CAS 9011-13-6: Properties, Applications, Specifications, and Supplier Buying Guide

I treat CAS 9011-13-6 as a verification target rather than as a complete commercial product specification. The same CAS reference may be presented under different product names, grades, concentrations, salt forms, or molecular-weight distributions, so I recommend confirming the identity with the supplier’s SDS, TDS, and recent COA before technical evaluation. In this guide, I explain how I would assess the material for water-based dispersant applications, compare product specifications, validate performance, and select a reliable B2B supplier.

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For purchasing purposes, a CAS number cannot replace a product grade, technical data sheet, or agreed release specification. Differences in solids content, pH, viscosity, density, ionic characteristics, and molecular-weight profile can affect wetting, dispersion stability, compatibility, and dosage. I therefore recommend evaluating the exact supplied batch and grade against the intended pigment, filler, resin, pH, shear conditions, and storage requirements.

Summary of Key Buying Points

• Confirm that the supplier’s SDS, TDS, COA, label, and product code all refer to the same CAS 9011-13-6-related material.
• Do not assume that products with the same CAS number are fully interchangeable.
• Review solids content, pH, viscosity, density, appearance, storage temperature, shelf life, and test methods.
• Validate the material in the target formulation through laboratory dispersion, compatibility, and accelerated stability testing.
• Compare suppliers using effective solids cost, dosage, packaging, MOQ, lead time, documentation, and technical service—not only price per kilogram.
• Use Yuking as a technical sourcing contact for product-document review, sample coordination, and application-based grade matching.

Who This Guide Is For

I prepared this guide for formulation chemists, purchasing managers, quality teams, coating and ink manufacturers, pigment processors, building-material producers, ceramic manufacturers, and industrial distributors. It is also useful for buyers who have received a product described as “CAS 9011-13-6” but do not yet know whether the material is suitable for their specific water-based system. The guidance is intentionally verification-focused because a CAS reference alone does not define every commercial property.

Buyers should use this article during supplier prequalification, RFQ preparation, sample review, incoming-quality planning, and alternative-source evaluation. For regulated, hazardous, export-controlled, or end-use-specific applications, I recommend an additional review by the responsible safety, regulatory, and quality personnel. The supplier’s current SDS and applicable local requirements should take priority over general purchasing assumptions.

Understanding CAS 9011-13-6 in a Water-Based Dispersant Context

Identity Must Be Confirmed at Product Level

CAS 9011-13-6 is the core search reference in this article, but I do not recommend treating it as a complete description of a single universal commercial product. Polymer or formulated materials can vary by molecular-weight distribution, neutralization or salt form, solids level, residual components, and manufacturing process. A supplier should identify the commercial grade, product code, stated chemical description, CAS reference, and applicable specification in writing.

When I review a new offer, I compare the CAS number with the SDS Section 3 composition information, the TDS product description, the COA batch number, and the package label. I also check whether the documents use the same product name and revision date. The United Nations Globally Harmonized System provides a widely used framework for hazard communication, while OSHA’s Hazard Communication Standard explains the role of safety data sheets and hazard information in the United States; these sources support the use of current, product-specific safety documentation rather than generic descriptions.

Authoritative reference: United Nations, Globally Harmonized System of Classification and Labelling of Chemicals; U.S. Occupational Safety and Health Administration, Hazard Communication Standard, 29 CFR 1910.1200.

Basic Function in Water-Based Formulations

A water-based dispersant is generally selected to improve the wetting of solid particles, reduce agglomeration, support more uniform particle distribution, and help maintain dispersion stability. In coatings, inks, mineral slurries, ceramics, and building-material formulations, these functions may influence viscosity, sedimentation, color development, gloss, flow, and processing efficiency. The actual benefit depends on the interaction between the dispersant, particle surface, binder, water quality, pH, electrolyte level, and shear history.

I would not assume that every CAS 9011-13-6-related product is suitable for every aqueous formulation. A grade that performs well with an inorganic filler may not be optimal for an organic pigment or a resin-rich coating. Product names, CAS numbers, and commercial grades should therefore be treated as related but non-interchangeable identification elements.

Potential Properties to Review

Physical and Chemical Specification Fields

The most useful specification fields depend on the supplied form and grade. For a liquid or solution product, I normally request appearance, solids content in %, pH, viscosity in mPa·s, density in g/cm³, water content where relevant, and storage stability. For a polymeric or formulated dispersant, I also ask whether the stated value represents an active polymer, a neutralized form, a salt form, or a diluted commercial solution.

These fields are a review framework, not universal specifications for CAS 9011-13-6. I would never insert a generic pH, viscosity, solids, or density value into a purchase specification without confirming the exact grade. Test methods, sample preparation, instrument settings, and temperature can materially affect reported results, so the method must accompany the number.

