Guar hydroxypropyltrimonium chloride

Product Details

CasNo： 65497-29-2

MF： C6H16NO2.xCl.x

Appearance： powder

Delivery Time： 15 days

Packing： 25kg/bag

Purity： 90%

1. Basic Information

• English Name: Guar Hydroxypropyltrimonium Chloride; GHPC
• Chinese Name: 瓜尔胶羟丙基三甲基氯化铵；羟丙基三甲基铵瓜尔胶醚
• CAS Number: 68424-42-8
• Chemical Structure: A β-D-mannopyranose backbone (1→4 linked), with one α-D-galactopyranose side chain (1→6 linked) attached to every two mannose units. Some hydroxyl groups are substituted with hydroxypropyltrimethylammonium chloride groups (-O-CH₂CH(OH)CH₂N⁺(CH₃)₃Cl⁻).
• Molecular Characteristics:
  • Degree of Substitution (DS, number of cationic group substitutions): 0.1–0.4 (mainstream industry range, determining cationic activity).
  • Molecular Weight: 100,000–2,000,000 Da (a characteristic of natural polysaccharides, affecting viscosity and film-forming properties).
• Common Synonyms: Cationic Guar Gum; Guar Quaternary Ammonium Salt; Guar Hydroxypropyltrimonium Chloride Ether

2. Physical and Chemical Properties

3. Key Performance Characteristics

1. Excellent Hair Conditioning: Dual Effects of Repair and Smoothness
   GHPC’s cationic groups firmly adsorb onto the negatively charged hair cuticle surface via electrostatic interaction, forming a breathable protective film that delivers multiple conditioning benefits:

• Smoothness & Anti-Tangling: Fills gaps in the hair cuticle, reducing the friction coefficient between hair strands (tests show a 40%–60% decrease in frictional resistance). Wet hair becomes easy to comb, while dry hair feels soft and smooth, improving "frizzy and split-end" issues.
• Moisturizing & Repair: Hydroxyl groups (-OH) on the polysaccharide backbone form hydrogen bonds with water molecules, locking in hair moisture and reducing dryness after blow-drying. Particularly effective for color- or heat-damaged hair, it helps seal lifted cuticles and enhance hair shine.
• Anti-Static: Cationic charges neutralize negative charges on the hair surface, preventing static adsorption (e.g., hair clinging to the face or frizzing) in dry environments, maintaining long-lasting voluminous hairstyles.

1. Gentle Skin Care Properties: Low Irritation & Moisturization
   Compared to synthetic cationic conditioners (e.g., Polyquaternium-10), GHPC is derived from natural guar gum, offering higher biocompatibility:

• Low Irritation: Scores ≤ 0.2 (on a 10-point scale) in skin irritation tests (OECD 404 standard) with no sensitization, suitable for sensitive skin and baby skin care products.
• Moisturizing & Film-Forming: Forms a thin, breathable polysaccharide film on the skin surface, reducing transepidermal water loss (TEWL) by 15%–20% without clogging pores or causing "acne breakouts."
• Auxiliary Cleansing: Mild surface activity aids in emulsifying sebum on the skin surface, enhancing cleansing power without damaging the skin barrier.

1. Efficient Thickening & Formulation Stabilization
   The long-chain polysaccharide structure of GHPC entangles in aqueous solutions, providing both thickening and suspending functions:

• Thickening: Adding 0.1%–0.5% to shampoos significantly increases system viscosity (1% aqueous solution can reach 2,000–5,000 mPa·s). Its thickening effect is less affected by pH than traditional thickeners (e.g., sodium chloride).
• Suspension Stability: Stabilizes fine particles (e.g., exfoliating beads, plant extracts) in formulations, preventing stratification or sedimentation and extending product shelf life.
• Foam Optimization: When compounded with anionic surfactants, it refines foam (making it denser) and improves foam stability (extending foam half-life by 30%).

1. Natural Origin & Sustainability: Aligning with Green Consumption Trends
   GHPC is made from natural guar beans (containing 30%–40% guar gum) sourced from India and Pakistan, with renewable raw materials and excellent biodegradability:

• Biodegradability: Complies with the EU OECD 301B standard, achieving ≥ 90% biodegradation in 28 days with no environmental accumulation risk.
• Green Certifications: Premium grades hold ECOCERT and COSMOS organic certifications, meeting consumer demand for "natural and eco-friendly" products and helping brands build a sustainable image.

