Galsilk (Polyquartenum)

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Galsilk (Polyquartenum) is a water-soluble cationic polymer known chemically as Polyquaternium-7. It is widely used as a conditioning agent in personal care and cosmetic formulations, prized for its excellent substantivity to hair and skin, providing softness, smoothness, and antistatic effects. This polymer is typically supplied as a clear to slightly hazy viscous liquid or gel. It is compatible with a broad range of surfactants and ingredients, enhancing the sensory profile of shampoos, conditioners, styling products, and skincare formulations. Galsilk 700 is also valued for its film-forming properties and ability to improve product stability.

Description

Galsilk (Polyquartenum)

Primary Uses 

  1. Hair Care Products
  • Acts as a conditioning agent in shampoos and conditioners, reducing static electricity and improving combability and softness.
  • Forms a protective film on the hair shaft, reducing frizz and enhancing shine and manageability.
  • Used in leave-in conditioners, hair masks, and styling gels for enhanced texture and conditioning benefits.
  1. Skin Care and Cosmetics
  • Provides skin conditioning and moisturization in lotions, creams, and cleansers by forming a light film that retains moisture.
  • Helps improve skin feel by reducing tackiness and dryness after product application.
  • Functions as a thickening and stabilizing agent in various cosmetic formulations.
  1. Personal Hygiene Products
  • Incorporated in body washes, facial cleansers, and hand soaps to improve skin softness and reduce irritation.
  • Enhances foaming and mildness of surfactant systems.
  1. Other Uses
  • Employed in hair dyes and perms as a conditioning additive to reduce damage and improve hair texture post-treatment.
  • Used in some industrial formulations requiring film-forming, antistatic, or lubricating properties.

 

Secondary Uses 

  1. Textile and Leather Processing
  • Used as a finishing agent to provide softness, antistatic properties, and improved surface feel on textiles and leather.
  1. Pharmaceutical Applications
  • Investigated as a film-forming agent and stabilizer in topical formulations.
PRODUCT KEY FEATURES
  1. Basic Identification Attributes 
  • Chemical Name: Polyquaternium-7 (Poly[dimethyl ammonium chloride-co-ethylene glycol])
  • Common/Trade Name: Galsilk 700, Polyquaternium-7
  • CAS Number: 26062-79-3
  • HS Code: 3906.90
  • Molecular Formula: Copolymer (varies, complex polymeric structure)
  • Synonyms: Polyquaternium-7, PQ-7, Cationic Polymer 7
  1. Physical & Chemical Properties 
  • Physical State: Viscous liquid or gel
  • Color & Odor: Clear to slightly hazy, pale yellow; mild odor
  • pH: Typically 4.5–6.5 (1% aqueous solution)
  • Solubility: Fully soluble in water; insoluble in organic solvents
  • Viscosity: 2,000 – 15,000 cP (depending on concentration and molecular weight)
  • Stability: Stable in pH range 3–9; sensitive to strong acids and bases
  1. Safety & Hazard Attributes 
  • Hazard Class (GHS): Generally low hazard; non-irritant or mild irritant
  • Toxicity: Low acute toxicity; non-sensitizing
  • Exposure Limits: No specific occupational exposure limits established
  1. Storage & Handling Attributes 
  • Storage Conditions: Store in a cool, dry place away from direct sunlight and freezing temperatures
  • Container Type: Plastic drums or containers with secure lids
  • Shelf Life: 12–24 months under recommended conditions
  • Handling Precautions: Avoid freezing and prolonged exposure to high temperatures
  1. Regulatory & Compliance Attributes 
  • Compliant with cosmetic regulations including EU Cosmetics Regulation and FDA guidelines for cosmetic ingredients
  • Registered under REACH and other relevant inventories
  1. Environmental & Health Impact 
  • Biodegradability: Moderately biodegradable
  • Ecotoxicity: Low environmental toxicity at typical use concentrations
  • Bioaccumulation: Not expected to bioaccumulate
  • Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
SAFETY HANDLING PRECAUTIONS
  1. Safety Handling Precautions
  • PPE Required: Gloves and eye protection recommended when handling concentrated material
  • Handling Guidelines: Use in well-ventilated areas; avoid contact with eyes and prolonged skin exposure
  • Storage Measures: Avoid freezing and excessive heat; keep container tightly closed
  • Hygiene Practices: Wash hands after handling; avoid ingestion

 

  1. First Aid Measures
  • Inhalation: Not expected to be hazardous; move to fresh air if respiratory discomfort occurs
  • Skin Contact: Wash with soap and water; seek medical attention if irritation develops
  • Eye Contact: Rinse thoroughly with water for at least 15 minutes; consult physician if irritation persists
  • Ingestion: Rinse mouth; seek medical advice if large amounts ingested

 

  1. Firefighting Measures
  • Fire Hazards: Non-flammable; may support combustion if mixed with other flammable materials
  • Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide (COâ‚‚)
  • Special Precautions: Use protective equipment and self-contained breathing apparatus if necessary
  • Decomposition Products: May emit carbon oxides and nitrogen-containing compounds upon decomposition