SDS Review Checklist for New Chemicals

Why the SDS Must Match the Label

The Safety Data Sheet (SDS) is the primary document for understanding chemical hazards. It is not a marketing sheet. It is a technical record. When a new material arrives, the SDS and the shipping label must align.

A mismatch between the GHS pictograms on the box and the hazard statements in the SDS section is a red flag. It suggests the supplier is using outdated documentation or, worse, that the material composition has changed since the document was written.

Buyers must verify this alignment at the receiving dock. If the label says “Corrosive” but the SDS section 2 lists no corrosion hazards, the material must be held. Do not move it to storage. Do not let it into the production flow.

Section 1: Document Identity and Version Control

Start with the header. This section defines what document you are holding.

1. Check the supplier name and address.
2. Verify the chemical name and synonyms.
3. Confirm the UN number and proper shipping name.
4. Look for the revision date and document version.
5. Ensure the language matches the local regulatory requirement.

The revision date is the most common point of failure. Suppliers often send a 2022 version of the SDS for a material that was reformulated in 2024. The older document may lack new hazard warnings or updated PPE recommendations.

If the revision date is missing, the document is incomplete. Ask the supplier for the current version. Do not rely on the “latest available” file in your internal database if it does not match the physical shipment.

Section 2: Hazard Classification and Identification

This is the core of the chemical review. Section 2 of the SDS summarizes the hazards. Section 14 provides the classification details.

1. Review the GHS classification statements.
2. Check the signal word. Is it “Danger” or “Warning”?
3. Verify the hazard pictograms.
4. Confirm the health hazard statements.
5. Check the environmental hazard statements.

A “Warning” signal word indicates moderate hazards. A “Danger” signal word indicates severe hazards. If you have stored a material as “Warning” in the past and the new SDS lists “Danger,” your storage rules must change. Flammability limits, ventilation requirements, and PPE levels may all shift.

Watch for vague language. Phrases like “may cause irritation” are standard, but if the document lacks specific toxicity data (e.g., oral, dermal, inhalation), it may be insufficient for high-risk applications.

Section 3: Handling, Storage, and PPE

The SDS must provide actionable instructions. It is not enough to list “avoid skin contact.” The document should specify what to do when contact occurs and what to do if an accident happens.

1. Check Section 7 for storage conditions.
2. Verify compatibility with other materials.
3. Review Section 8 for PPE recommendations.
4. Confirm that PPE levels match your site’s risk assessment.

Storage compatibility is a frequent source of incidents. The SDS section 7 should explicitly state materials that must be kept separate. For example, oxidizers and flammable liquids are incompatible. If the supplier omits this, it is a documentation failure.

PPE recommendations in the SDS are general. They reflect the manufacturer’s worst-case scenario. Your site’s PPE must be based on your specific exposure levels. A worker handling a drum of solvent may need different gloves than a worker handling a gas cylinder. The SDS guides you, but it does not replace your internal risk assessment.

Section 4: Emergency Response and Spill Control

Section 6 covers fire and spill response. This section is critical for site preparedness.

1. Check the fire fighting equipment recommendations.
2. Review the spill response procedures.
3. Verify the emergency contact numbers.
4. Confirm the first aid measures in Section 4.

The emergency contact number must be a 24/7 hotline. It should not be a general office number that is only staffed during business hours. If the supplier provides a number that is unavailable at night, you have a compliance gap.

For spills, the SDS should specify the type of absorbent material. Some chemicals require inert absorbents like vermiculite. Others must not contact certain materials. If the SDS is vague here, your spill kit may be ineffective.

Section 5: Regulatory and Transport Compliance

The SDS must comply with the applicable transport regulations. In many jurisdictions, the UN number and proper shipping name are mandatory.

1. Verify the UN number format.
2. Check the transport hazard class.
3. Confirm the packing group.
4. Review the transport document requirements.

The packing group indicates the degree of danger. Packing Group I is the most dangerous. Packing Group III is the least. If the SDS lists Packing Group I but the shipping label says PG III, the shipment is misdeclared. This is a serious regulatory violation.

Transport compliance also affects how the material is stored on site. Some materials require specific ventilation or explosion-proof equipment. The SDS should reflect these requirements. If the document does not mention transport restrictions that apply to your region, the supplier may not be fully compliant.

Section 6: Disposal and Environmental Impact

Section 13 covers disposal. This is often overlooked by buyers but is a key part of the chemical review.

1. Check the waste classification.
2. Review the disposal method requirements.
3. Confirm if the material is hazardous waste.
4. Verify the environmental fate data.

If the material is classified as hazardous waste, your site must follow specific disposal protocols. You cannot simply pour it down the drain or mix it with other wastes. The SDS should specify the waste code or category. If it does not, you may face fines during an environmental audit.

Environmental fate data includes biodegradability and persistence. For certain industries, this data is required for permitting. If the SDS lacks this information, request it from the supplier before the material enters the facility.

Red Flags: When to Reject the Document

Not every document needs a full review. But some issues require immediate rejection.

Red Flag	Why It Matters	Action
No revision date	Document may be outdated	Request current version
Mismatched hazard classes	Label and SDS disagree	Hold shipment for review
Missing UN number	Transport non-compliance	Block entry into warehouse
Generic PPE only	Insufficient for risk control	Update site risk assessment
24/7 contact missing	No emergency support	Escalate to supplier

If you see any of these red flags, stop the process. Do not file the document and move on. Document the issue in your review log. Notify the supplier in writing. Request a corrected SDS before the material is accepted.

Final Check: The Review Log

A review log is your proof of due diligence. It is a simple spreadsheet or digital record.

1. Record the date of review.
2. List the chemical name and supplier.
3. Note the SDS revision date.
4. Record who performed the review.
5. Note any exceptions or follow-up actions.

This log protects your organization. If an incident occurs, regulators and insurers will ask how you verified the safety of the material. The log shows you did not just accept the box. You checked the document. You verified the hazards. You confirmed the controls.

Keep the log current. Review it quarterly. Update it whenever a supplier sends a new revision. The cost of a review log is negligible. The cost of a compliance failure is not.

Common Mistakes to Avoid

Buyers often make three mistakes during the chemical review process.

First, they rely on the supplier’s email. An email attachment is not a controlled document. It can be edited, lost, or replaced. Always save the SDS to a controlled repository.

Second, they skip the storage compatibility check. They see the material is “safe” and store it next to incompatible chemicals. The SDS section 7 exists to prevent this. Read it.

Third, they ignore the revision date. They use the old SDS because it is “close enough.” It is not. The material may have changed. The hazards may have changed. Use the current document.

Practical Next Steps

1. Create a standard SDS review template.
2. Train receiving staff on the checklist.
3. Set up a digital repository for controlled documents.
4. Establish a feedback loop with suppliers.
5. Audit the review log every quarter.

The process takes ten minutes per material. It saves hours of rework and prevents serious incidents. Treat it as a standard part of receiving, not an extra task.

The SDS is a tool. It is not a guarantee. The document reflects the supplier’s knowledge at the time of writing. Your job is to verify that knowledge against your site’s reality. If the document does not match the material, you have a problem. Identify it, fix it, and move on.