Quick Search
Sokalan CP 5 Granules is a commercial granular sodium salt of an acrylic acid–maleic acid copolymer developed for detergent and cleaning formulations.
Sokalan CP 5 Granules belongs to the water-soluble anionic polycarboxylate family, with a high density of carboxylate groups supporting mineral dispersion and deposit control.
Sokalan CP 5 Granules functions principally as a detergent cobuilder, incrustation inhibitor, and anti-redeposition additive, particularly in powdered detergents.
CAS Number: 52255-49-9
EC Number: 610-814-3
Molecular Formula: Variable; acrylic acid–maleic acid copolymer in sodium-salt form
Molecular Weight: Variable; representative weight-average molar mass approximately 70,000 g/mol
Synonyms: Sodium Acrylic Acid/MA Copolymer, poly(acrylic acid-co-maleic acid) sodium salt, acrylic acid–maleic anhydride polymer sodium salt, maleic anhydride–acrylic acid copolymer sodium salt, 2-propenoic acid polymer with 2,5-furandione sodium salt, 2-propenoic acid 2,5-furandione polymer sodium salt, maleic acid/acrylic acid copolymer sodium salt, sodium acrylate–sodium maleate copolymer, poly(sodium acrylate-co-sodium maleate), sodium acrylate/maleate copolymer, AA/MA copolymer sodium salt, MA/AA copolymer sodium salt, P(AA-MA) sodium salt, sodium acrylic–maleic copolymer, sodium acrylic acid–maleic anhydride copolymer, acrylic/maleic polycarboxylate sodium salt, sodium copolymeric polycarboxylate, granular acrylic–maleic copolymer, granular sodium acrylate/maleate copolymer, anionic polycarboxylate dispersant, water-soluble polycarboxylate granules, polymeric detergent cobuilder, polycarboxylate incrustation inhibitor, acrylic/maleic scale-control polymer, polycarboxylate soil dispersant, polymeric anti-redeposition additive, granular sodium polycarboxylate dispersant, CAS 52255-49-9, EC 610-814-3, DTXSID10891926
APPLICATIONS
Sokalan CP 5 Granules serves as a polymeric cobuilder in powdered laundry detergents.
Sokalan CP 5 Granules contributes to controlling inorganic deposits that can accumulate on fabrics during repeated washing.
Additionally, Sokalan CP 5 Granules complements primary builders by addressing mineral dispersion and incrustation.
Sokalan CP 5 Granules supports detergent performance where residual hardness and suspended mineral matter remain important formulation challenges.
Sokalan CP 5 Granules supports phosphate-reduced and phosphate-free detergent formulations.
Sokalan CP 5 Granules helps inhibit the growth of inorganic crystals that can otherwise form during washing.
Moreover, Sokalan CP 5 Granules provides a complementary polymer function alongside alternative builder systems.
Sokalan CP 5 Granules should be balanced with the complete formulation because builder selection and water hardness influence deposit formation.
Sokalan CP 5 Granules provides calcium carbonate dispersion performance under alkaline cleaning conditions.
Sokalan CP 5 Granules has a representative calcium carbonate dispersion capacity of approximately 280 mg per gram of active polymer at 60 °C and pH 11.
In addition, Sokalan CP 5 Granules produces friable residue, a characteristic associated with reduced promotion of re-soiling.
Sokalan CP 5 Granules requires application testing because this laboratory dispersion value does not directly establish a universal detergent dosage.
Sokalan CP 5 Granules contributes to keeping detached particulate soil dispersed during washing.
Sokalan CP 5 Granules helps limit the return of suspended contamination to cleaned textiles.
Additionally, Sokalan CP 5 Granules supplies a dispersion function that complements surfactant-driven wetting and soil removal.
Sokalan CP 5 Granules therefore forms part of a balanced cleaning system rather than supplying every detergent function independently.
Sokalan CP 5 Granules can provide polymeric dispersion and mineral-deposit control in automatic dishwashing formulations.
Sokalan CP 5 Granules helps address inorganic filming and the deposition of suspended particles on washed articles.
Moreover, Sokalan CP 5 Granules contributes to the surface appearance associated with effective removal and suspension of mineral contamination.
