CAS 9011-13-6 is a Chemical Abstracts Service Registry Number assigned to a polymeric chemical substance or polymer-related material. Unlike a small, single-molecule chemical, a polymer CAS number may represent a material family whose practical properties depend on molecular weight, composition, residual monomer content, solids level, and processing form. I recommend confirming the exact chemical name, polymer description, grade, and regulatory status from the supplier’s current Safety Data Sheet (SDS) and Certificate of Analysis (COA) before purchasing or using it.
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For B2B buyers, CAS 9011-13-6 should therefore be treated as an identification starting point rather than a complete technical specification. The CAS number alone does not define viscosity, active content, particle size, pH, color, water compatibility, or application performance. I use the CAS reference together with the product specification, SDS, COA, intended use, and local compliance requirements when evaluating a suitable supply option.
A CAS Registry Number is a unique numerical identifier used to help distinguish chemical substances in technical and regulatory communication. The CAS number is not a brand name, product model, purity grade, or performance guarantee. For polymeric materials, the number may cover a substance description that requires additional information to determine the commercially relevant grade.
Authoritative databases such as CAS Common Chemistry, PubChem, and the European Chemicals Agency should be checked together with the manufacturer’s SDS because database records and commercial product descriptions may not provide identical levels of detail. I do not recommend assigning a definitive application or formulation dosage from the CAS number alone. The supplier should confirm the applicable chemical name, composition range, and product form in writing.
The most important properties of CAS 9011-13-6 depend on the grade and physical form supplied. A liquid solution, aqueous dispersion, paste, or dry solid can behave very differently even when the same CAS number appears on the documentation. I recommend requesting a current technical data sheet that lists test methods and measurement conditions, rather than relying only on a generic online description.
| Property | Why it matters | Typical documentation format |
|---|---|---|
| Active or solids content | Determines effective dosage, shipping weight, and formulation balance | Percentage by mass, such as 30% or 50% |
| Viscosity | Influences pumping, metering, mixing, and application behavior | mPa·s at a stated temperature and shear condition |
| pH | Affects formulation stability, corrosion risk, and compatibility | Measured at a stated concentration and temperature |
| Density | Supports tank sizing, batch calculation, and logistics planning | g/cm³ or kg/L at a stated temperature |
| Moisture or water content | Can affect storage stability and final formulation performance | Percentage by mass |
| Particle size, where applicable | Influences dispersion speed, surface finish, and filtration | µm, often reported as D50 or a specified sieve fraction |
These values are examples of the data a buyer should obtain, not unverified specifications for every product sold under CAS 9011-13-6. A meaningful comparison requires identical test methods, temperatures, concentrations, and measurement units. For example, viscosity measured at 25°C cannot be compared directly with viscosity measured at 20°C unless the supplier explains the difference.
Because the CAS number alone may cover different commercial grades, application selection must be based on the supplier’s confirmed product description. Depending on the verified chemistry and physical form, buyers may investigate use in water-based formulations, coatings, adhesives, industrial processing aids, dispersions, or other specialty chemical systems. These possibilities should be treated as screening directions until compatibility and performance are confirmed by technical documentation or a controlled trial.
For a water-based system, I would first verify water compatibility, pH stability, solids content, ionic character, and storage behavior. The buyer should also check whether the material causes foaming, viscosity drift, flocculation, phase separation, or changes in drying time. A laboratory screening program may begin with several dosage levels, for example 0.5%, 1.0%, and 2.0% on a defined formulation basis, but the final dosage must come from application testing rather than a generic recommendation.
When the material is considered for a coating or ink, the relevant tests may include pigment wetting, grind efficiency, color development, gloss, settling, viscosity stability, and rub resistance. Testing should specify the pigment type, resin system, solvent or water balance, dispersion equipment, and evaluation time. A result observed after 24 hours may not predict behavior after 7 days or during accelerated storage.
In adhesive or industrial formulations, compatibility with the binder and additives is usually more important than the CAS number itself. Buyers should assess open time, tack, bond strength, film formation, water resistance, and viscosity retention under the actual processing conditions. If the material is intended for a regulated end use, the supplier should also provide the relevant composition and compliance documentation before commercial adoption.
Commercial options associated with a polymeric CAS reference can differ by physical form, concentration, molecular structure, and manufacturing process. I recommend comparing products using a controlled specification sheet rather than comparing only product names. The following categories help organize a technical discussion with suppliers.
These categories are procurement and formulation considerations rather than confirmed classifications of every CAS 9011-13-6 product. The exact options available should be confirmed through the supplier’s technical data sheet. I also recommend checking whether the product is supplied as a pure substance, a solution, a dispersion, or a preparation containing other ingredients.
