Hazmat UN Number Lookup

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

🏷️ Primary Hazard Class Filter

UN3077

Environmentally hazardous substance, solid, n.o.s.

Miscellaneous Dangerous Goods

Class 9PG III

CAS RegistryN/A (Mixture)

Hazchem / EAC2Z

ERG Guide Number171

49 CFR Placards & Labels

MiscellaneousClass 9

⇩ SVG

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

Marine Pollutant

Marine-pollutant mark (§172.322) required for bulk packages by vessel; IMDG segregation and stowage rules apply.

Regulatory Facts

Packing Group

III

Symbols (col 1)

Labels (col 6)

PIH Zone

—

Packaging references (49 CFR §173.xxx)

Exceptions (col 8A)

§173.155

Non-Bulk (col 8B)

§173.213

Bulk (col 8C)

§173.240

Aircraft quantity limits (col 9)

Passenger / Rail (9A)

No limit

Cargo Aircraft Only (9B)

No limit

Vessel stowage (col 10)

Location (10A)

Other codes (10B)

—

Special provisions (col 7 — §172.102)

8 146 335 384 441 A112 B54 B120 IB8 IP3 N20 N91 T1 TP33

Hazard Classification & Risks

Class 9 — Miscellaneous dangerous goods that present a transport hazard not covered by other classes (e.g. elevated-temperature, environmentally hazardous, lithium batteries) (49 CFR §173.140). Packing Group III — minor danger.

Transport Regulations

Hazard class 9, Packing Group III. Placard/label codes: 9. Special provisions: 8, 146, 335, 384, 441, A112, B54, B120, IB8, IP3,N20, N91, T1, TP33. Packaging (49 CFR §173): exceptions §155, non-bulk §213, bulk §240. Quantity limits: passenger aircraft/rail No limit, cargo aircraft only No limit. 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.

Regulatory Facts

Packing Group

III

Symbols (col 1)

Labels (col 6)

PIH Zone

—

Packaging references (49 CFR §173.xxx)

Exceptions (col 8A)

§173.155

Non-Bulk (col 8B)

§173.213

Bulk (col 8C)

§173.240

Aircraft quantity limits (col 9)

Passenger / Rail (9A)

No limit

Cargo Aircraft Only (9B)

No limit

Vessel stowage (col 10)

Location (10A)

Other codes (10B)

—

Source & sourcing note

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