How to Evaluate a BISQUAT CAS 55636-09-4 COA

In specialty chemical procurement, a Certificate of Analysis (COA) is one of the most critical quality documents exchanged between suppliers and buyers. When sourcing materials such as oilfield clay stabilizers, reviewing this document ensures that the delivered material aligns with agreed-upon technical parameters. However, it is essential to understand the precise scope of this document. A BISQUAT COA confirms batch conformity against stated specifications at the time of manufacture or release. It does not replace application testing, compatibility evaluation, or comprehensive supplier qualification. While the COA verifies that a specific lot meets defined chemical and physical criteria, actual performance in a formulated fluid system depends on numerous field-specific variables. This guide helps procurement managers, quality departments, R&D engineers, and technical purchasing teams systematically evaluate a BISQUAT / Prolonium Chloride CAS 55636-09-4 COA to support informed commercial and technical decisions.

What Is a BISQUAT Certificate of Analysis?

A BISQUAT certificate of analysis is a formal, batch-specific document issued by the manufacturer or an authorized supplier based on quality-control testing of a specific production lot. It serves as documented evidence that the material conforms to predefined BISQUAT specification limits before shipment.

While formatting varies across the industry, a standard COA typically contains several core elements:

• Product Name: The commercial or chemical name used by the supplier.

• CAS Number: The unique Chemical Abstracts Service registry number identifying the exact chemical substance.

• Batch or Lot Number: A unique identifier linking the document to a specific manufacturing run.

• Manufacturing and Expiry Dates: The timeline defining the production and recommended shelf life of the batch.

• Test Parameters and Results: The actual analytical values obtained during quality control testing.

• Specification Limits: The acceptable ranges or thresholds for each tested parameter.

• Test Methods: The standardized analytical techniques used to generate the results.

• Supplier Information: Company details, authorized signatures, and quality assurance stamps.

Buyers should recognize that different suppliers may utilize different specification formats, test methods, or parameter groupings. There is no single mandatory global template for a COA; rather, it reflects the individual supplier's quality management system and the specific agreement made with the buyer.

Checking BISQUAT Product Identity on a COA

The first step in evaluating any Prolonium Chloride COA is verifying product identity. Procurement teams must ensure that the material described on the document matches exactly what was requested and ordered. Misidentification can lead to formulation failures, regulatory non-compliance, or safety hazards.

Buyers should carefully confirm the following identity markers on the document:

• Chemical Name: Verify if the document lists the IUPAC name, common synonyms, or trade names. For this chemistry, look for terms such as Prolonium Chloride, 2-Hydroxytrimethylenebistrimethylammonium dichloride, or related nomenclature. To better understand the chemical background, review What Is BISQUAT?

• CAS Number: The CAS number is the most definitive identifier. Buyers must confirm that the COA explicitly states CAS 55636-09-4. A matching product name with an incorrect CAS number indicates a fundamentally different chemical substance.

• Appearance and Form: The COA should describe the physical state of the tested batch. This includes whether the material is a powder, a liquid solution, its color, and its clarity. This description must align with the commercial form ordered.

Identity verification is a foundational step in BISQUAT supplier evaluation. If the basic identifiers do not match the purchase order requirements, further technical review of the batch is unnecessary until the discrepancy is resolved with the supplier.

How to Review BISQUAT Active Content on a COA

BISQUAT active content is frequently the most commercially significant parameter listed on a COA. It defines the exact mass fraction of the functional Prolonium Chloride molecule present in the supplied product, distinguishing the active ingredient from carrier solvents, water, or residual byproducts.

When reviewing active content on a CAS 55636-09-4 COA, buyers should examine several specific details:

• Percentage Basis: Confirm whether the active content is reported on a weight/weight (w/w), weight/volume (w/v), or other basis. Comparing a w/w percentage directly against a w/v percentage without conversion will result in inaccurate procurement calculations.

• Test Method: The analytical method should be identified on the COA where applicable. Different suppliers may use different validated methods depending on product characteristics and quality-control procedures. Consistent test methods are necessary when comparing data across different batches or suppliers.

• Specification Limits vs. Actual Result: The COA should display both the acceptable specification range (e.g., "Not less than 50%") and the actual measured result for that specific batch (e.g., "51.2%"). The actual result must fall within the agreed limits.

Accurate interpretation of this parameter is vital for downstream blending. Quality departments and formulators use these figures to normalize recipes. For practical guidance on applying these figures, teams should refer to resources explaining how to calculate BISQUAT active content for commercial normalization.

Common Items to Review in a BISQUAT COA

Beyond identity and active content, a comprehensive BISQUAT quality assessment requires reviewing secondary parameters. These metrics provide insight into the purity, stability, and handling characteristics of the batch. The table below outlines common items found on a COA and explains their relevance to procurement and formulation teams.