Compatibility and Stability Considerations

For water-based coatings, inks, pigment concentrates, fillers, and mineral slurries, I examine compatibility with the solid surface and the rest of the formulation. Important variables include particle type, surface treatment, particle-size distribution, resin chemistry, water hardness, pH, ionic strength, and processing shear. I also review whether the dispersant creates excessive foam, changes viscosity, affects color strength, or causes flocculation after let-down.

Storage stability should be evaluated rather than assumed. A practical screening program may include visual inspection, viscosity and pH checks, sedimentation observation, freeze-thaw exposure where relevant, and accelerated storage at defined temperatures such as 25 °C, 40 °C, or another condition justified by the application. These are test conditions to be agreed with the technical team, not guaranteed performance claims.

Authoritative reference: ASTM International publishes standardized methods for measuring properties such as viscosity and density; the relevant ASTM method should be selected according to the product form and instrument used. I recommend recording the exact method and temperature with every comparison.

Potential Applications and How I Match Them

Water-Based Coatings and Inks

In water-based coatings and inks, I evaluate whether the product improves pigment wetting and maintains a stable concentrate without unacceptable effects on viscosity, gloss, color development, foam, or water resistance. I also check performance after the concentrate is mixed with the final binder system. The correct dosage, addition order, and dispersion energy should be established through formulation trials rather than copied from an unrelated product.

Pigment, Filler, and Mineral Dispersion

For inorganic pigments, extenders, calcium carbonate, silica, clay, titanium dioxide, or other mineral solids, the key questions are surface chemistry, particle loading, pH tolerance, and sedimentation behavior. I compare the dispersant at equal active solids and monitor viscosity, fineness of grind, settling, redispersibility, and visual uniformity. A product that lowers initial viscosity may still be unsuitable if it loses stability during storage or performs poorly after dilution.

Building Materials, Ceramics, and Industrial Slurries

In building-material, ceramic, and mineral-slurry applications, dispersion performance may affect water demand, pumpability, casting behavior, green-body uniformity, or storage stability. However, the final result depends heavily on the solid loading, mixing sequence, equipment, and other additives. I recommend a small-scale trial followed by a pilot or production-representative test before approving a replacement supplier.

Specification and Quality-Document Checklist

Before placing an order, I request the current SDS, TDS, recent COA, product specification, packaging information, and applicable transport documents. I compare the stated CAS reference, grade name, batch number, specification revision, and manufacturing date across all documents. If one document identifies a different grade or concentration, I pause the purchase until the supplier explains the discrepancy.

The COA should identify the tested batch and list the actual result, specification limit, unit, test method, and release status. I also ask how samples are taken, how retained samples are managed, and how out-of-specification material is handled. For recurring purchases, I request a written change-notification process covering raw materials, manufacturing location, formulation, packaging, and test methods.

Yuking Product Page

Packaging and logistics are part of quality control. I confirm whether the material is supplied in drums, IBCs, bags, or another format; whether the standard package is 25 kg, 200 kg, 1,000 kg, or a different size; and whether the package is suitable for the product’s physical form. I also confirm recommended storage temperature in °C, shelf life in months, pallet configuration, labeling, and transport conditions before comparing total delivered cost.

Authoritative reference: ISO 9001:2015 provides a quality-management framework relevant to documented processes, externally provided products, monitoring, and corrective action. It does not automatically certify a particular CAS 9011-13-6 product, so I still require product-specific documents and batch evidence.

Supplier Buying Guide

Step 1: Define the Technical Requirement

I start by describing the intended application instead of asking only for “CAS 9011-13-6.” The RFQ should include the solid or pigment type, approximate solid loading in %, target pH, viscosity requirement in mPa·s if known, resin or binder system, water quality, equipment, annual volume in kg, and expected use date. I also state whether I need a laboratory sample, production quantity, private-label packaging, or export documentation.

Step 2: Verify Product Identity and Documentation

I ask each supplier to provide the product code, chemical description, CAS reference, SDS, TDS, recent COA, packaging details, and storage guidance. I specifically ask whether the material is supplied as a neat product, aqueous solution, neutralized form, or another commercial form. I then confirm the stated solids content, pH, viscosity, density, and relevant test methods before accepting a technical comparison.

Step 3: Request Samples for Target-Formulation Testing

I compare samples on an equal-active basis where possible, because a lower-price product with lower solids may not deliver a lower formulation cost. The test plan should include dispersion efficiency, particle-size or fineness assessment where applicable, viscosity, foam, compatibility, sedimentation, redispersibility, and accelerated stability. I record addition order, mixing time in minutes, shear conditions, temperature in °C, dosage, and sample age so that results can be reproduced.

