Basic Information of Sodium Lauroyl Methylaminopropionate
• Product Name: Sodium Lauroyl Methyl Alaninate
• English Synonyms: Lauroylmethylalanine Sodium Salt, Sodium N-Lauroyl-N-methylalanine
• Industry Abbreviation: SLMA
• Molecular Formula: C16H30NNaO3
• Molecular Weight: 307.40 g/mol
• CAS Number: 21539-58-2
• EINECS Number: 244-429-3
• Product Grade: Cosmetic grade, Household chemical grade, Industrial grade (select according to application)
• Main Uses: Cosmetic surfactant, household chemical foaming agent, personal care emulsifier, mild cleansing ingredient
Physicochemical Properties of Sodium Lauroyl Methylaminopropionate
• Appearance and Odor: White to light yellow powder or granules, with a slight characteristic odor
• Solubility: Easily soluble in water, soluble in polar solvents such as ethanol and propylene glycol, insoluble in non-polar solvents such as oils and fats.
• Boiling Point: Decomposes (decomposition begins above 220℃, high-temperature treatment is not recommended)
• Melting Point: 145-150℃ (decomposition point, not an accurate melting point)
• pH (1% aqueous solution): 7.0-9.0 (neutral to weakly alkaline)
• Surface Tension: 30-35 mN/m (0.1% aqueous solution, 25℃)
• Foam Height: ≥180mm (Ross-Miles foam meter, 0.1% aqueous solution, 25℃)
• Other Characteristics: Good calcium soap dispersibility, good hard water resistance, excellent low-temperature stability
• Stability: Stable in the pH range of 5.0-10.0; avoid prolonged exposure to high temperatures and strong light
• Hazards: Practically non-toxic, non-irritating, not classified as a hazardous chemical; dust precautions are necessary in powder form
• Emergency Treatment: Skin contact: Rinse with water; Ingestion: Seek medical attention immediately; Inhalation of dust: Move to a well-ventilated area
Supplementary Technical Details for Sodium Lauroyl Methylaminopropionate
• Production Method: Produced by the reaction of lauric acid and methylalanine under alkaline conditions, followed by neutralization and purification to obtain the sodium salt.
• Acute Toxicity (LD50): Oral LD50 in rats: >10000 mg/kg (practically non-toxic); Skin Irritation: Non-irritating
• Chronic Toxicity: High safety for long-term use, meets cosmetic safety standards, non-irritating to eyes and skin.
• Upstream and Downstream Products (Raw Materials): Lauric acid, methylalanine, sodium hydroxide (or sodium carbonate), catalyst
• Customs Code: 34021300 (Surfactants)
• Main Impurities: Unreacted raw materials (≤1.0%), inorganic salts (≤0.5%)
• Environmental Characteristics: Biodegradability ≥90% (meets environmental requirements, environmentally friendly to aquatic environments)
• Transportation Methods: Sea freight, air freight, express delivery (selected based on customer’s geographical location and needs)
• Payment Methods: Telegraphic Transfer (T/T), Letter of Credit (L/C), Western Union, etc. (negotiable)
• Certifications: ISO9001 Quality Management System Certification, GMP Good Manufacturing Practice for Cosmetics, FDA Certification
• Technical Support: Provides product application technical guidance, formula optimization suggestions, and problem-solving solutions.
Packaging and Storage of Sodium Lauroyl Methylaminopropionate
• Packaging: 25kg/paper drum (with polyethylene liner), or customized packaging according to customer requirements
• Storage: Store in a cool, dry, and well-ventilated warehouse; avoid direct sunlight and humid environments
• Shelf Life: 24 months under specified storage conditions (from the date of manufacture)
• CAS No.: 21539-58-2
• EINECS No.: 244-429-3
• Product Characteristics: Low irritation, good foaming properties, good biodegradability, excellent compatibility
• Usage Restrictions: Avoid mixing with strong acids and strong oxidizing agents; not suitable for long-term storage at high temperatures
• Precautions: Wear a dust mask during operation; avoid inhaling dust; rinse eyes immediately with plenty of water if contact occurs
• After-Sales Service: Product analysis report (COA) and safety data sheet (MSDS) provided; free return and exchange for quality issues
Applications of Sodium Lauroyl Methylaminopropionate
Cosmetic Grade Sodium Lauroyl Methylaminopropionate
- Cosmetic grade Sodium Lauroyl Methylaminopropionate can be used as a main additive in personal cleansing products, such as facial cleansers, shampoos, and body washes.
- Cosmetic grade Sodium Lauroyl Methylaminopropionate is ideal for products specifically designed for infants, pregnant women, etc., and is the preferred choice for tear-free or hypoallergenic formulations.
- Cosmetic grade Sodium Lauroyl Methylaminopropionate is a gentle foaming agent for oral care products, and is often used in children’s toothpaste and toothpaste for sensitive gums.
Industrial Grade Sodium Lauroyl Methylaminopropionate
- Industrial grade Sodium Lauroyl Methylaminopropionate can be used in the preparation of industrial cleaning agents, commonly used for metal surfaces and textile fabrics. It is not strongly corrosive and can protect the cleaned substrate to the greatest extent.
- Industrial grade Sodium Lauroyl Methylaminopropionate is an effective component of textile auxiliaries, which helps to improve the adhesion of dyes to fabrics and improve the uniformity of dyeing and printing.
- Industrial grade Sodium Lauroyl Methylaminopropionate is a dispersant for coatings and inks, helping to improve product stability and prevent pigment precipitation.
- Industrial grade Sodium Lauroyl Methylaminopropionate is an auxiliary component of water treatment agents, helping to improve efficiency in wastewater treatment.
Cosmetic-Grade Sodium Lauroyl Methylaminopropionate
- Cosmetic-grade Sodium Lauroyl Methylaminopropionate is generally used in mid-to-low-end personal care products, helping to strike a balance between cost and safety.
- Cosmetic-grade Sodium Lauroyl Methylaminopropionate is an important ingredient in high-end household cleaning products and pet shampoos, improving skin feel and reducing irritation to animal skin.
Pharmaceutical-Grade Sodium Lauroyl Methylaminopropionate
Pharmaceutical-grade Sodium Lauroyl Methylaminopropionate can be used as a pharmaceutical excipient, for example, in topical pharmaceutical preparations (medical hand sanitizers, disinfectant gels, etc.); pharmaceutical creams/lotions (as an emulsifier to improve cream texture); and oral preparations (added in trace amounts to oral solutions and suspensions as a solubilizer/foaming agent), etc.
