bases
Storage Stability: Polyquaternium-7 remains stable for at least 2 years under recommended storage conditions
Hygiene Measures: Wash thoroughly after handling, keep work areas clean

Exposure Controls and Personal Protection

Occupational Exposure Limits: None established for Polyquaternium-7
Engineering Controls: Ensure adequate ventilation, use local exhaust in areas where aerosols or mists are generated
Personal Protective Equipment: Wear safety glasses with side shields, suitable gloves (nitrile or rubber), protective clothing
Respiratory Protection: Use approved particulate respirator, especially where aerosol or mist may form
Environmental Exposure Controls: Minimize environmental contamination, treat wastewater as prescribed by local regulations

Physical and Chemical Properties

Appearance: Clear to slightly hazy, colorless to pale yellow viscous liquid
Odor: Faint, characteristic
Odor Threshold: Not determined
pH: 6.0 - 8.0 (as supplied)
Melting Point / Freezing Point: Approximately 0°C (decomposes below melting)
Boiling Point: >100°C (water-based solution)
Flash Point: Non-flammable
Evaporation Rate: Similar to water
Flammability: Does not support combustion
Vapor Pressure: Very low, similar to water
Relative Density: 1.00 - 1.10 g/cm³
Solubility: Easily soluble in water
Viscosity: 100–2000 mPa·s (varies by concentration)

Stability and Reactivity

Chemical Stability: Stable under normal temperature and recommended conditions
Reactivity: Not reactive under normal use
Conditions to Avoid: Strong oxidizers, strong acids or bases, extreme temperatures (below 0°C or above 40°C)
Hazardous Decomposition Products: On thermal decomposition, releases oxides of nitrogen, carbon, and amines
Hazardous Polymerization: Will not occur
Incompatible Materials: Avoid contact with strong reducing agents, oxidizers

Toxicological Information

Routes of Exposure: Eyes, skin, inhalation, ingestion
Acute Toxicity: Low toxicity for humans and animals (LD50 oral - rat: > 2000 mg/kg)
Skin Corrosion / Irritation: Mild irritation possible for sensitive skin
Eye Damage / Irritation: May cause slight transient irritation
Respiratory Effects: Mists may cause slight respiratory irritation
Chronic Effects: No evidence of chronic or delayed toxicity in humans
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA
Mutagenicity and Reproductive Toxicity: No evidence from available source data

Ecological Information

Ecotoxicity: Low toxicity to aquatic organisms (Fish LC50: > 100 mg/L), not expected to bioaccumulate
Persistence and Degradability: Partially biodegradable through hydrolysis and microbial action
Mobility in Soil: Predominantly remains in aqueous phase, limited adsorption to soils
Bioaccumulative Potential: Product molecules are too large to bioaccumulate
Other Adverse Effects: Not classified as hazardous for water environments, but minimize release to natural waters through proper treatment

Disposal Considerations

Product Disposal: Dispose of according to local, state, and federal regulations, treat as non-hazardous waste unless mixed with hazardous material
Contaminated Packaging: Rinse thoroughly, recycle or dispose of in accordance with applicable environmental regulations
Environmental Precautions: Avoid discharge to waterways, inform authorities if spill enters environment
Waste Treatment Methods: Use licensed waste disposal companies, incinerate or landfill as allowed

Transport Information

UN Number: Not regulated
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not classified
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant
Special Precautions for User: Transport in clean, tightly sealed containers, avoid spillage during transport
Transport Labels: Not required
ADR / RID / IMDG / IATA: Not hazardous under international transport regulations

Regulatory Information

TSCA (USA): Listed
EINECS / ELINCS (Europe): Listed
DSL (Canada): Listed
REACH (EU): Pre-registered
OSHA Hazard Communication: Not classified as hazardous
SARA Title III (Sections 311/312): Not listed
California Proposition 65: This product contains no substances known to the State of California to cause cancer, birth defects, or reproductive harm
Australian AICS: Listed
WHMIS (Canada): Not controlled
Other Regulations: Complies with EU Cosmetic Directive and other applicable chemical control regulations, always check current national and regional lists for status updates