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ACUSOL™ 588 Dispersant

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A detergent polymer shows exceptional calcium polyphosphate dispersing properties in dishwashing detergent formulations and Gypsum Components.

Features & Benefits

  • Safe and easy-to-handle liquid and easy to formulate (wide range of alkalinity level, bleach stable, excellent surfactant compatibility)
  • Effective dispersant for a wide choice of formulations
  • Very good filming inhibition on glasses and dishes
  • Excellent inhibition of crystal growth and dispersion of precipitates in the cleaning bath
  • Prevents the redeposition of soil onto the fabric or hard surface, lime soap encrustation in liquid laundry products containing fatty acid soaps
  • Highly effective in maintaining whiteness and providing lime soap dispersion for liquid laundry detergents
  • Reduced fabric harshness/fabric encrustation
Function: Builder, Scale Inhibitor, Dispersant
Labeling Claims: Non-GMO, Allergen-free, BSE-free, Animal Products-free, Not Listed In California Proposition 65, Preservative-free, CleanGredients (DfE), CMR Substances-free, TSE-free
End Uses: Automatic Dishwash
Product Resources

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Identification & Functionality

Chemical Note
  • Sulfonated water-soluble acrylic copolymer supplied as the partially neutralized sodium salt in water

ACUSOL™ 588 Dispersant Features & Benefits

Key Attributes

ACUSOL™ 588 Polymer is a unique copolymer specifically designed for phosphate and reduced/no phosphate compositions containing formulations in powder, liquid, or tablet form. Its chemical structure and molecular weight are optimized to provide calcium polyphosphate and phosphonate, as well as magnesium silicate inhibition properties, resulting in reduced filming on glasses and dishes in automatic dishwashing or improved fabric softness and whiteness in laundry detergents.

ACUSOL™ 588 Polymer is a copolymer of acrylic and sulphonic acids optimized for the following features:

  • Anti-precipitation: ACUSOL™ 588 will inhibit precipitation of calcium polyphosphate and phosphonate, as well as insoluble silicate salts in the wash bath due to absorption properties on seeds and growing particles. The controlled precipitation of these sparingly soluble salts will reduce the phenomenon of filming, which is due to deposition of precipitating builders on the various surfaces encountered in automatic dishwashing: stainless steel, ceramics, and glass.
  • Dispersing properties: ACUSOL™ 588 is an excellent dispersant for calcium polyphosphate/phosphonate and magnesium silicate base scales. It will keep them dispersed in the wash bath and avoid their deposition and build-up that would cause filming on surfaces.

Note: ACUSOL™ 588 is also available as granules under ACUSOL™ 588G Polymer or powder under ACUSOL™ 588D Polymer names.

Applications & Uses

Home Care Applications
  • Automatic dishwashing detergent formulations
  • Laundry detergent formulations
  • Water-softener additives
  • Hard surface cleaners and bleach formulations
  • Industrial and institutional: laundry, ware-wash, bottle-wash and metal-cleaning products
Formulation Advice

ACUSOL™ 588 Polymer can be combined with acrylic homopolymers such as ACUSOL™ 445G, ACUSOL™ 445NG, ACUSOL™ 420NG, ACUSOL™ 425N in order to boost the filming inhibition performance due to specific calcium carbonate inhibition properties. This combination is particularly recommended for the all-in-one tablets, to alleviate the heavy precipitating conditions arising from higher calcium and magnesium levels in the wash bath.
To obtain an optimal efficiency, ACUSOL™ 588 Polymer should be used at levels between 50 and 500 ppm in the wash bath for household or industrial purposes. This will corespond to 1–8% of ACUSOL™ 588 in the washing powders.


Physical Form
Clear hazy colorless to yellow liquid free of visible impurities
Typical Properties
ValueUnitsTest Method / Conditions
Brookfield Viscosity (at 25°C, LV, Spindle 1, 12 rpm)150 - 500cPDOWM 102715
Color (APHA)0 - 200HazenDOWB 508010
Molecular Weight18000 - 20000--
pH3.70 - 4.70-DOWM 102574
Solids Content (Forced Draft Oven at 150°C, 0.6 g, 60 min)36.00 - 38.00%DOWM 102570

Regulatory & Compliance

Technical Details & Test Data

Formulation Example

Gel it Well - Automatic Dish Washing Gel

ACUSOL™ 588 Liquid Polymer was formulated in the following Automatic Dish Washing Gel combined with anti-spotting surfactant ECOSURF™ Bright 1 and TERGITOL™ 15-S-9 Surfactants, a nonionic surfactant to boost cleaning performance on fat.


