Your Cleaning Solvent Is Methanol — UN1230, Class 3, and Misdeclaring It Costs ¥300,000
Your Cleaning Solvent Is Methanol — UN1230, Class 3, and Misdeclaring It Costs ¥300,000
Executive Summary
A client sends you a drum of "eco-friendly cleaner" and asks to book it as general cargo. Don't. Methanol — UN1230, Class 3 flammable liquid, packing group II, flash point 11°C — hides inside cleaners, solvents, screen wash and antifreeze. If you file it as ordinary goods, you hit Article 83 of China's new Hazardous Chemicals Safety Law: the unit fine starts at ¥300,000, the person who signed the declaration is liable too, and serious cases become a criminal charge. Pull the MSDS before you book, declare it as Class 3, and keep that drum off the "general cargo" pile.
| UN number | UN1230 |
| Hazard class | Class 3 — flammable liquid |
| Packing group | PG II |
| CAS number | 67-56-1 |
| Closed-cup flash point | 11°C |
| Class 3 threshold (flash point) | ≤ 23°C |
| Typical methanol in "green" cleaners | 30%+ by content |
| Misdeclaration fine (unit) | from ¥300,000 |
| Personal liability (signatory) | ¥10,000–¥50,000 |
What Methanol Actually Is
Methanol is not "a bit risky." It is UN1230, Class 3 flammable liquid, PG II, CAS 67-56-1, closed-cup flash point about 11°C. Plain and simple: it sits in the dangerous-goods list.
The rule for classification is two checks — flash point, and whether it fits the flammable-liquid definition — and an authorised lab's classification report is the only proof that holds up if someone challenges your filing. Methanol's 11°C flash point is far below room temperature, so it moves as Class 3, PG II. Don't guess.
The trap is its everyday disguise. Industrial cleaner, ink thinner, screen wash, antifreeze, some glues — methanol is often the base. That "green" cleaner in your warehouse? Check the spec sheet; methanol content regularly runs 30% or more.
So ignore the product name. Any liquid with "alcohol," "solvent" or "clean" on the label — get the MSDS first. If the flash point is under 23°C (the Class 3 line), it goes as dangerous goods. Period.
What Misdeclaration Costs You
File methanol as general cargo and you've done the classic "declare dangerous goods as ordinary." That lands square on Article 83 of the new law: unit fine from ¥300,000, the clerk liable alongside, and criminal charges in the worst cases.
The day-to-day hit is blunter. Carrier or port opens the MSDS, sees Class 3, and rejects on the spot. Booking wasted, demurrage running, client trust gone.
And if it slips through? Methanol is flammable and volatile. If something goes wrong in transit, the misdeclarer carries full liability — the insurer pays nothing.
Frankly, the fine is the kind part. The part that ends careers is the personal liability riding on the signature.
Three Moves Before You Book
Before you take this kind of liquid, demand the MSDS and the hazardous-properties classification report from the client. Only book once UN1230, Class 3 and PG II line up.
Book it as dangerous goods. Correct name, UN1230, Class 3, PG II, flash point 11°C — every field in the filing, compliant DG packaging. That's the whole job.
One thing to watch: methanol mixes with water and evaporates fast, so sealing and ventilation matter more than for an ordinary liquid. Don't stuff it in a standard drum and hope.
My advice: treat "just a normal solvent" as a red flag, not a quote. If a client refuses the classification report, walk away from that booking. If your team wants a second set of eyes on a suspect liquid, our dangerous-goods desk pre-checks the MSDS and report before the box is stuffed.
The Veteran's Two Cents
Methanol's trap isn't whether you recognise it. It's whether the client will pay to declare it. He saves a few dollars of freight; you carry ¥300,000 of risk. Do the math.
Don't bet your licence on the client's "it's just solvent." If they won't show the report, skip the booking.
Carriers are screening Class 3 hard right now. Rather than bet they won't check, file it clean and sail steady.
Remember: the methanol in that cleaner is not "ordinary solvent." It's UN1230. The moment you tick "general cargo," you're gambling. File it as dangerous goods. Don't bet.
Market Outlook
My read: port inspections of Class 3 flammable liquids are tightening, and now that the new Hazardous Chemicals Safety Law's dual-penalty rule is live, methanol-type "everyday disguise" goods are exactly what inspectors pull first — don't expect this to loosen in the second half of the year. For your quote, build the DG filing window (MSDS plus classification report, roughly 3 to 5 working days at origin) into the schedule before you commit a sailing date. The cheaper play is never the misdeclared one.
JETWAY Supply Chain is your execution partner on the ground in China — based in Tianjin, licensed as an NVOCC (MOT) and a member of CIFA, FIATA and WCA. We handle special cargo and compliance (dangerous goods, chemicals, batteries) across ocean, air, rail and road, and we pre-check your documents before the box is stuffed so your filing clears the first time. Send us your next booking and we will run the checks above against your sailing date. Request a quote.