Order a gas odorant DOT package-label set with a Class 3 Flammable Liquid diamond and a separate UN-number marking. Select the UN number shown on your material’s SDS and shipping papers.
What is included
- One red Class 3 Flammable Liquid diamond: 4 inches along each sloping side (101.6 mm), approximately 5.66 inches tip to tip.
- One separate 3 × 1 inch UN-number marking with characters at least 12 mm high.
This set is for non-bulk package identification. The proper shipping name, required technical names and any other shipment-specific markings must also be displayed. Vehicle and bulk-tank placards are a separate product format.
Choose the correct UN number
- UN3336: Mercaptans or mercaptan mixtures, liquid, flammable, n.o.s.; includes Scentinel E and many mercaptan odorant blends.
- UN2363: Ethyl mercaptan; includes Scentinel A.
- UN2412: Tetrahydrothiophene; includes Scentinel T.
- UN3295: Hydrocarbons, liquid, n.o.s.; includes Scentinel H-85.
UN numbers identify the shipped material. They are not interchangeable across all gas odorants. Select the number for your exact product and shipment.
Need a complete odorant-station label kit?
Tell us your odorant, container size and site needs using the Burgess Pipeline contact form. We can help coordinate GHS labels, DOT markings and NFPA identification for your odorization equipment.

