AOS Liquid

Alpha Olefin Sulfonate Solution — Detergent Grade — Bulk supply across India & International Markets

What is AOS Liquid?

AOS Liquid is the aqueous solution form of Alpha Olefin Sulfonate, typically supplied at 38-40% active matter, designed for direct incorporation into liquid detergent and cleansing product formulations without the need for additional dissolution steps required by the powder form. It offers the same excellent foaming, hard water tolerance, and good biodegradability characteristics as AOS Powder, in a convenient liquid form suited to liquid product manufacturing processes.

Polychem Industries supplies AOS Liquid to liquid detergent manufacturers, dishwashing liquid producers, and personal care formulators across India and internationally. Its ready-to-use liquid form, combined with strong foaming and hard water performance, makes it a convenient and effective surfactant choice for manufacturers producing liquid cleaning and personal care products.

Available Grades

GradeFormPurityStandardApplications
Detergent GradeClear to pale yellow viscous liquid38–40% active matterIndustrial / DetergentLiquid detergents, dishwashing liquids, hand wash, shampoo base

Applications & Uses

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Liquid Detergent Manufacturing

Used as a primary or co-surfactant in liquid detergent formulations, providing strong foaming and cleaning performance with good tolerance to water hardness, valued for ease of incorporation directly into liquid formulation batches.

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Dishwashing Liquid Production

Widely used in dishwashing liquid formulations for its strong grease-cutting performance combined with rich, stable foam generation, particularly valuable for manual dishwashing products.

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Hand Wash & Personal Cleansing

Used in liquid hand soap and personal cleansing product formulations, contributing foaming and cleaning performance while offering a relatively mild profile compared to some harsher anionic surfactants.

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Shampoo Base Formulations

Used in certain shampoo and hair care formulations as a co-surfactant, contributing to foam quality and cleansing performance within the overall surfactant system of the formulation.

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Vehicle & Equipment Cleaning Liquids

Used in car wash shampoo and equipment cleaning liquid formulations, providing effective cleaning and foam-generating performance in these consumer and institutional cleaning products.

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Surfactant System Blending

Used in combination with other liquid surfactants such as SLES and amphoteric surfactants to develop balanced, cost-effective surfactant systems for various liquid cleaning product formulations.

Technical Specifications

AOS Liquid — Key Properties

Chemical FormulaSodium alpha-olefin sulfonate (C14-C16 chain), aqueous solution
CAS Number68439-57-6
Molecular WeightVariable (mixture of chain lengths)
AppearanceClear to pale yellow viscous liquid
Purity38–40% active matter
Active Matter38–40% (standard liquid grade)
Density / Bulk Density1.05–1.07 g/cm3
pH7.0 – 9.0 (as supplied)
Packaging Available200 L drums / IBC tanks / Bulk tanker
StorageStore in cool, dry place in sealed containers. Avoid freezing temperatures, which may cause separation. Shelf life 12 months.

Why Source AOS Liquid from Polychem Industries?

  • Detergent grade with consistent 38-40% active matter
  • Certificate of Analysis available on request
  • Ready-to-use liquid form for streamlined formulation
  • Excellent hard water tolerance and foaming performance
  • Reliable bulk supply for liquid detergent and dishwashing manufacturers
  • Export documentation experience for international shipments

Frequently Asked Questions

Why might a formulator choose AOS Liquid over AOS Powder?
AOS Liquid offers convenience for liquid product manufacturing, as it can be directly incorporated into liquid formulations without requiring a separate dissolution step needed when starting from powder form. This can streamline production processes for liquid detergent, dishwashing liquid, and personal care manufacturers, while AOS Powder may be preferred for detergent powder and bar formulations where a dry ingredient is more practical.
What active matter concentration is standard for AOS Liquid?
AOS Liquid is most commonly supplied at 38-40% active matter, which has become a standard commercial concentration balancing handling convenience, transport efficiency, and ease of formulation for liquid detergent and personal care product manufacturers.
Can AOS Liquid freeze or separate during storage?
AOS Liquid solutions can be sensitive to very cold storage temperatures, which may cause separation or crystallisation of the surfactant from solution. We recommend storing in temperature-controlled conditions above freezing, and if separation does occur, gentle warming and mixing can typically restore the product to its normal homogeneous liquid state.
Do you export AOS Liquid outside India?
Yes. We export to Bangladesh, Sri Lanka, Nepal, Bhutan, and South Africa with full export documentation. Contact us for export pricing and lead times.

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