2026-09-21 · KeXinMaterials Redaktionsteam

DOT 49 CFR Gefahrguttransport + Schutzkoffer B2B-Compliance-Leitfaden

US DOT 49 CFR Teile 100-185 "Gefahrgutvorschriften" regeln den Transport gefährlicher Güter auf Straße, Schiene, Luft und See in den USA. UN/ID-Nummern klassifizieren Gefahrgut. Spezialisierte Verpackung + Kennzeichnung für Gefahrgutkoffer erforderlich.

49 CFR Scope + Hazmat Classification

49 CFR Parts 100-185 govern hazmat transport in US. 9 hazard classes. UN/ID numbers classify hazmat types.

49 CFR Parts 100-185: "Hazardous Materials Regulations". Administered by PHMSA (Pipeline and Hazardous Materials Safety Administration).

Scope: All hazmat transport in US by road, rail, air, sea. Includes domestic + international transiting US.

Hazard classes (9 total): Class 1 (Explosives), Class 2 (Gases), Class 3 (Flammable Liquids), Class 4 (Flammable Solids), Class 5 (Oxidizers + Organic Peroxides), Class 6 (Toxic + Infectious), Class 7 (Radioactive), Class 8 (Corrosive), Class 9 (Miscellaneous Dangerous).

Class 9 (Miscellaneous Dangerous Goods): Includes lithium batteries (UN 3480 / UN 3481) + dry ice (UN 1845) + magnetized materials (UN 2807) + life-saving appliances (UN 2990) + other regulated miscellaneous.

UN number: 4-digit number identifying hazmat substance/article. E.g., UN 3480 (Li-ion battery), UN 1090 (acetone), UN 1170 (ethanol).

ID number: Prefixed with "UN" or "ID" (Identification). UN = assigned by UN Committee of Experts. ID = US-only.

Proper Shipping Name (PSN): Standardized name per UN Model Regulations. E.g., "Lithium ion batteries".

Hazard classification: Material tested per UN Test + Criteria Manual. Determines hazard class + division.

Packing Group (PG): I (high danger), II (medium), III (low). Determines packaging requirements.

B2B relevance: For protective cases containing lithium batteries, flammable liquids, dry ice, or other hazmat, DOT 49 CFR + UN Model Regulations + mode-specific regulations (IATA DGR, IMDG, ADR) apply.

DOT 49 CFR Hazmat Packaging Types

49 CFR Parts 173-178 specify hazmat packaging requirements. Packing Group determines package type + test requirements.

Part 173: Shippers - general requirements for shipment + packaging + marking + labeling.

Part 174: Carriage by rail.

Part 175: Carriage by aircraft.

Part 176: Carriage by vessel.

Part 177: Carriage by public highway.

Part 178: Packaging specifications. Non-bulk packaging (drums, boxes, cylinders).

49 CFR 173.185: Lithium battery packaging requirements. Specific rules for standalone Li-ion (UN 3480) + packed with equipment (UN 3481) + in equipment (UN 3481).

49 CFR 173.185(b): Standalone Li-ion batteries. Packaging must pass UN 38.3 + prevent short circuit + protect terminals.

49 CFR 173.185(c): Li-ion packed with equipment. Same as standalone + equipment packed to prevent movement.

49 CFR 173.185(d): Li-ion in equipment. Equipment protected from accidental activation + short circuit.

49 CFR 173.185(e): Limited quantity (LQ) exception. <= 30 kg gross packaging. Simplified labeling.

49 CFR 173.185(f): Small battery exception (US only). Net mass <= 100 g Li. Simplified.

49 CFR 178.601: General packaging requirements. Performance tests (drop, leakproof, hydrostatic pressure, stack, vibration).

49 CFR 178.603: Drop test. Drop packaged from 1.8 m (PG I) / 1.2 m (PG II) / 0.8 m (PG III).

49 CFR 178.604: Leakproof test. For liquid + gas packaging. Air pressure test.

Packing Group I (high danger): Performance tests per Part 178 + 49 CFR 173.24 + 173.24a.

Packing Group II + III (medium / low): Same tests as PG I but with less stringent criteria.

B2B procurement: Verify hazmat packaging by 49 CFR Part 178 testing + UN marking on package.

Mode-Specific Regulations: IATA DGR, IMDG, ADR

Mode-specific hazmat regulations: IATA DGR (air), IMDG Code (sea), ADR (road Europe), RID (rail Europe). Must comply with all applicable modes.

IATA DGR (Dangerous Goods Regulations): International Air Transport Association. Required for air transport worldwide.

IATA DGR lithium battery rules: Section 4.2 (Li-ion). Li-ion alone (UN 3480) Class 9, PG II. Various air transport restrictions.

IATA DGR state-of-charge limit: Li-ion batteries must be at <= 30% SOC for air transport (cargo aircraft only) without operator approval. Some operators require <= 60% SOC.

IMDG Code (International Maritime Dangerous Goods): International Maritime Organization. Required for sea transport.

IMDG Code lithium battery: Special Provision 188 + Section 4.2. Similar to DOT 49 CFR + UN Model Regulations.

