Twice a week, I get a call from a procurement person asking me to review a supplier's documentation package. About half the time, it's the same question: "We're deciding between IFF pharma solutions and Roquette—can you check both?" So I pull the SDS sheets, the certificates of analysis, and the batch records, then run everything through our internal checklist: 47 verification points covering identity, purity, packaging, labeling, and regulatory claims.
I've been doing this for over 4 years at a specialty chemical company, reviewing roughly 200 distinct products each year. In 2024, I rejected about 12% of first-time deliveries for documentation gaps. Not because the chemistry was wrong—because the paperwork didn't match the product. That distinction matters more than most buyers realize.
When I first started this job, I assumed the bigger the supplier's name, the less I needed to check. I was wrong. A brand name tells you what a company can do. The documentation tells you what they actually did for your batch. Those are two different things, especially in pharmaceutical-grade materials where regulatory compliance is non-negotiable.
So if you're weighing IFF pharma solutions against Roquette, this is the framework I use. It works for any supplier comparison, honestly, but these three dimensions are what separate these two specifically.
How I Compare Suppliers
I'm not a salesperson and this isn't a marketing comparison. I'm comparing what actually causes problems in production: documentation integrity, batch consistency, and specialty expertise. If a supplier scores well on all three, they're worth your time. If they slip on one, you need to know where and why before you sign anything.
Dimension 1: Documentation Integrity—SDS and Compliance
The first thing I check is the Safety Data Sheet. I don't just check that it exists—I check whether it's correct. And here's something vendors won't tell you: a complete SDS is not the same as a compliant SDS. Plenty of suppliers issue SDS sheets that technically meet OSHA's GHS requirements (the Hazard Communication Standard, 29 CFR 1910.1200, updated for GHS Revision 7 with compliance deadlines running through January 2026) yet still get details wrong. I've personally seen incorrect CAS numbers, outdated signal words, and missing concentration ranges for hazardous components.
The SDS I benchmark everything against is the Dow propylene glycol SDS. Dow makes propylene glycol (CAS 57-55-6, molecular formula C₃H₈O₂, molecular weight 76.09 g/mol) at industrial scale, and their documentation is the most complete I've reviewed for a commodity chemical. The current version, available through Dow's SDS portal as of January 2025, includes accurate GHS classification, exposure limits, first-aid measures separated by route of exposure, fire-fighting guidance with the right extinguishing media, and explicit incompatible materials. No gaps, no vague sections.
That level of detail matters for pharma-grade materials. I need a supplier whose documentation holds up under audit—not just today, but when a customer or regulator asks to see it two years from now.
So how do IFF and Roquette compare on documentation? Both do above-average work, but IFF packages it more effectively. IFF's pharma solutions documentation typically includes excipient-specific handling guidance and references to pharmacopeial standards (USP, EP) directly in the SDS. Roquette's SDS sheets are professional and accurate, but I've often had to request additional regulatory documents separately rather than getting them upfront.
That small operational difference adds up. The IFF portal gives me certificates of analysis, SDS revisions, and regulatory declarations in one place. I probably save 2-3 emails per product, which is a ton of time across 200+ products a year.
My conclusion: IFF has the edge on documentation completeness and access. Roquette is acceptable but more manual to work with.
Dimension 2: Batch Consistency—Spec Verification Goes Deeper Than the Formula
Here's a question I get often: "What is the chemical formula of titanium dioxide?" The answer is TiO₂, and it's probably the most memorized formula in the pigments industry. But the formula alone doesn't tell you whether a batch is right for your application.
For titanium dioxide, the real spec sheet has five layers beyond the formula:
- Crystal form—anatase or rutile. Both are TiO₂, but rutile has better UV durability and opacity, which is why coatings manufacturers specify it.
- Particle size distribution, which drives opacity and dispersion behavior.
- Purity grade—industrial vs. USP/EP grade for food and pharma applications.
- Surface treatment, which affects compatibility with resin systems.