A professional inquiry should request enough information to identify the material and evaluate it safely. At minimum, I would ask for the current SDS, technical data sheet, COA format, product composition description, physical form, packaging details, and storage conditions. For a first evaluation, a laboratory sample and a representative batch COA can reduce the risk of selecting an unsuitable grade.
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| Document or data point | Buyer question |
|---|---|
| CAS and chemical identity | Does the supplier’s product description match CAS 9011-13-6 and the intended application? |
| Composition | Are active ingredients, water, solvents, additives, or residual monomers identified? |
| Quality parameters | Are solids, viscosity, pH, density, color, moisture, and other limits clearly stated? |
| Packaging | Is the product available in 25 kg bags, 200 kg drums, 1,000 kg IBCs, or another format? |
| Storage | What temperature range, shelf life, and handling precautions apply? |
| Regulatory support | Can the supplier provide documents required for the destination country and end use? |
I recommend handling CAS 9011-13-6 according to the supplier’s current SDS, because the hazard classification depends on the confirmed composition and product form. Personnel should review exposure controls, personal protective equipment, spill response, incompatibilities, and waste instructions before opening the package. A generic CAS search should not replace a product-specific hazard assessment.
Storage conditions may include protection from excessive heat, freezing, moisture, direct sunlight, or contamination, but the correct limits must come from the manufacturer. For liquid or aqueous products, a supplier may specify a temperature window such as 5–35°C, while a dry product may require a different humidity-control approach; these figures must not be assumed without documentation. I also advise buyers to confirm the recommended shelf life in months and the procedure for reinspection after extended storage.
Regulatory requirements vary by destination market, quantity, transportation mode, and intended use. The European Chemicals Agency, the U.S. Occupational Safety and Health Administration, and other national authorities publish requirements that may apply to chemical communication and workplace handling. The buyer remains responsible for confirming local obligations, while the supplier should support the process with accurate SDS and product documentation.
Supplier selection should cover identity control, batch consistency, documentation, logistics, and technical communication. I would not select a supplier solely because a website displays the correct CAS number. A credible B2B supplier should be able to explain the product form, provide a current SDS and COA, answer specification questions, and state clearly which values are standard limits versus optional targets.
At Yuking, I can organize an inquiry around the buyer’s intended use, required product form, target specifications, packaging preference, and destination market. I can also help structure the request for quotation so that suppliers respond with comparable information instead of vague product descriptions. Final suitability should be confirmed through the applicable documentation and, where necessary, customer-side laboratory testing.
Price should be evaluated on a usable-material basis rather than only on the price per kilogram. For example, a product supplied at 30% solids contains a different amount of active material than a product supplied at 50% solids, so the buyer should compare cost per kilogram of active content. Freight, packaging, import duties, storage losses, and required dilution can also change the real procurement cost.
Minimum order quantity and lead time depend on whether the material is a standard stock grade or a customized product. I recommend asking for both the sample lead time and the bulk production lead time, along with the validity period of the quotation. If a project requires monthly deliveries, the buyer should also discuss batch reservation, forecast requirements, and acceptable specification tolerances.
No. A CAS Registry Number identifies a chemical substance or substance description, while a branded product includes a manufacturer, grade, specification, packaging, and commercial conditions. Two products referencing the same CAS number may still differ in concentration, additives, viscosity, or physical form. I recommend comparing the SDS, technical data sheet, and COA before treating them as equivalent.
No reliable dosage can be established from the CAS number alone. Dosage depends on the formulation, active content, target performance, processing equipment, and interactions with other ingredients. A controlled laboratory trial using the supplier’s recommended starting range is the safer approach.
At minimum, request the current SDS, technical data sheet, COA, product specification, packaging information, and storage instructions. Depending on the destination and end use, you may also need transport documents, regulatory statements, composition disclosure, or other compliance information. The supplier should clarify which documents are available before an order is placed.
Availability depends on the verified product identity, grade, quantity, destination, and current supply status. I recommend sending the CAS number together with the intended application, required form, target specifications, annual demand, packaging preference, and delivery location. Yuking can then review the requirement and confirm whether an applicable product or sourcing solution is available.
CAS 9011-13-6 should be treated as a starting point for chemical identity verification, not as proof that every product carrying the number has identical properties or performance. Before purchasing, I recommend confirming the exact chemical name, product form, composition, specification limits, SDS, COA, storage requirements, and destination-market compliance. This process helps prevent specification mismatches and reduces the risk of unsuitable bulk procurement.
The next practical step is to prepare a technical inquiry containing the CAS number, application, water or solvent system, target solids content, viscosity range, pH requirement, packaging, estimated quantity, and delivery country. Send these details to Yuking for a product and supply review. I can help organize the information required for sample evaluation, quotation comparison, and a more reliable B2B purchasing decision.
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