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HS Code |
169395 |
| Chemical Name | Sodium Alkylphenol Polyoxyethylene Ether Sulfate |
| Appearance | Colorless to pale yellow liquid |
| Ionic Type | Anionic |
| Molecular Formula | C18H29NaO6S (variable based on alkyl and EO units) |
| Solubility | Easily soluble in water |
| Ph Range | 6.0 - 8.0 (1% aqueous solution) |
| Active Content | Typically 30%-70% |
| Surface Tension | Lowering effect, approximately 28-32 mN/m (1% solution) |
| Foaming Ability | Excellent, high and stable foam |
| Emulsifying Property | Good emulsifier |
| Biodegradability | Readily biodegradable |
| Thermal Stability | Stable under normal storage conditions |
As an accredited Sodium Alkylphenol Polyoxyethylene Ether Sulfate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Packaged in 200 kg blue plastic drums with secure lids, clearly labeled "Sodium Alkylphenol Polyoxyethylene Ether Sulfate, 200 kg net." |
| Shipping | **Shipping Description for Sodium Alkylphenol Polyoxyethylene Ether Sulfate:** Ship in tightly sealed, corrosion-resistant drums or containers, away from strong acids and oxidizers. Protect from moisture, direct sunlight, and temperatures above 40°C. Label clearly as a surfactant chemical. Handle with appropriate personal protective equipment (PPE); follow applicable local, national, and international regulations for transport of chemicals. |
| Storage | **Sodium Alkylphenol Polyoxyethylene Ether Sulfate** should be stored in a cool, dry, and well-ventilated area, away from heat sources, direct sunlight, and incompatible materials such as strong acids and oxidizers. Keep the container tightly closed and properly labeled. Avoid moisture and prevent freezing. Use corrosion-resistant storage containers, and ensure proper spill containment measures are in place. |
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Purity 98%: Sodium Alkylphenol Polyoxyethylene Ether Sulfate with a purity of 98% is used in textile scouring processes, where it ensures efficient removal of natural oils and impurities. Viscosity Grade 500 mPa·s: Sodium Alkylphenol Polyoxyethylene Ether Sulfate at a viscosity grade of 500 mPa·s is used in emulsion polymerization, where it provides stable dispersion of monomers. Molecular Weight 550 Da: Sodium Alkylphenol Polyoxyethylene Ether Sulfate with a molecular weight of 550 Da is used in household detergent formulations, where it enhances foam stability and cleaning power. Melting Point 40°C: Sodium Alkylphenol Polyoxyethylene Ether Sulfate with a melting point of 40°C is used in cosmetic creams, where it aids emulsification and results in uniform texture. Particle Size <50 μm: Sodium Alkylphenol Polyoxyethylene Ether Sulfate with a particle size less than 50 μm is used in powder detergent production, where it improves dissolution rate and reduces residue. Stability Temperature up to 90°C: Sodium Alkylphenol Polyoxyethylene Ether Sulfate with stability temperature up to 90°C is used in industrial cleaning agents, where it maintains surfactant efficacy during high-temperature washing. pH 7 (neutral): Sodium Alkylphenol Polyoxyethylene Ether Sulfate at neutral pH 7 is used in personal care products, where it minimizes skin irritation and provides mild cleansing action. Residual Sulfate Content <1%: Sodium Alkylphenol Polyoxyethylene Ether Sulfate with residual sulfate content less than 1% is used in electronic component cleaning, where it delivers high-purity performance and prevents surface corrosion. Hydrophilic-Lipophilic Balance (HLB) 13: Sodium Alkylphenol Polyoxyethylene Ether Sulfate with HLB value of 13 is used in agrochemical formulations, where it enhances emulsification and ensures even distribution of active ingredients. Foam Height 180 mm: Sodium Alkylphenol Polyoxyethylene Ether Sulfate with foam height of 180 mm is used in car wash shampoos, where it provides rich and stable foam for effective soil removal. |
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Surfactants shape countless things around us, sometimes without a second thought from most people. Take Sodium Alkylphenol Polyoxyethylene Ether Sulfate (APS), for example. In many industries—detergent manufacturing, cleaning solutions, textiles—this compound has made daily tasks easier and production workflows more reliable. The model that sees wide use in industrial and commercial circles, APS-23, places the spotlight on performance thanks to a special blend of molecular chains and an optimally balanced sulfate group. Specifications generally land it as a pale yellow to clear liquid, with active matter hovering between 34% and 70% depending on the needs of the market.
