Hazmat UN Number Lookup

Search hazardous materials database, check safety specifications, and view Emergency Response guides.

🏷️ Primary Hazard Class Filter

UN1199

Furaldehydes

Toxic Substances

Class 6.1 (Primary)Class 3 (Subsidiary)PG II

CAS RegistryN/A

Hazchem / EAC2X

ERG Guide Number153

49 CFR Placards & Labels

Toxic (Poison)Class 6.1

⇩ SVG

Flammable LiquidClass 3

⇩ SVG

Not listed as a Reportable Quantity (RQ) hazardous substance under §172.101 Appendix A.

Not listed as a Marine Pollutant under §172.101 Appendix B.

Regulatory Facts

Packing Group

Symbols (col 1)

—

Labels (col 6)

6.1, 3

PIH Zone

—

Packaging references (49 CFR §173.xxx)

Exceptions (col 8A)

§173.153

Non-Bulk (col 8B)

§173.202

Bulk (col 8C)

§173.243

Aircraft quantity limits (col 9)

Passenger / Rail (9A)

5 L

Cargo Aircraft Only (9B)

60 L

Vessel stowage (col 10)

Location (10A)

Other codes (10B)

—

Special provisions (col 7 — §172.102)

IB2 T7 TP2

Hazard Classification & Risks

Class 6.1 — Toxic (poison). Liable to cause death or serious injury if swallowed, inhaled or absorbed through skin (49 CFR §173.132). Packing Group II — medium danger.

Transport Regulations

Hazard class 6.1, Packing Group II. Placard/label codes: 6.1, 3. Special provisions: IB2, T7, TP2. Packaging (49 CFR §173): exceptions §153, non-bulk §202, bulk §243. Quantity limits: passenger aircraft/rail 5 L, cargo aircraft only 60 L. Vessel stowage: A. Classified per 49 CFR §172.101.

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Source & sourcing note

Regulatory data mirrors the U.S. 49 CFR §172.101 Hazardous Materials Table and companion columns (packaging, quantity limits, vessel stowage, special provisions) as published by the U.S. Pipeline and Hazardous Materials Safety Administration (PHMSA).

Emergency-response content is drawn from the 2024 Emergency Response Guidebook (ERG), a joint publication of PHMSA, Transport Canada, and Mexico’s SCT.

The U.S. edition of the ERG and all U.S. federal regulations are public-domain works under 17 U.S.C. §105. Descriptions on this page are plain-English paraphrases; for any compliance decision, consult the authoritative text on eCFR Title 49 and the ERG at PHMSA.dot.gov. “ERG™” is attributed to PHMSA / Transport Canada / SCT and used nominatively.