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An in-depth chemical profile of CAS NO.: 68213-23-0 (C12-16 Pareth-9 Ethoxylate)
AEO-9 (Alcohol Polyoxyethylene Ether 9), chemically defined as C12-16 Pareth-9 under the INCI system, is a highly versatile, nonionic surfactant synthetically derived from the ethoxylation of linear C12-16 fatty alcohols. Possessing an average of 9 moles of ethylene oxide (EO) per molecule, this compound functions as an industry benchmark surfactant, wetting agent, and emulsifier due to its highly optimized hydrophilic-lipophilic balance (HLB) value.
The manufacturing process involves reacting high-purity natural fatty alcohols (derived from coconut or palm kernel oil feedstocks) with ethylene oxide gas under precise thermodynamic controls. This generates a narrow-range oligomer distribution, reducing impurities like free polyethylene glycol (PEG) and unreacted alcohols, resulting in a product with exceptional thermal stability, chemical tolerance, and biodegrability.
| Parameters | Technical Specifications | Testing Standards |
|---|---|---|
| CAS Number | 68213-23-0 | N/A |
| Chemical Formula | RO(CH2CH2O)9H (R = C12-16 Alkyl Chain) | Structural Analysis |
| HLB Value (Hydrophilic-Lipophilic Balance) | 13.0 – 13.5 | Calculated Value |
| Active Substance Content (%) | ≥ 99.0% | GB/T 5173-1995 |
| Cloud Point (°C) | 80.0 – 90.0°C (1% Aqueous Solution) | GB/T 5559-2010 |
| pH Value | 5.0 – 7.0 (1% Aqueous Solution) | GB/T 6368-2008 |
| Water Content (%) | ≤ 1.0% | GB/T 11275-2007 |
| Color (Hazen) | ≤ 50 Pt-Co Scale | GB/T 3143-1982 |
How AEO-9 drives efficacy in personal care formulations and high-performance home cleaning products
Within luxury cosmetic formulations and daily hygiene products, AEO-9 acts as an excellent O/W (oil-in-water) emulsifier. Its mild dermatological properties and high cloud point enable stabilizing delicate micro-emulsions in cream lotions, makeup removers, facial washes, and transparent liquid soaps. It effectively solubilizes essential oils and fragrances without altering the final product viscosity or foaming characteristics.
In laundry detergents, spot treatments, and dishwashing liquids, AEO-9 acts as a powerful grease cutting nonionic surfactant. It exhibits high tolerance toward water hardness, minimizing the precipitation of calcium and magnesium salts on fabrics. Formulations incorporating C12-16 Pareth-9 demonstrate outstanding washing characteristics at lower temperatures (20°C - 30°C), supporting global environmental energy-conservation trends.
For industrial surface cleaners, paint strip formulations, and textile auxiliaries, AEO-9 delivers extremely fast wetting dynamics. By lowering the surface tension of aqueous systems to less than 30 mN/m, it allows washing liquor to penetrate microscopic fissures in substrate surfaces, displacing complex grease and organic waxes. It has replaced nonylphenol ethoxylates (NPEs) as the premier eco-compliant industrial detergent base.
At Suzhou Yuantairun Chemical Co., Ltd. (YTR), we leverage digital chemical engineering paradigms to deliver a resilient, high-volume production ecosystem for our worldwide partners. Our manufacturing facility in Jiangsu utilizes state-of-the-art Distributed Control Systems (DCS) for the precise catalytic synthesis of AEO-9. By automating gas-flow ethoxylation parameters, we achieve trace-level narrow range molecular weight distributions with zero structural variance.
By employing lean manufacturing strategies alongside automated warehouse operations, we guarantee that raw materials transit seamlessly from standard synthesizers to final ocean freight containerization. This allows us to scale production without sacrificing safety, compliance, or chemical excellence.
The engineering evolution of ethoxylates to meet modern eco-labels and low trace impurity standards
Under strict regulatory guidelines (such as New York State Senate Bill S4389B, limiting 1,4-dioxane to 1 ppm in household cleaning and personal care products), YTR has upgraded its post-reaction degassing columns. Our custom industrial thin-film stripping systems successfully reduce 1,4-dioxane down to minimal, non-detectable traces. This safeguards your brand's compliance status when importing finished goods into North American and European markets.
The future of fatty alcohol ethoxylation is inherently green. Our R&D team is continually scaling our carbon-neutral product catalog by substituting petrochemical linear alcohols with renewable coconut/palm-kernel oil options (RSPO MB certified). This reduces the cradle-to-gate greenhouse gas emissions of AEO-9 by up to 45%, providing our global partners with reliable LCA data to meet their corporate scope 3 ESG targets.
Providing seamless localization, documentation, and certifications for cross-border logistics
Operating as a reliable exporter requires more than manufacturing capability; it demands localized regulatory expertise.苏州 Yuantairun Chemical Co., Ltd. ensures full transparency by supplying complete compliance dossier documentation for international port arrivals:
We provide OR (Only Representative) cover certificates for the EU chemical trading block, ensuring safe AEO-9 tonnage distribution.
We draft GHS-compliant Safety Data Sheets translated into more than 15 global languages to simplify dangerous-goods handling declarations.
Our surfactants support Eco-Labeling standards, ensuring raw materials align with cosmetic clean beauty criteria.
We recognize that cosmetic manufacturers and industrial blender clients have divergent process parameters. Suzhou Yuantairun offers customization options to meet specific formulation parameters:
Scientific answers detailing CAS 68213-23-0 / AEO-9 chemistry and usage parameters
Work directly with an established ISO 9001:2015 chemical factory. We provide customized formulation consulting, logistics support, and global shipping.
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