ADR (Accord Europeen Relatif au Transport International des Marchandises Dangereuses par Route): European Agreement for International Carriage of Dangerous Goods by Road.

RID (Reglement concernant le transport International ferroviaire des marchandises Dangereuses): European rail dangerous goods regulations.

ADN (Accord Europeen relatif au transport international des marchandises Dangereuses par voies de Navigation interieures): European inland waterway dangerous goods.

UN Model Regulations: UN Committee of Experts on the Transport of Dangerous Goods (UN COE TDG). Master reference for all modal regulations.

ICAO TI (Technical Instructions): International Civil Aviation Organization. Required for air transport.

Mode-specific documentation: Shipper Declaration for Dangerous Goods (DGD) for air. Dangerous Goods Declaration (DGD) for sea. CMR (Transport Document) for road.

B2B procurement: For international shipments, identify all applicable modes + applicable regulations (IATA DGR / IMDG / ADR / RID) + mode-specific marking + documentation.

B2B recommendation: For hazmat cases, request supplier DOT 49 CFR + IATA DGR + IMDG + ADR compliance certification. Each mode has specific packaging + marking + documentation requirements.

49 CFR Hazmat Marking + Labeling + Documentation

Hazmat shipments require specific marking + labeling + documentation per 49 CFR 172 + 173.

49 CFR 172: Hazardous Materials Table + Special Provisions + Packaging + Marking + Labeling + Placarding + Training.

49 CFR 172.300: Marking. Each package marked with PSN + UN number + consignor + consignee.

49 CFR 172.301: UN/ID number marking. Format "UN 3480" or "ID 8000". Min 12mm height.

49 CFR 172.302: Orientation arrows. Required for PG II / III liquids. Up + down arrows.

49 CFR 172.400: General labeling requirements. Hazard class label on each package.

49 CFR 172.411-172.448: Hazard class labels. Class 1 (Explosive), Class 2 (Gas), Class 3 (Flammable Liquid), Class 9 (Miscellaneous Dangerous Goods - lithium battery uses this).

Class 9 label: 100mm x 100mm square. Black + white striped upper half + black lower half with 7 vertical stripes. "9" in lower right.

49 CFR 172.500: Placarding. Required for bulk containers (cargo tanks, rail tank cars, freight containers, vehicles).

49 CFR 172.600: Emergency response. Shipper must provide 24-hour emergency response contact.

49 CFR 172.700: Safety marks. E.g., Cargo Aircraft Only (CAO) label for cargo-only Li-ion.

49 CFR 172.704: Lithium battery handling label. Required since 2017. Includes lithium battery mark (7AH with battery + flame).

49 CFR 172.800: Shipper Certification. "I hereby certify that the contents of this consignment are fully and accurately described above by proper shipping name and are classified, packed, marked, and labeled...and are in all respects in proper condition for transport by *mode* per the applicable regulations."

Shipper Declaration for Dangerous Goods (DGD): Required for air transport (IATA DGR). Multi-page document.

49 CFR 172 Subpart I: Training. Hazmat employees must receive training per Part 172.804. Recurrent training every 3 years.

49 CFR 173.6: Materials of Trade exception. Limited hazmat transport by individuals for personal use.

B2B recommendation: For B2B hazmat cases, request supplier hazmat marking + labeling + Shipper Declaration + 24-hour emergency contact + employee training records.

Hazmat Enforcement + Penalties + B2B Procurement

DOT hazmat enforcement is strict. Civil penalties up to USD 87,000 per violation per day. Criminal up to USD 500,000 + 5 years prison.

49 CFR 107: Hazmat enforcement procedures. PHMSA + FRA + FAA + FMCSA + USCG inspectors.

Civil penalties: Up to USD 87,000 per violation per day (2025 inflation-adjusted). Per 49 USC 5123(a)(1).

Criminal penalties: USD 500,000 fine + 5 years prison per violation. Per 49 USC 5124.

Examples: 2023 hazmat violation cases include USD 1-5M settlements for undeclared shipments.

PHMSA hazmat registration: Required per 49 USC 5108 for persons who offer / transport hazmat. USD 250/year (2025).

Hazmat employer: Per 49 USC 5107, person who offers or transports hazmat. Must register + train employees.

B2B procurement workflow: (1) Identify hazmat classification (class + UN/ID + PSN + PG). (2) Verify packaging per 49 CFR Part 178. (3) Apply marking + labeling. (4) Prepare documentation (DGD / manifest / emergency response). (5) Train shipper employees.

Supplier audit: Hazmat training + records + marking accuracy + packaging tests + DOT registration verification.

Common B2B mistakes: (1) Undeclared Li-ion in product. (2) Wrong UN number. (3) Missing marks / labels. (4) Inadequate packaging. (5) No emergency response. (6) No Shipper's Declaration.

Documentation retention: Hazmat shipping records retained 2 years after shipment per 49 CFR 172.201(e).

B2B recommendation: For B2B hazmat cases, request supplier DOT 49 CFR + IATA DGR + IMDG + ADR compliance + Supplier hazmat registration + employee training + documentation retention.

FAQ

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