Sokalan CP 5 Granules requires evaluation under the intended wash temperature, hardness, and formulation conditions.
Sokalan CP 5 Granules serves as a dispersing auxiliary in industrial and institutional cleaning formulations.
Sokalan CP 5 Granules supports cleaning systems that must manage mineral contamination together with suspended soil.
In addition, Sokalan CP 5 Granules complements alkaline builders and surfactants in appropriately formulated aqueous cleaners.
Sokalan CP 5 Granules should be assessed against the actual soil load, cleaning equipment, and wastewater-management requirements.
Sokalan CP 5 Granules offers a concentrated solid polymer ingredient for dry detergent blends and premixes.
Sokalan CP 5 Granules allows incorporation of the copolymer without adding the substantial water fraction associated with a liquid polymer grade.
Additionally, Sokalan CP 5 Granules requires consideration of particle distribution when blended with ingredients of different sizes and bulk densities.
Sokalan CP 5 Granules benefits from moisture-controlled processing that preserves granule condition and consistent ingredient distribution.
Sokalan CP 5 Granules can be dissolved when an aqueous polymer addition is appropriate for a cleaning formulation.
Sokalan CP 5 Granules forms solutions whose viscosity depends on polymer concentration and temperature.
Moreover, Sokalan CP 5 Granules requires complete dispersion and dissolution before solution uniformity can be assessed.
Sokalan CP 5 Granules should be evaluated for clarity, viscosity, and compatibility at the intended formulation concentration.
DESCRIPTION
Sokalan CP 5 Granules contains an acrylic acid–maleic acid copolymer neutralized into sodium-salt form.
Sokalan CP 5 Granules has a carbon-based backbone carrying multiple carboxylate groups.
Additionally, Sokalan CP 5 Granules represents a distribution of polymer chains with differing lengths.
Sokalan CP 5 Granules consequently has a representative average molecular weight rather than one exact molecular weight for every molecule.
Sokalan CP 5 Granules appears as white granules, occasionally with a slight yellowish coloration.
Sokalan CP 5 Granules contains approximately 92% dry matter in published representative grade data.
Moreover, Sokalan CP 5 Granules has a representative bulk density of approximately 580 g/L.
Sokalan CP 5 Granules differs physically from the powdered and aqueous grades, even where the underlying copolymer chemistry is similar.
Sokalan CP 5 Granules dissolves in water and produces a mildly alkaline solution.
Sokalan CP 5 Granules has a representative pH of approximately 8 when tested at 10% dry substance in distilled water.
In addition, Sokalan CP 5 Granules provides a clear to slightly turbid solution under the published 25 °C solubility-assessment conditions.
Sokalan CP 5 Granules develops concentration-dependent solution viscosity, making solution preparation conditions relevant to processing.
Sokalan CP 5 Granules is hygroscopic and can absorb moisture rapidly after packaging is opened.
Sokalan CP 5 Granules can develop lumps when exposed to unsuitable moisture, heat, sunlight, or compressive storage conditions.
Additionally, Sokalan CP 5 Granules may generate fine dust through handling and abrasion, requiring control of airborne dust and ignition sources.
Sokalan CP 5 Granules belongs to a polycarboxylate family that generally biodegrades slowly, so wastewater removal should not be equated with rapid biodegradation.