Buyers should note that not every parameter applies to every commercial form. For instance, evaluating BISQUAT Powder vs 50% vs 68% Solution reveals that moisture content is heavily scrutinized for powders, while pH is more commonly evaluated for liquid solutions.

Difference Between BISQUAT COA, TDS and SDS

During BISQUAT supplier evaluation, procurement teams frequently encounter multiple documents. Confusing a COA with a Technical Data Sheet (TDS) or a Safety Data Sheet (SDS) can lead to gaps in quality assurance or regulatory compliance. Each document serves a distinct purpose in the chemical supply chain.

Certificate of Analysis (COA)

A COA is a batch-specific quality document. It reports the actual analytical test results for a single, identifiable production lot. It answers the question: "Did this specific drum or pallet meet the required specifications when it left the facility?" A new COA must be generated for every new batch produced.

Technical Data Sheet (TDS)

A TDS provides general technical characteristics and typical properties of the product grade. Unlike the COA, it is not tied to a specific batch. It outlines intended applications, general handling guidelines, typical physical properties, and standard specification ranges. It serves as a broad overview of the product's capabilities and expected behavior.

Safety Data Sheet (SDS)

An SDS focuses entirely on health, safety, environmental hazards, and regulatory transport classifications. It details first-aid measures, firefighting procedures, accidental release protocols, and personal protective equipment (PPE) requirements. It does not contain batch-specific quality data.

For thorough due diligence, buyers generally require all three documents. The TDS sets the expectation, the SDS ensures safe handling, and the COA proves that the delivered batch fulfills the technical promise.

How to Compare BISQUAT COAs from Different Suppliers

When qualifying multiple vendors, technical purchasing teams must compare COAs objectively. However, direct comparison is only valid if the underlying parameters are aligned. Evaluating a BISQUAT specification from Supplier A against Supplier B requires careful normalization.

To conduct a valid comparison, buyers should verify the following alignment points:

• Same CAS Number: Ensure both suppliers are providing the exact same chemical entity (CAS 55636-09-4). Trade names may differ, but the CAS number must match.

• Same Concentration Basis: Confirm that active content percentages are calculated using the same mathematical basis (e.g., w/w vs. w/v).

• Same Test Method: Analytical results can vary depending on the methodology used. Comparisons are most reliable when identical test methods are employed.

• Same Product Form: Do not compare a COA for a dry powder directly against a COA for a 50% aqueous solution without adjusting for the carrier phase.

• Same Specification Requirements: Understand whether the supplier is quoting against their internal standard specification or a custom specification negotiated for your company.

It is crucial to remember that the lowest price per kilogram does not always represent equivalent material. A cheaper product might feature wider specification tolerances, higher impurity profiles, or a lower active content basis. Rigorous COA comparison protects against hidden costs associated with inferior batch consistency. For broader chemical-selection considerations, buyers can also review BISQUAT vs KCl, NH4Cl and Choline Chloride.

Does a BISQUAT COA Guarantee Application Performance?

A frequent misconception in chemical procurement is equating a passing COA with guaranteed field success. A BISQUAT certificate of analysis confirms that the batch meets predefined chemical and physical standards. It does not guarantee that the material will perform flawlessly in a specific end-use application.

Application performance is highly dependent on factors that exist outside the scope of a standard quality control laboratory. In the context of oilfield operations, the effectiveness of the additive relies on complex interactions within the reservoir environment. Understanding how BISQUAT works as a clay stabilizer highlights that surface adsorption mechanisms are influenced by dynamic downhole conditions.

Even with a perfect COA, application outcomes depend on:

• Formulation Compatibility: How the chemical interacts with friction reducers, biocides, surfactants, and other additives in the final blend.

• Clay Mineralogy: The specific types of clays present in the formation (e.g., smectite, illite, kaolinite) dictate how the molecule adsorbs.

• Water Chemistry: Salinity, hardness, and the presence of competing ions in the mixing water or formation brine can alter chemical behavior.

• Field Conditions: Temperature, pressure, and shear forces encountered during pumping and placement.

Therefore, a COA is a prerequisite for quality assurance, but it must be paired with application-specific laboratory testing, such as linear swell tests or return permeability core-flow studies, to validate performance before field deployment.

Documents Buyers Should Request Together with a BISQUAT COA

To execute a complete technical and commercial evaluation, procurement teams should request a comprehensive documentation package alongside the batch-specific COA. Relying solely on the COA leaves gaps in safety, logistics, and long-term technical understanding.