Imagine washing a shirt stained with grease. Water alone often leaves behind a mark. Add APS, and the story flips—grease turns soluble, clothes come out clean. What makes it different from a run-of-the-mill surfactant is its remarkable ability to mix oil and water, a problem that many older or cheaper alternatives struggle with. The performance shines most in low-foam detergents and liquid hand soaps where gentle skin feel and rinsing are priorities. That matters to people like me—parents, workers in industrial cleaning, folks who don’t want soapy residues lingering. Years ago, working at a family-run laundry, I saw firsthand how APS-based cleaner saved time and water; rinses were shorter, and hands avoided that brittle dryness some harsher agents cause.
Breaking it down: APS sits in a sweet spot. Its molecular structure starts with an alkylphenol, which gives it the backbone for tackling stubborn dirt. Polyoxyethylene chains feed off that backbone, providing the flexibility to dissolve both oily and watery grime. The sulfate group at the end further improves wetting and cleaning, boosting solubility in both hard and soft water. Alkylbenzene sulfonates, sometimes used in cheaper detergents, tend to perform well in basic cleaning but stumble in soft skin applications or textile processes that demand low residue. APS, with its milder profile, sidesteps these issues.
I’ve watched industrial textile washing lines hum, powered by APS in the rinse tanks. Hospital linen washes, demanding sterilization and no leftover fragrance, run smoother because APS minimizes foaming while maintaining cleaning power. In shampoo labs, developers favor it over less sophisticated sulfates—it lets them create formulas that lather nicely without overwhelming the scalp. Even car washes count on it: the ability to lift oily dirt from windshields and tires, without etching paint or glass, has earned APS a solid following among auto detailers who care about the finish as much as speed.
Why do formulators choose APS over its chemical cousins? Sodium lauryl ether sulfate (SLES) or sodium alkylbenzene sulfonate dominate the big-brand detergent shelves. These older stalwarts deliver foam and basic cleaning, but APS smooths out rough spots. It plays nicer with skin—especially in liquid cleansers, body washes, and hand soaps—for a gentler feel. Years spent mixing different surfactants in pursuit of a non-drying dish soap has taught me to value ingredients that bridge the gap between performance and comfort. APS brings less irritation and speeds up rinsing, both big wins in settings where workers use cleaning solutions over long shifts.
APS also stands out for its resistance to hard water. Areas with high calcium and magnesium levels usually see regular surfactants falter: soap scum sticks, cleaning power drops, and surfaces need more scrubbing. APS resists this, keeping cleaning strong even when tap water quality is far from ideal. Compared to nonionic surfactants, APS rarely fails against heavy oils or stubborn proteins, making it a staple in food industry cleaning routines. Its chemical structure keeps it stable under a wide range of temperatures and pH, meaning it delivers consistent results day in, day out, season to season.
Environmental impact counts. In recent years, consumers have grown more wary of what they rinse down the drain. APS, thanks to the polyoxyethylene group, shows improved biodegradability compared to older surfactants. Studies from respected academic laboratories report faster breakdown in wastewater treatment systems. It remains less persistent in the environment, and forms degradation products with low aquatic toxicity. As a chemist concerned with green cleaning, I’ve had my share of battles replacing harsh, slow-to-breakdown compounds with something kinder to both people and planet. APS lets companies meet tightening regulations on phosphate and persistent organic pollutant content. It also lets independent businesses—local car washes, eco-friendly laundries—boast better environmental credentials.