PROPERTIES
Product Name: Sokalan CP 5 Granules
Chemical Name: Acrylic acid–maleic acid copolymer, sodium salt
Registry Index Name: 2-Propenoic acid, polymer with 2,5-furandione, sodium salt
Chemical Family: Anionic polycarboxylate
Functional Class: Polymeric dispersant and detergent cobuilder
CAS Number: 52255-49-9
EC Number: 610-814-3
DSSTox Identifier: DTXSID10891926
Molecular Formula: Variable
Molecular Weight: Variable
Representative Weight-Average Molar Mass: Approximately 70,000 g/mol
Physical State: Solid granules
Appearance: White, occasionally slightly yellowish
Odor: Product-specific
Representative Dry Content: Approximately 92% by mass
Representative Water Content: Approximately 8% by mass
Representative Bulk Density: Approximately 580 g/L; bulk density is distinct from true material density
Representative Solution pH: Approximately 8; 10% dry substance in distilled water
Water Solubility: Water-soluble; clear to slightly turbid at 10% dry substance in distilled water at 25 °C
Representative Solution Viscosity: Approximately 50 mPa·s; 25% dry substance in distilled water at 25 °C, Brookfield method
Representative K-Value: Approximately 55; 1% dry substance in distilled water
Hygroscopicity: Absorbs atmospheric moisture
Representative Calcium Carbonate Dispersion Capacity: Approximately 280 mg CaCO₃/g active polymer at 60 °C and pH 11
Volatility: Nonvolatile solid under normal handling conditions
Boiling Point: Not applicable
Representative Thermal Decomposition: Approximately 285 °C by differential scanning calorimetry; method dependent
Primary Industrial Function: Mineral dispersion, incrustation inhibition, and anti-redeposition
Major Applications: Powdered detergents, automatic dishwashing formulations, industrial and institutional cleaners
GHS Classification: Not classified as hazardous in the published 2019 U.S. grade SDS; current regional supplier SDS controls workplace labeling
Signal Word: None required under that published classification
Dust Hazard: Fine airborne dust can form an explosive mixture with air
Incompatible Materials: Strong acids, strong bases, strong oxidizing agents
UN Number: None assigned under the published transport classification
Transport Class: Not regulated as dangerous goods under the published USDOT, IMDG, and IATA/ICAO classifications
Packing Group: Not applicable under those classifications
Storage Conditions: Dry storage at temperatures not exceeding 40 °C
Storage Protection: Protect from sunlight, moisture, and compression that promotes lumping
Shelf Life: Grade, packaging, and storage dependent; published grade guidance specifies at least 18 months in original packaging under recommended conditions
Regulatory Suitability: Cleaning formulation ingredient; suitability for food, pharmaceutical, cosmetic, medical, or food-contact applications requires separate grade-specific and regulatory verification
FIRST AID
Inhalation:
Move the affected person to fresh air and keep them comfortable. Seek medical attention for persistent coughing or respiratory discomfort; obtain urgent assistance for breathing difficulty.
Skin Contact:
Remove contaminated clothing and wash thoroughly with soap and water. Seek medical advice if symptoms persist.
Eye Contact:
Immediately rinse with running water for at least 15 minutes, holding the eyelids open. Remove contact lenses if easily possible and continue rinsing. Obtain medical attention for persistent symptoms.
Ingestion:
Rinse the mouth. Do not induce vomiting. Contact a poison center or physician for advice, particularly after significant ingestion or if symptoms develop. Never give anything by mouth to an unconscious person.
Note to Physicians:
Provide symptomatic treatment and support vital functions as required.
HANDLING AND STORAGE
Handling:
Minimize dust during transfer and mixing. Avoid unnecessary skin and eye contact.
Engineering Controls:
Provide local exhaust at dust-generating operations and accessible eyewash facilities.
Personal Protection:
Wear protective gloves, suitable work clothing, and safety goggles. Select approved respiratory protection where ventilation does not adequately control exposure.
Fire and Static Control:
Prevent dust clouds and deposits. Eliminate ignition sources and ground relevant transfer equipment. Assess enclosed processing equipment and dust collectors for appropriate explosion protection. Never disperse settled dust with compressed air.
Storage:
Keep packaging tightly closed in a dry location at or below 40 °C. Protect from sunlight and reseal immediately after use. Do not stack bulk bags where compression could cause agglomeration.
Material Compatibility:
Separate from strong acids, strong bases, and strong oxidizing agents.
Spill and Leak Procedures:
Collect without raising dust, using suitable vacuum equipment or nonsparking tools. Place recovered material in closed containers.
Environmental Precautions:
Prevent uncontrolled release to drains, soil, groundwater, or surface water. Contain contaminated wash water and firefighting runoff.
Fire Response:
Use water spray, foam, dry chemical, or carbon dioxide as appropriate. Firefighters require protective clothing and self-contained breathing apparatus where fumes are present.
Waste Disposal:
Dispose of residues and contaminated packaging through authorized routes in accordance with applicable regulations.