4. Main Application Fields

1. Hair Care Products (Core Scenario)

2. Skin Care Products

• Gentle Cleansers: Adding 0.1%–0.3% reduces surfactant irritation to the skin, leaving no tightness after washing and aiding in suspending plant extract particles.
• Moisturizing Lotions/Creams: Adding 0.2%–0.5% enhances product moisturization, forms a breathable protective film, and improves spreadability during application.
• Baby Care Products (e.g., baby body washes, lotions): Adding 0.1%–0.4% leverages its low irritation and gentle conditioning properties to protect the delicate skin barrier of infants.

3. Other Fields

• Oral Care: Adding 0.1%–0.2% to toothpaste thickens the formulation, improves texture, and forms a protective film on teeth to assist in preventing plaque.
• Pet Care: Adding 0.3%–0.8% to pet shampoos reduces pet hair tangling, enhances smoothness, and is non-irritating to pet skin.
• Textile Dyeing: Used as a fabric softener to replace traditional synthetic quaternary ammonium salts, imparting a natural soft texture to fabrics with easy biodegradability.

5. Safety & Usage Guidelines

1. Usage & Handling

• Dissolution Method:
  1. Slowly sprinkle GHPC powder into stirred cold water (20–30°C optimal) at a stirring speed of 300–500 rpm to avoid agglomeration.
  2. Stir for 10–15 minutes until fully dissolved (transparent, particle-free aqueous solution), then add other ingredients (e.g., surfactants, preservatives).
  3. When compounding with anionic surfactants, dissolve GHPC first, then slowly add the anionic component to prevent sudden association, which may cause abnormal viscosity or precipitation.
• Dosage Control: Excessive addition (> 2%) may cause "greasiness" on hair or skin. Adjust based on product type (shampoos ≤ 0.8%, conditioners ≤ 2%).
• Temperature Control: Dissolution and subsequent processing temperatures should not exceed 60°C; high temperatures cause GHPC molecular chain breakage, reducing viscosity and conditioning effects.

2. Safety Protection

• Skin Contact: GHPC powder is non-irritating to the skin; no special protection is required during handling. If a small amount of powder is inhaled, ventilate the area—no health risks.
• Eye Contact: Powder or high-concentration solutions may cause mild discomfort if they enter the eyes. Immediately rinse with plenty of water for 15 minutes; no special treatment is needed.
• Oral Toxicity: Acute oral LD₅₀ (rat) > 5,000 mg/kg (extremely low toxicity), with no oral risk (no swallowing occurs during normal use of cosmetic products).

3. Environmental & Regulatory Compliance

• Biological Safety: A modified natural polysaccharide product with no ecological toxicity. It is biodegradable after wastewater discharge and does not affect aquatic environments.
• Regulatory Compliance: Complies with EU CosIng, US FDA 21 CFR, and China’s Cosmetic Safety Technical Specification (2024 Edition), with no prohibition or restriction risks. Organic certified products (e.g., ECOCERT) must meet the requirement of ≥ 95% natural ingredients.

6. Packaging & Storage

1. Packaging Specifications

• Cosmetic-Grade Standard Packaging: 25 kg/bag (inner polyethylene vacuum bag, outer kraft paper composite bag), moisture-proof and pollution-proof, with a product certificate and quality inspection report included in each bag.
• Organic Certified Grade: 25 kg/bag (inner sterile polyethylene bag, outer aluminum-plastic composite bag), compliant with ECOCERT/COSMOS packaging standards, with traceable raw material sources.
• Sample Sizes: 100 g/bottle, 500 g/bag, for customer formulation testing and small-batch trials.

2. Storage Conditions

• Storage Environment: Store in a cool, dry, well-ventilated warehouse (temperature: 5–35°C, relative humidity: < 60%); avoid direct sunlight, rain, or proximity to heat sources (e.g., heaters, boilers).
• Moisture-Proof & Sealing: Unopened products require no special treatment during their shelf life; after opening, seal the bag immediately to prevent moisture absorption and caking (caked powder can be crushed and redissolved without performance loss).
• Shelf Life: Unopened GHPC has a shelf life of 24 months when stored at room temperature in a sealed container; after opening, use within 3 months to avoid moisture absorption or microbial contamination from long-term exposure.