Chemical Testing for Consumer Products: What Manufacturers Need to Know

Chemical Testing for Consumer Products: What Manufacturers Need to Know

A consumer product can look safe, perform as expected, and meet its physical specifications while still presenting a chemical compliance risk.

Materials, coatings, dyes, plastics, adhesives, electronics components, packaging, and other product elements may contain substances that are restricted or regulated in particular markets. For manufacturers, brands, importers, and retailers, identifying these substances early can help prevent compliance problems before products reach customers.

This is where chemical testing for consumer products plays an important role.

Chemical testing can help businesses identify, measure, and assess substances in products and materials against applicable requirements. The specific tests required depend on the product, its materials, intended use, target market, and applicable regulations.

What Is Chemical Testing for Consumer Products?

Chemical testing involves analyzing a product, material, component, or sample to identify or quantify specific chemical substances.

Depending on the objective, testing may investigate:

• Restricted substances

• Heavy metals

• Phthalates

• Formaldehyde

• Flame retardants

• PFAS

• Azo dyes

• Organotin compounds

• Volatile organic compounds

• Pesticide residues

• Chemical residues

• Material composition

• Other regulated, restricted or potentially hazardous substances

Cotecna CPS's current Analytical Services portfolio includes chemical composition and trace analysis, contamination detection, elemental analysis, RoHS, formaldehyde, phthalates, organotin, flame retardants, VOCs, PVbbC/plastic identification, and other chemical analyses.

Why Do Consumer Products Need Chemical Testing?

Chemical requirements can apply throughout the consumer-product supply chain.

A manufacturer may need to demonstrate that a product meets chemical restrictions before entering a particular market. A retailer may require suppliers to meet its restricted-substances list. A brand may also need to verify that materials continue to meet requirements after a supplier or formulation change.

Chemical testing can help businesses:

• Identify restricted substances

• Verify material specifications

• Support regulatory compliance

• Investigate potential contamination

• Validate supplier declarations

• Monitor changes in materials

• Support customer requirements

• Reduce the risk of non-compliant products

• Support product development

• Provide evidence for compliance documentation

Testing is therefore most useful when it forms part of a broader product-compliance strategy.

What Types of Chemical Risks Can Affect Consumer Products?

The potential chemical risks vary considerably between products.

Heavy Metals

Lead, cadmium, mercury, and other elements may be regulated because of their potential health and environmental impacts.

They may be relevant to products such as toys, jewelry, coatings, electronics, textiles, plastics, and other consumer goods depending on the applicable requirements.

Elemental analysis can help determine the concentration of specific elements in a material or product.

Phthalates

Phthalates are a group of chemicals used primarily as plasticizers and can occur in plastics and other materials.

Certain phthalates are restricted in specific consumer products and markets.

For example, the U.S. Consumer Product Safety Improvement Act includes requirements concerning phthalates in toys and certain child-care articles. CPSC identifies phthalate requirements among the children's-product rules requiring third-party testing.

Formaldehyde

Formaldehyde may be relevant to textiles, wood-based materials, furniture, and other products depending on their composition and applicable market requirements.

Testing can help manufacturers determine whether formaldehyde levels meet the relevant specification.

Cotecna CPS's Analytical Services portfolio includes formaldehyde analysis by HPLC.

Flame Retardants

Flame-retardant chemicals can be used in certain plastics, textiles, furniture, electronics, and other products.

Some substances in this category are subject to restrictions or customer-specific requirements.

The appropriate testing approach depends on the material, intended application, and market.

PFAS

Per- and polyfluoroalkyl substances, commonly called PFAS, are a large group of chemicals with applications across numerous industries.

Regulatory attention to PFAS continues to evolve across markets and product categories.

Testing can help businesses determine whether relevant PFAS are present in products or materials when required by regulations, customer specifications, or internal restricted-substance programs.

Cotecna CPS currently identifies PFAS testing among its chemical-testing capabilities. Cotecna CPS India also lists PFAS testing within its current analytical portfolio.

Azo Dyes and Other Textile Chemicals

Textiles and leather products may require testing for specific dyes, finishing chemicals, preservatives, and other restricted substances.

The appropriate testing program can vary according to the product, destination market, customer restricted-substance list, and intended use.

Chemical Residues and Contamination

Chemical analysis can also be used when a manufacturer suspects contamination or needs to investigate an unexpected material or production issue.

Cotecna's Analytical Services portfolio includes contamination detection and analysis and chemical trace analysis.