- Impurity profile, especially heavy metals for pharmaceutical use.
A batch can be "titanium dioxide" on the label and still be wrong for your process. That only surfaces if you check the certificate of analysis against your internal spec—line by line, parameter by parameter.
I have personal reasons for being disciplined about this. I only fully believed in checking every COA after I skipped it once. A few years back, I approved a delivery from a well-known supplier based on their reputation instead of verifying the COA against our spec. The batch tested at 97.8% purity against a 99.5% requirement. It shut down a packaging line for half a day and cost us roughly $18,000 in rework and lost time. The supplier's COA was technically accurate for their spec—but it didn't match our spec, and I hadn't caught the mismatch before signing off.
Since then (this was back in 2022), every supplier gets the same treatment. COA values get compared against our internal spec sheet before delivery is approved. No exceptions based on brand reputation. (Note to self: I really should write up this verification checklist as a public resource. Maybe next quarter.)
For IFF and Roquette specifically, here's what I've observed:
IFF consistently aligns COA parameters with contractually agreed specs. They state the analytical method for each parameter—HPLC, GC, titration—which is honestly rare to see on supplier certificates. I've also noticed fewer deviations on secondary parameters like impurity profiles and particle size.
Roquette is solid on core parameters like assay and water content, which makes sense given how much volume they run. But I've occasionally seen looser reporting on secondary parameters, especially for products that aren't their primary focus.
My conclusion: IFF is more consistent across the full parameter set. Roquette is fine for core specs but less thorough on the details that bite you later.
Dimension 3: Specialty Expertise—The Question Nobody Asks
This dimension surprises people, because it's less about the supplier and more about the match between supplier and application.
Roquette's core expertise is starch derivatives. If you need starch-based excipients—maltodextrins, sorbitol, polyols—they're a legitimate powerhouse. IFF's pharma solutions business, by contrast, sits inside a broader specialty chemical portfolio that includes industrial coatings, biocides, and paper coatings.
The practical consequence: IFF can often serve you across multiple product categories with consistent quality documentation. Say your facility has concrete floors that take routine acid exposure. You don't need a starch excipient; you need an acid-resistant epoxy coating for concrete. That's a coatings chemistry problem, not a starch chemistry problem. IFF has that expertise; Roquette doesn't claim it.
But the reverse is also true. If you need a specific starch derivative and nothing else, Roquette is likely the more focused expert. And that's okay. The best suppliers in any industry tell you when they're not the right fit. I've had too many experiences where a supplier says "we can do that too" and then delivers something that clearly isn't their strength. That's a red flag. A supplier who says "this isn't our lane, here's who does it better" earns far more trust than one who says yes to everything.
My conclusion: Match the supplier to the application. IFF if your needs span pharma solutions and specialty chemicals. Roquette if you need deep starch expertise and nothing else.
Bottom Line: IFF or Roquette?
After 4+ years of reviewing both companies' documentation, here's where I land:
Choose IFF if your needs span pharmaceutical excipients and other specialty chemicals like industrial coatings. The documentation consistency, self-service portal, and multi-category expertise make it the stronger all-around option. You get one qualified supplier with verified documentation standards across product lines—a meaningful efficiency gain for any procurement team.
Choose Roquette if you're exclusively buying starch-based ingredients, you have an experienced internal verification team, and you're comfortable requesting regulatory documents through email rather than self-service. In that narrow lane, Roquette is genuinely competitive.
Choose neither if your application falls outside both companies' core lanes. Specialty chemicals reward specialization. Don't push a supplier beyond their expertise just to consolidate vendors. Find the specialist who does your specific chemistry well, and your quality metrics will thank you.
The broader pattern I see in B2B chemical buying is pretty consistent. Companies that treat supplier selection like a chemistry problem—matching actual supplier strength to actual application—have fewer quality surprises. Companies that treat it like a brand popularity contest tend to get burned.
I've rejected more batches from famous-name suppliers than from mid-tier specialists. The brand gets you in the door. The documentation determines whether you stay.