You often see APS described by its ethoxylation degree and active matter content. APS-23 signals an average of 2 to 3 ethylene oxide units per alkylphenol, which offers a trade-off between cleaning force and softness for skin contact applications. Viscosity runs low compared to many sodium lauryl sulfates, making handling easier in industrial bulk storage and during automated mixing. Color varies—sometimes bordering clear, sometimes straw-colored—which signals minimal contaminants and reflects quality processing. The product’s pH, generally falling between 7 and 9 in solution, reduces corrosion risk for processing equipment, unlike more acidic alternatives.
Odor matters, too. Anyone who’s tried to mask the plasticky smell of a poor quality surfactant knows it can turn customers off. APS’s low odor makes it easier to craft gentle fragrance profiles in household and personal care products. In industrial contexts, the same lack of odor means fewer headaches for workers exposed to concentrated solutions through pumps and hoses all day.
APS is not without issues. Raw material sourcing increasingly faces scrutiny. Alkylphenols, one of the building blocks, come under regulatory review in many developed countries due to concerns about persistence and toxicity in aquatic environments. This has put pressure on chemical firms to innovate: newer nonylphenol-free alkyl chains and shorter polyoxyethylene chain versions address some of these concerns, but can bump up costs. If you’ve ever worked in formulation for an export-driven company, shifting regulatory demands force regular re-evaluation of supply chains and product blends.
Worker safety always deserves respect. While APS is milder than many sulfates, it’s still a chemical that can irritate if overused or improperly handled. Anyone mixing large batches in industrial settings needs gloves, goggles, and good ventilation. I’ve seen workplaces drop incident rates just by improving training and signage—simple steps, but they protect the folks turning barrels and measuring out solutions every shift.
Cleaner production isn’t just a buzzword in chemical manufacturing—it’s real practice. APS manufacturers improving purification steps, bringing down energy use per ton, and investing in closed-circuit water systems have already reported big jumps in efficiency and sustainability. In detergent blending, the shift toward using higher concentrations of APS in more diluted end products reduces packaging waste and transport emissions. From my own experience interviewing plant managers, those able to lean into process optimization often cut costs while meeting stricter emissions targets. Smarter automation of dosing lines, real-time monitoring of solution quality, and reusing wash water have all helped prove that industrial-scale impact can go hand in hand with profitability.
On the consumer side, switching to APS-based products often pays back in fewer health complaints about skin dryness or chemical smells. Because of its rinsability, less hot water gets wasted trying to clear off slippery residues—which leads to energy savings at the household scale. One small-trials study in a local laundromat found that swapping in APS detergents cut hot water usage by 12% over six months. Drier hands, lower bills—a practical win all around.
There’s room to grow. Research into greener building blocks for APS—the move from nonylphenol to branched-chain alcohols, for example—offers one path. Some companies turn to biobased alcohol sources, squeezing more renewable content into every liter. This reduces the overall environmental impact and appeals to brands invested in carbon footprint reduction. Coordination with water authorities ensures breakdown products don’t pile up downstream.
The answer isn’t a single magic bullet. Continued workplace safety education keeps people using APS safely and responsibly on large scales. Collaborations between manufacturers, users, and environmental advocates raise awareness of which versions of APS offer the lowest risk and highest performance. Up-to-date labeling, easier-to-understand safety sheets, and public sharing of best practices keep the community informed, helping both big corporations and local cleaning crews make solid choices.
Over years working alongside plant operators, soap formulators, and end users, one truth has become clear: no product stays at the top unless it walks the line between robust performance and responsible manufacturing. Sodium Alkylphenol Polyoxyethylene Ether Sulfate offers that balance. Scientists and policymakers will keep working to lower its footprint, while everyday users—families, workers, hospital laundry managers—benefit every time it helps clean stains, wash hair, or keep surfaces safe. Its story offers lessons that stretch well beyond chemistry textbooks: observe, listen, stay grounded, and never stop improving.
