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UN identification number

UN1506: Strontium chlorate

UN1506 appears 1 time in the Hazardous Materials Table (49 CFR §172.101). Hazard class 5.1, packing group II.

ID numberUN1506
Hazard class5.1
Packing groupII
Label codes5.1

All §172.101 entries for UN1506

Proper shipping nameClassPGLabels
Strontium chlorate5.1II5.1

Open any entry for packaging sections, special provisions, air limits and vessel stowage.

What it means

5.1
Class 5.1 — Oxidizer. Materials that give up oxygen and can cause or intensify the burning of other materials.

Packing group ranks danger within the class: PG II = medium danger.

Label codes (column 6): 5.1 → Oxidizer label.

UN numbers are recognized for international and domestic transport.

Example basic description

UN1506, Strontium chlorate, 5.1, PG II

Proper shipping name shown without the table's italic descriptive text. Order per §172.202: ID number, proper shipping name, hazard class, packing group. Example only — add technical names, “RQ”, quantities and other elements your shipment requires.

What to check next

  1. Match the name. Compare your SDS Section 14 to the proper shipping names above and pick the row with your packing group.
  2. Read the special provisions on the entry page (§172.102) — they can add limits or exceptions.
  3. Check packaging — the entry page lists the Part 173 sections for exceptions, non-bulk and bulk.
  4. Labels & placards. Placarding depends on class and quantity — see Table 1 vs Table 2.
  5. Emergency response. Find the response guide for UN1506 in the current PHMSA Emergency Response Guidebook.
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Common questions about UN1506

What is UN1506?

UN1506 is the identification number for Strontium chlorate in the DOT Hazardous Materials Table (49 CFR §172.101).

What hazard class is UN1506?

UN1506 is listed under hazard class 5.1 (oxidizer).

What packing group is UN1506?

Packing group for UN1506: II. Where several rows exist, the packing group that fits your material decides which row applies.

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Source: Hazardous Materials Table (49 CFR §172.101), eCFR.gov — current as of Oct 23, 2026. View the official table. Reference only — verify current requirements before shipping.