Buyers sourcing Prolonium Chloride / BISQUAT CAS 55636-09-4 should routinely request the following:

• Safety Data Sheet (SDS): Required for customs clearance, warehouse storage compliance, and operator safety training. Ensure the SDS version corresponds to the specific concentration and form being purchased.

• Technical Data Sheet (TDS): Provides baseline typical values to compare against the specific batch COA results.

• Standard Specification Sheet: Outlines the guaranteed minimum and maximum limits the supplier commits to maintaining across all future batches.

• Sample COA: Before placing a bulk order, request a COA from a recent representative batch to verify that the supplier's standard quality aligns with your requirements.

• Packaging Information: Detailed specifications regarding container types, pallet configurations, net/gross weights, and UN ratings for transport.

• Shipping and Export Documents: Commercial invoices, packing lists, certificates of origin, and dangerous goods declarations where applicable for international transit.

Collecting these documents prior to finalizing a purchase order mitigates risk and ensures smooth integration of the material into the buyer's supply chain and production processes.

Frequently Asked Questions

1. What information is included in a BISQUAT COA?

A BISQUAT COA typically includes the product name, CAS number (55636-09-4), batch or lot number, manufacturing date, expiry or retest date, and the supplier's details. Crucially, it lists specific test parameters—such as appearance, active content, pH, and color—alongside the acceptable specification limits and the actual analytical results obtained for that specific batch.

2. Is COA enough to approve a BISQUAT supplier?

No. While a COA confirms that a specific batch meets stated chemical specifications, approving a supplier requires broader evaluation. Buyers should also assess manufacturing consistency, supply chain reliability, safety documentation (SDS), logistical capabilities, and the supplier's willingness to provide samples for independent application testing and compatibility validation.

3. How do I verify CAS 55636-09-4 on a COA?

Locate the section of the COA designated for product identification. The CAS number should be explicitly printed as 55636-09-4. Do not rely solely on trade names or generic descriptions like "clay stabilizer." Cross-reference the CAS number with the chemical name (e.g., Prolonium Chloride) to ensure absolute identity confirmation before accepting the shipment.

4. What active content should be checked?

Buyers should check that the reported active content percentage falls within the agreed specification limits. Additionally, verify the basis of the measurement (e.g., weight/weight vs. weight/volume) and the analytical method used to determine it. This ensures accurate commercial normalization and prevents formulation errors caused by misinterpreting concentration data.

5. What is the difference between COA and TDS?

A COA is a batch-specific document reporting the actual test results for a single production lot, confirming it meets specifications. A TDS is a general document outlining the typical properties, intended applications, and standard characteristics of a product grade. The TDS sets the expectation; the COA proves the specific delivery met it.

6. Can two suppliers have different BISQUAT specifications?

Yes. Different manufacturers may utilize varying synthesis routes, purification processes, or quality standards, resulting in different specification limits for parameters like color, moisture, or impurity profiles. Buyers must clearly define their required specifications during the procurement process to ensure all bidding suppliers are evaluated against the same technical criteria.

7. What documents should be requested before purchase?

Before finalizing a purchase, buyers should request a representative sample COA, the current Safety Data Sheet (SDS), the Technical Data Sheet (TDS), the standard specification sheet, and detailed packaging information. For international orders, confirming export documentation requirements and transport classification early prevents logistical delays.

Technical References and Further Reading

• European Chemicals Agency (ECHA). Substance information and chemical identification resources for industrial chemicals.

• Society of Petroleum Engineers (SPE). Technical literature related to oilfield chemical qualification, stimulation additives, and formation damage control.

• United Nations Globally Harmonized System of Classification and Labelling of Chemicals (GHS). Framework for chemical hazard communication and SDS requirements.

• Moore, D. M., & Reynolds, R. C. (1997). X-Ray Diffraction and the Identification and Analysis of Clay Minerals. Oxford University Press.

BISQUAT Documentation Support from Aure Chemical

Shandong Aure Chemical Co., Ltd. (Aure Chemical) supports international customers evaluating BISQUAT sourcing documentation, including product information, COA review, technical documents, and export coordination. Operating as a specialty chemical supplier and sourcing partner, Aure Chemical assists procurement teams, distributors, and formulators in navigating the documentation requirements essential for evaluating and sourcing Prolonium Chloride (CAS 55636-09-4) supply options.

Our documentation and sourcing support services include:

• Product identity confirmation and CAS number verification

• Specification review and alignment with buyer requirements

• Coordination and provision of batch-specific COAs, SDS, and TDS documents

• Sample arrangement to facilitate independent laboratory qualification

• Export documentation preparation and logistics support for international shipments

For BISQUAT sourcing evaluation, buyers can provide required specification, commercial form, quantity, destination, and documentation requirements so that suitable supply options can be reviewed.