Step 4: Compare Commercial Conditions

I evaluate MOQ in kg, lead time in days, standard package size, payment terms, shipping route, and supply-region coverage. I also calculate effective active-material cost, expected dosage, handling loss, storage requirements, and technical support costs. A supplier offering the lowest price per kilogram may not offer the lowest cost per finished batch if its solids level, dosage, packaging, or consistency differs.

Step 5: Review Ongoing Supply Risk

I ask how the supplier manages batch consistency, retained samples, complaints, corrective actions, and specification changes. I also ask whether the supplier can support repeat sampling, production troubleshooting, and documentation updates. For critical formulations, I prefer a documented approval process that includes first-article testing, periodic COA review, and formal change notification.

Supplier Evaluation Matrix

Common Purchasing Mistakes

The first mistake is treating the CAS number as a substitute for a grade specification. The second is comparing products by price per kilogram without normalizing solids content, dosage, and delivery cost. The third is approving a sample based only on initial viscosity while ignoring storage stability, compatibility, foam, or final application performance.

Another frequent mistake is using a COA without reviewing its test method or batch number. I also recommend avoiding any supplier that cannot clearly explain the relationship between the CAS reference, product name, commercial grade, and supplied concentration. Finally, I would not make a regulated end-use claim unless the responsible regulatory team has reviewed the exact product and applicable jurisdiction.

Frequently Asked Questions

Does CAS 9011-13-6 identify one identical commercial product?

Not necessarily. I use the CAS number as an important search and identity reference, but I still verify the commercial grade, product code, concentration, salt or neutralization state, molecular-weight characteristics, and specification. Products sharing a CAS reference may not deliver identical results in a formulation.

Which specifications most affect water-based dispersion performance?

In my screening work, I focus first on solids content, pH, viscosity, density, ionic characteristics, and compatibility with the target particle and binder. The importance of each value depends on the formulation, so I do not rank one specification as universally decisive. The supplier’s TDS and COA should define the applicable test conditions and acceptance limits.

Can I replace one supplier’s product with another immediately?

I recommend treating substitution as a qualification project. I compare the products on an active-material basis, test them in the target formulation, and review short-term and accelerated stability before approval. If the supplier changes concentration, salt form, molecular-weight profile, or manufacturing process, the replacement may require a new dosage or process adjustment.

What documents should I request before purchasing?

At minimum, I request a current SDS, TDS, recent COA, product specification, packaging information, storage conditions, shelf life, and applicable transport documents. I also request written clarification when the CAS reference, product name, or concentration differs between documents. The final document list should reflect the destination market, end use, and internal quality system.

What information should I include in a sample request?

I provide the target application, particle or filler type, solid loading in %, formulation pH, viscosity target, binder system, approximate dosage range if known, annual demand in kg, package preference, and destination. I also state whether I need a sample size such as 1 kg, a pilot quantity, or a production package. This information helps the supplier recommend a grade without assuming that every CAS 9011-13-6-related product is equivalent.

How Yuking Can Support Your Evaluation

At Yuking, I recommend starting with the application and documentation rather than with a product name alone. Our team can organize an RFQ around the target particle, water-based formulation, required solids level, pH, viscosity, packaging, and expected volume. We can also help buyers structure a document review covering SDS, TDS, COA, packaging, storage, lead time, MOQ, and shipping requirements.

For technical screening, I can coordinate sample information and help define a comparison plan for dispersion efficiency, viscosity, compatibility, sedimentation, and accelerated stability. The final selection should remain based on the buyer’s test results, the supplier’s confirmed specifications, and written agreement on quality and commercial conditions. We do not recommend approving a product solely from its CAS number or an unverified performance statement.

Conclusion and Next Steps

CAS 9011-13-6 should be approached as an identity reference that requires product-level confirmation, not as a universal specification for every water-based dispersant offered under that number. To make a sound purchasing decision, I verify the SDS, TDS, COA, commercial grade, solids content, pH, viscosity, density, storage conditions, packaging, and batch controls. I then test the exact product in the intended pigment, filler, mineral, coating, ink, ceramic, or building-material formulation.

Your next step is to prepare an RFQ containing the target application, particle type, solid loading, pH, viscosity requirement, expected annual volume, packaging preference, destination, and required delivery schedule. Ask for the current SDS, TDS, COA, MOQ, lead time, storage conditions, and sample options, then compare suppliers using technical performance and total cost rather than unit price alone. Contact Yuking with these details so we can help you review the available grade information and define a practical sample-validation path.

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