Which Regulations May Apply?

There is no single chemical regulation covering every consumer product in every market.

Requirements can depend on:

• Product category

• Material composition

• Intended use

• Age group

• Consumer exposure

• Destination market

• Chemical substance

• Concentration

• Product-specific legislation

• Customer or retailer requirements

REACH

The European Union's REACH framework regulates chemicals and includes restrictions that can affect substances in articles and consumer products.

Manufacturers and supply-chain businesses therefore need to understand whether relevant substances or articles fall within applicable REACH requirements.

RoHS

For electrical and electronic equipment, RoHS addresses restrictions on specified hazardous substances.

Cotecna CPS lists RoHS among its chemical-testing services, and its electrical appliance testing portfolio specifically identifies chemical testing for RoHS, REACH, California Proposition 65.

California Proposition 65

California Proposition 65 requires businesses to provide warnings for certain significant exposures to chemicals listed by the state, subject to the law's applicable requirements and exemptions.

The official Proposition 65 list includes chemicals used in areas such as pesticides, household products, food, dyes, solvents, manufacturing, and other applications.

U.S. Consumer Product Requirements

The U.S. Consumer Product Safety Improvement Act addresses several chemical and product-safety requirements, including lead and phthalates, as well as third-party testing and certification requirements for certain children's products.

The specific requirements depend on the product and applicable CPSC rules.

Does Every Consumer Product Need the Same Chemical Tests?

No.

This is one of the most important principles when developing a chemical-testing program.

A cotton garment, plastic toy, electrical appliance, piece of furniture, cosmetic container, and electronic device can have very different chemical risks.

For example:

A textile may require consideration of dyes, formaldehyde, phthalates, heavy metals, or other restricted substances.

A toy may require chemical assessment alongside mechanical and physical safety testing.

An electrical product may require RoHS and other chemical-compliance assessments.

Packaging may require chemical and migration testing depending on its intended use and whether it comes into contact with food.

Cotecna's packaging testing services cover chemical as well as mechanical characteristics across packaging materials.

The correct approach is therefore to identify the product-specific risks first and then select the appropriate tests.

How Is a Chemical Testing Program Developed?

A practical chemical-testing program can begin with several questions.

1. What is the product?

Identify the product category, intended use, target consumer, and destination market.

2. What materials are used?

Review plastics, textiles, coatings, metals, dyes, adhesives, inks, electronics components, packaging, and other materials.

3. What regulations apply?

Determine which market-specific and product-specific chemical requirements apply.

4. Are there customer requirements?

Retailers and brands may maintain restricted-substance lists that go beyond mandatory regulatory requirements.

5. Have materials or suppliers changed?

Changes to raw materials, suppliers, formulations, coatings, colors, or manufacturing processes can affect chemical compliance.

6. What testing evidence is required?

Determine whether the requirement calls for screening, quantitative laboratory analysis, supplier documentation, certification, or another form of conformity evidence.

Chemical Testing Should Start Early

Chemical compliance is often easier to manage when it is considered during product development rather than after production has begun.

Early testing can help identify problems with:

• Raw materials

• Colorants

• Coatings

• Plastics

• Adhesives

• Components

• Product formulations

• Supplier specifications

Cotecna CPS has highlighted the value of design-phase testing for identifying material and compliance issues before products move into mass production. Its current guidance specifically discusses chemical analysis for requirements including REACH, RoHS, and California Proposition 65.

Testing early can also provide more time to change materials or suppliers if a result identifies a compliance concern.

What Happens During Chemical Testing?

The process typically begins with defining the testing objective.

The laboratory may need information about:

• Product type

• Material composition

• Intended use

• Target market

• Applicable regulation

• Customer specification

• Sample condition

The laboratory then determines the appropriate analytical approach.

Depending on the substance and objective, testing may involve techniques such as elemental analysis, chromatography, spectroscopy, or other analytical methods.

The sample is prepared according to the applicable method and analyzed under controlled laboratory conditions.

The resulting data can then be compared against the relevant regulatory limit, specification, or customer requirement.

Screening and Confirmatory Testing

Not every testing situation requires the same analytical strategy.

Screening can help identify whether certain substances may be present and can be useful for rapid risk assessment or material evaluation.

Quantitative testing determines the concentration of a target substance.

Confirmatory analysis can provide more definitive information when a potential compliance issue has been identified.

The appropriate approach depends on the product, substance, applicable requirement, and testing objective.

What Should Manufacturers Do When a Product Fails?

