Industrial Chemicals
No CPTPP saving here — every line is already Free at MFN. The real compliance story is DGR classification (Class 3 flammable, Class 8 corrosive) and WHMIS 2015, not tariff.
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MFN rate, every line on this page
Class 3
DGR classification, benzene/acetaldehyde/acetone
WHMIS 2015
SDS requirement for hazardous chemicals
HS 29
Tariff chapter
WHMIS 2015 Requirement
Hazardous chemicals supplied for use in a Canadian workplace need a compliant Safety Data Sheet and label
Under WHMIS 2015 — Canada's adoption of the Globally Harmonized System — any hazardous chemical needs a compliant SDS and label before reaching the end user. This is separate from, and required in addition to, the IATA DGR declaration needed to move the chemical by air in the first place.
Source: Hazardous Products Act; Hazardous Products Regulations (WHMIS 2015). Last verified July 2026.
Relevant HS Codes
| HS Code | Description | MFN | CPTPP | Note |
|---|---|---|---|---|
| 2901.21.00 | Ethylene | Free | Free | — |
| 2902.20.00 | Benzene | Free | Free | IATA Class 3 flammable liquid — UN 1114 |
| 2905.31.00 | Ethylene glycol (ethanediol) | Free | Free | — |
| 2912.12.00 | Acetaldehyde (ethanal) | Free | Free | IATA Class 3 flammable liquid — UN 1089 |
| 2914.11.00 | Acetone | Free | Free | IATA Class 3 flammable liquid — UN 1090 |
| 2915.21.00 | Acetic acid | Free | Free | IATA Class 8 corrosive (glacial) — UN 2789; concentration-dependent |
Source: https://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/2026/html/00/ch29-eng.html
Canadian Import Process
DGR classification
Confirm the IATA DGR class (Class 3 flammable, Class 8 corrosive, etc.) and UN number for the specific chemical before booking.
Shipper's Declaration
Prepare the Shipper's Declaration for Dangerous Goods and confirm compliant packaging and marking.
WHMIS compliance
Confirm a compliant Safety Data Sheet accompanies the shipment for its Canadian workplace destination.
CBSA examination
Goods clear a CBSA examination against the commercial invoice and HS classification.
Customs release
Shipment released to the importer — already Free at MFN, no CPTPP claim needed on these lines.
Worked example
80kg of acetone, Bangkok to Toronto
A 80kg shipment of acetone (HS 2914.11, UN 1090) needs to move from BKK to YYZ. The fastest confirmed routing on that pair today is Korean Air Cargo through ICN, at 1-2 business days.
Before booking, UAL confirms acetone's IATA DGR classification — Class 3 flammable liquid, UN 1090 — and prepares the Shipper's Declaration with compliant packaging and marking. This is handled by our own IATA DGR-certified personnel, not routed to an outside partner.
On arrival, the shipment clears CBSA at the Free MFN rate that already applies to this tariff item — no CPTPP claim is relevant here, since there's no duty to eliminate. The compliance work on this shipment sits entirely on the DGR and WHMIS side, not the tariff side.
Why ship industrial chemicals through UAL
DGR handling, taken seriously
UAL is IATA DGR certified. Every Class 3 and Class 8 declaration on this page is handled directly by our own trained personnel against the current IATA DGR edition.
Honest about where the real compliance work is
We're not going to pad this page with a CPTPP savings story that doesn't exist on these tariff lines — the real work here is DGR and WHMIS, and that's what we focus on.
Routing chosen on merit
A production line waiting on a specific chemical input gets routed via whichever carrier has DGR capability and the transit time it needs.
DGR Warning — Class 3 / Class 8
Benzene, acetaldehyde, and acetone are Class 3 flammable liquids; glacial acetic acid is Class 8 corrosive
Each requires the correct UN number, packing instruction, and compliant packaging before tender. Confirm classification per specific chemical and concentration — don't assume every line on this page carries the same class.
Read the full Class 3 flammable liquids guide →Source: IATA Dangerous Goods Regulations, 67th Edition, effective 1 January 2026.
Frequently asked questions
Canada's tariff schedule sets bulk organic chemicals — ethylene, benzene, ethylene glycol, acetaldehyde, acetone, acetic acid — at Free MFN already, the same pattern as pharma and electronics. CPTPP only creates a saving where it moves a rate down from something above zero, so there's genuinely no additional discount to show on this specific set of tariff lines.
Documentation & terms
IATA DGR Class 3: Flammable Liquids in Air Freight
Flash point ≤60°C closed-cup is the whole test — and it catches more everyday cosmetics and cargo than most shippers expect.
Read the full guideIndustrial Chemicals · 6 HS codes · CPTPP savings on 0 codes
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