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An authoritative analysis of chemical composition, performance characteristics, and thermodynamic stability in advanced personal care and industrial solutions.
Lauryl Hydroxysultaine (LHS), identified by CAS registry number 13197-76-7 (EC Number 236-161-9, INCI Name: Lauryl Hydroxysultaine), represents a premium-tier, high-performance zwitterionic amphoteric surfactant. Characterized by its quaternary ammonium ion and a hydroxy-substituted sulfonate functional group within its hydrophilic headpiece, LHS offers unprecedented mildness, flash-foaming synergy, and electrolyte tolerance compared to traditional alkyl betaines and carboxylated amphoterics.
Unlike standard Cocamidopropyl Betaine (CAPB), Lauryl Hydroxysultaine maintains a stable, permanently ionized zwitterionic structure across an exceptionally wide pH spectrum (pH 2.0 to 12.0). The presence of the hydroxyl hydroxyl-sulfobetaine moiety enhances water solubility, lowers the critical micelle concentration (CMC), and minimizes ocular and dermal irritation, establishing LHS as the foundational surfactant of choice for next-generation sulfate-free cleansers, sensitive skin care formulations, and harsh industrial environments.
| Parameter / Specification | Industrial Standard Grade | High-Purity Cosmetic Grade (LHS-35) | Analytical Testing Method |
|---|---|---|---|
| Chemical Structure | C17H37NO4S | N-(3-lauramidopropyl)-N,N-dimethyl-N-(2-hydroxy-3-sulfopropyl)ammonium betaine | NMR / FTIR Spectroscopy | |
| Appearance (25°C) | Clear to slightly hazy liquid | Clear, colorless to pale straw liquid | Visual Inspection |
| Active Matter (w/w %) | 30.0% – 32.0% | 34.0% – 36.0% | Two-Phase Titration (GB/T 5170) |
| Sodium Chloride (NaCl %) | ≤ 6.5% | ≤ 4.8% (Ultra-Low Salt) | Potentiometric Titration |
| Free Amine Content (%) | ≤ 1.0% | ≤ 0.3% (Hypoallergenic Grade) | Gas Chromatography (GC) |
| pH (10% aqueous solution) | 5.5 – 7.5 | 6.0 – 7.5 | pH Meter (25°C) |
| Color (Hazenc / APHA) | ≤ 100 | ≤ 30 | Colorimetry (ASTM D1209) |
| Free Monochloroacetic Acid / DCA | ≤ 10 ppm | Undetectable (< 1 ppm) | HPLC-MS/MS |
Lauryl Hydroxysultaine demonstrates significantly lower Zein test scores (dermal protein denaturation), proving superior mildness over CAPB. Additionally, LHS provides 25% higher foam density in hard water conditions and shows zero viscosity collapse in acidic formulations down to pH 3.5.
When combined with Sodium Cocoyl Isethionate (SCI), Sodium Lauroyl Methyl Isethionate (SLMI), or Sodium Lauryl Ether Sulfate (SLES), LHS creates tight mixed micelles. This micellar restructuring boosts viscosity build-up while reducing required electrolyte (salt) levels by up to 40%.
The sulfobetaine head group maintains surface activity in high-salinity brines (up to 200,000 ppm TDS) and high concentrations of Ca2+ and Mg2+ ions, preventing precipitation in industrial cleaning and oilfield foam applications where standard surfactants fail.
Leveraging Shandong's world-class chemical cluster, continuous synthesis automation, and robust vertical integration to deliver unmatched cost efficiency and quality stability.
JIMPOCHEM's strategic placement within Jinan Chemical Park provides direct pipeline integration with upstream fatty amine and epichlorohydrin refineries. By controlling the entire reaction cascade—from lauryl dimethylamine quaternization to ring-opening sulfonation with sodium 3-chloro-2-hydroxypropanesulfonate—we eliminate raw material price volatility and ensure a consistent, non-interrupted supply chain for global FMCG brand owners.
