Free reference data

The DOT Hazmat Table, as an XLSX.

Name: 49 CFR § 172.101 Hazardous Materials Table — XLSX snapshot
Creator: HaulGuard AI LLC
License: https://creativecommons.org/licenses/by/4.0/
Keywords: DOT, PHMSA, hazmat, 49 CFR, 172.101, hazardous materials table, HMT, UN number, NA number, eCFR

The 49 CFR § 172.101 Hazardous Materials Table — 3,003 entries / 2,334 unique UN/NA numbers, all 14 columns, byte-verified against the eCFR HTML. PHMSA publishes the regulation; we publish the spreadsheet.

What's in the file

Microsoft Excel (.xlsx). Plain data, no formulas, no macros.

Entries3,003 with UN/NA/ID
Distinct IDs2,334 UN/NA/ID numbers
Cross-refs683 "see X" navigation rows
ColumnsAll 14 from § 172.101
Size~272 KB
Sheets4 (About + data + 2 references)

All 14 columns: Symbols, PSN, Hazard Class, ID Number, PG, Label Codes, Special Provisions, Packaging (8A/8B/8C), Qty Limits (9A/9B), Vessel Stowage (10A/10B)
"About this file" sheet with full attribution, methodology, and the SHA-256 you can verify
Symbol legend and column reference sheets included
Brand banner + print headers — survives copy-paste so the source is always traceable
Continuation rows for multi-PG materials correctly recovered (UN1133 Adhesives gets PG I/II/III, etc.)

Source: Electronic Code of Federal Regulations (eCFR Part 172 Subpart B)
Snapshot: 2026-05-15
Verification: Byte-verified against the eCFR HTML across all 14 columns: zero field mismatches.
SHA-256: 9a7f0583f0184744021d661965453a5f2cfd89ff5a77cad43cc4cbea24d23887

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CC BY 4.0

Licensed under Creative Commons Attribution 4.0 International. The underlying 49 CFR text is a US federal-government work and is in the public domain. The cleaning, verification, formatting, and metadata in this file are © 2026 HaulGuard AI LLC and released under CC BY 4.0. Use it freely — please credit "HaulGuard AI — 49 CFR § 172.101 HMT compilation — haulguard.ai/hazmat-table".

Need more than a lookup table?

HaulGuard scans the Bill of Lading, generates the placards under § 172.504, checks segregation under § 177.848, and produces a tamper-evident audit trail your driver can present at inspection. The table above is one input. The product is the engine.

See HaulGuard pricing