A non-compliant result should trigger investigation rather than simply being treated as a laboratory problem.

Manufacturers may need to determine:

• Which material caused the result

• Whether the result applies to the entire product or a component

• Whether the issue is isolated or systemic

• Whether other production lots are affected

• Whether the supplier has changed a material

• Whether the product requires corrective action

• Whether additional testing is appropriate

For products subject to U.S. consumer-product requirements, CPSC emphasizes that manufacturers and importers remain responsible for ensuring compliance and certification. It also recommends considering material and process changes when determining whether additional testing is needed.

Why Supplier Management Matters

Chemical compliance does not begin and end in the testing laboratory.

A manufacturer can have a compliant finished product today and still face future risk if its supplier changes a material or manufacturing process without notification.

Supplier controls can therefore include:

• Material specifications

• Restricted-substance declarations

• Safety Data Sheets where applicable

• Supplier approval

• Material-change notifications

• Periodic testing

• Component testing

• Production controls

• Traceability

Laboratory testing can complement these controls by providing independent analytical evidence.

Choosing a Chemical Testing Laboratory

When selecting a laboratory, businesses should consider more than the laboratory's ability to perform a particular test.

Important questions include:

• Is the laboratory competent for the required test?

• Is the relevant test within its current accreditation scope?

• Which analytical method will be used?

• What reporting limits apply?

• What sample quantity is required?

• Does the laboratory understand the target market?

• Can it support multiple product categories?

• Can testing be integrated with inspection or certification where needed?

• How clearly are results reported?

For children's products entering the U.S. market, CPSC states that applicable third-party testing must generally be performed by a CPSC-accepted accredited laboratory.

The exact accreditation or regulatory recognition required should always be verified against the specific product and applicable requirement.

Cotecna CPS Chemical Testing Services

Cotecna CPS provides analytical services designed to help consumer-product businesses evaluate materials and products against relevant specifications and standards.

Its current chemical-testing portfolio includes areas such as:

• Chemical composition analysis

• Chemical trace analysis

• Contamination detection and analysis

• Elemental analysis

• RoHS

• Formaldehyde

• Phthalates

• Flame retardants

• Organotin

• PVC/plastic identification

• VOCs

• Nickel release

• PFAS

• Food-contact testing

• Other chemical analyses

Cotecna's wider CPS network includes laboratories and technical teams supporting consumer-product testing across markets. Its current CPS information identifies capabilities across softlines, hardlines, electrical and electronic products, toys, textiles, and other consumer goods.

Cotecna's approach can also extend beyond laboratory analysis through inspection and certification services, helping businesses address product compliance and supply-chain requirements as part of a broader testing, inspection, and certification program.

Chemical Testing Is Part of a Larger Compliance Strategy

Laboratory testing is an important source of evidence, but it should be integrated with product design, supplier controls, specifications, inspections, documentation, and regulatory review.

A risk-based testing program can help businesses focus resources on the materials, components, products, and markets where chemical compliance matters most.

By identifying chemical risks early, verifying materials through appropriate testing, and monitoring changes throughout the supply chain, manufacturers and brands can make more informed product-compliance decisions.

Chemical testing for consumer products helps manufacturers, brands, retailers, and importers understand what substances are present in their products and whether those products meet applicable requirements.

The right testing program depends on the product, materials, intended use, target market, and regulatory framework.

Testing for heavy metals, phthalates, formaldehyde, flame retardants, PFAS, RoHS substances, or other chemicals may be relevant to particular products, but there is no universal testing package for every consumer good.

The most effective approach combines product knowledge, regulatory understanding, supplier controls, appropriate laboratory analysis, and ongoing monitoring.

Cotecna CPS supports this process through chemical and analytical testing capabilities across a broad range of consumer products, backed by its wider testing, inspection, and certification network.

For manufacturers and brands operating across multiple markets, the right chemical testing strategy can help identify risks earlier, support compliance decisions, and strengthen confidence throughout the supply chain.

Need help identifying the right chemical tests for your consumer products?

Cotecna CPS provides chemical and analytical testing across a broad range of consumer products and materials. Our technical teams can help you identify relevant testing requirements based on your product, materials, destination market, and compliance objectives.

Contact Cotecna CPS today to discuss your product testing requirements.

About Cotecna

For over 50 years, we have been supporting agriculture, food and pharma, minerals and metals, and consumer products supply chains all over the world. We provide testing, inspection, and certification services to help our clients navigate evolving regulations, ensure product compliance, and support their sustainability journey.