Disperse ACUSOL™ 810A Rheology Modifier in water at 300 rpm until homogeneous. Separately, mix ECOSURF™ Bright 1 and TERGITOL™ 15-S-9 Surfactants, at 50ºC, then add this blend to ACUSOL™ 810A solution. Add ACUSOL™ 588 Polymer and Trilon M one after the other and mix until homogeneous. Adjust pH to 8.5 with citric acid at 30%. Add the other ingredients and mix until homogeneous.

Trade Name / Supplier % Wt Ingredient description
Water 40  
ACUSOL™ 810A Rheology Modifier / Dow 8 Thickening agent - ASE polymer
TERGITOL™ 15-S-9 Surfactant / Dow 6.7 Secondary alcohol ethoxylate
ECOSURF™ Bright 1 Surfactant / Dow 2.6 Specialty alcohol alkoxylate
ACUSOL 588™ Polymer / Dow 6.4 Acrylic copolymer
Trilon M / BASF 19.4 MGDA
Cublen K8514G / Zschimmer & Schwarz 3.8 HEDP
Citric acid 30% 11.8 pH adjustment
Medley Essential 100L / Novozymes 2.6 Enzymes
Clean Energy 097 / IFF 0.23 Fragrance
Liquitint Bright Yellow / Milliken & Company 0.04 Dye
Liquitint Cyan 15 / Milliken & Company 0.04 Dye
Benzisothiazolinone 0.2 Preservative
XIAMETER™ AFE-0020 Antifoam Emulsion / Dow 0.9 Foam control agent
Water QS 100%  


The final formulation is an opaque green liquid with a final viscosity1 of 560 Cps and a pH of 8.6. After the first week of ageing, the viscosity of the formulation remains stable for a month when stored at room temperature and 40ºC.

Shine Performance

Rinse test performed on Miele GLS2, Program: 50°C/8’/65°C, IKW soil, 6 cumulative wash cycles.

Figure 1: Visual Assessment of film & spot on glass from 0 (no deposit) to 5 (maximum deposit)

Shine Performance (Cont.)

Gel it Well formulation outshines the benchmark, a leading ADW Gel from the German Market, by reducing filming enabled by ACUSOL™ 588 Polymer and controlling spotting enabled by ECOSURF™ Bright 1 Surfactant.



This product is neither tested nor represented as suitable for medical or pharmaceutical uses.

Safety & Health

Health and Environmental Information

To support customers in their product safety needs, Dow has an extensive Product Stewardship organization and a team of product safety and regulatory compliance specialists available in each area.

Product Stewardship

Dow has a fundamental concern for all who make, distribute, and use its products, and for the environment in which we live. This concern is the basis for our product stewardship philosophy by which we assess the safety, health, and environmental information on our products and then take appropriate steps to protect employee and public health and our
environment. The success of our product stewardship program rests with each and every individual involved with Dow products - from the initial concept and research, to manufacture,
use, sale, disposal, and recycle of each product.

Customer Notice

Dow strongly encourages its customers to review both their manufacturing processes and their applications of Dow products from the standpoint of human health and environmental
quality to ensure that Dow products are not used in ways for which they are not intended or tested. Dow personnel are available to answer your questions and to provide reasonable technical support. Dow product literature, including safety data sheets, should be consulted prior to use of Dow products. Curent safety data sheets are available from Dow.

Packaging & Availability

Packaging Information

ACUSOL™ 588 Polymer is available in bulk and 1200 kg IBCs. ACUSOL™ 588G Polymer is available in 900 and 1000 kg bags.

Storage & Handling

Handling Precautions

Product Safety Information Required for Safe Use is Not Included in this Document. Before Handling, Read Product and Safety Data Sheets and Container Labels for Safe Use, Physical and Health Hazard Information. The Safety Data Sheet is Available on The Dow Website at Dow.Com, or from Your Dow Sales Application Engineer, or Distributor, or by Calling Dow Customer Service.

Usable Life and Storage

Keep from freezing. This emulsion product as supplied will ireversibly coagulate upon freezing. Extended exposure to temperatures above 40°C may also coagulate the polymer emulsion and render it unsuitable for use.

Disposal Considerations

Dispose in accordance with all local, state (provincial) and federal regulations. Empty containers may contain hazardous residues. This material and its container must be
disposed in a safe and legal manner.

It is the user’s responsibility to verify that treatment and disposal procedures comply with local, state (provincial) and federal regulations. Contact your Dow Technical Representative
for more information.

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