Our production facilities utilize state-of-the-art DCS-controlled continuous micro-channel reactors. This technology guarantees precise thermal management during the exothermic alkylation phase, preventing product discoloration and minimizing harmful side-products. We consistently guarantee free amine content below 0.3% and residual dichloroacetic acid (DCA) below 1 ppm, far exceeding standard international quality thresholds.
We provide tailored logistics solutions to meet diverse international receiving infrastructure requirements. Our Lauryl Hydroxysultaine is supplied in UN-certified 200kg HDPE drums, 1000kg IBC totes, and 24,000L temperature-controlled ISO Tanks. With dedicated port logistics teams in Qingdao and Tianjin, we ensure full export compliance, rapid customs clearance, and lead times optimized for transoceanic delivery.
In accordance with global net-zero strategies, our Jinan manufacturing center operates advanced closed-loop MVR (Mechanical Vapor Recompression) wastewater treatment and zero-emission volatile organic compound (VOC) scrubbing systems. Our Lauryl Hydroxysultaine synthesis process adheres to Green Chemistry principles, utilizing readily biodegradable vegetable-derived lauryl precursor feeds.
Unlocking formulation potential across high-end personal care, clinical dermatological cleansers, heavy-duty industrial degreasers, and oilfield applications.
Ideal for luxury clear shampoos, facial cleansers, and body washes. LHS boosts foaming kinetics, imparts a rich creamy feel, and neutralizes the harsh skin-stripping effects of secondary surfactants. It acts as an outstanding conditioning secondary surfactant for color-treated hair care formulations.
Due to ultra-low ocular irritability (proven by HET-CAM and EpiOcular testing), Lauryl Hydroxysultaine is extensively used in tear-free baby shampoos, sensitive acne washes, and intimate hygiene products requiring strict microbiological and toxicological safety profiles.
Exhibiting high chemical stability in concentration nitric, phosphoric, or hydrofluoric acid systems as well as caustic sodium hydroxide baths, LHS serves as a superior wetting agent and foamer for metal surface finishing, transport cleaning, and brewery CIP systems.
In high-temperature, high-salinity reservoir conditions, LHS acts as a high-efficiency foaming agent for gas-flooding and steam-injection EOR processes. Its thermal degradation threshold exceeds 180°C, outperforming traditional betaines in subterranean environments.
LHS enhances soil detachment and emulsification in concentrated kitchen degreasers, bathroom tile cleaners, and car wash detergents, providing spot-free rinsing and static suppression on non-porous surfaces.
Acts as an anti-drift adjuvant and tank-mix surfactant for crop protection chemicals. LHS improves foliage adhesion and systemic absorption of water-soluble herbicides and fungicides while remaining environmentally safe and non-phytotoxic.
JIMPOCHEM guarantees complete international compliance, safety documentation, and batch-to-batch traceability for frictionless market entry worldwide.
Our Lauryl Hydroxysultaine is fully registered and compliant across key global regulatory jurisdictions:
Every shipment of JIMPOCHEM Lauryl Hydroxysultaine is accompanied by comprehensive analytical testing suites generated in our modern R&D laboratories:
Direct, expert answers to key technical, formulation, and procurement questions regarding CAS 13197-76-7.
Established in 2010 and headquartered in the Jinan Chemical Industry Park, Shandong Province, JIMPOCHEM CO., LTD spans over 500 acres of modern chemical manufacturing infrastructure. Integrating advanced research and development, continuous production, global logistics, and technical formulation services, we specialize in high-end fine chemicals and cosmetic raw materials.
Our core engineering team brings together chemical industry veterans with over 16 years of hands-on experience. Certified under ISO quality and environmental management systems, JIMPOCHEM serves over 5,000 corporate clients across 200 countries and regions in Europe, North America, Southeast Asia, the Middle East, and Oceania. We serve as a trusted designated strategic supplier for internationally renowned chemical entities worldwide.
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