HazmatTable logoHAZMATTABLE
UN identification number

UN1847: Potassium sulfide, hydrated

As listed: Potassium sulfide, hydrated with not less than 30 percent water of crystallization

UN1847 appears 1 time in the Hazardous Materials Table (49 CFR §172.101). Hazard class 8, packing group II.

ID numberUN1847
Hazard class8
Packing groupII
Label codes8

All §172.101 entries for UN1847

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

What it means

8
Class 8 — Corrosive. Materials that destroy skin tissue or corrode steel or aluminum.

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

Label codes (column 6): 8 → Corrosive label.

UN numbers are recognized for international and domestic transport.

Example basic description

UN1847, Potassium sulfide, hydrated, 8, 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 UN1847 in the current PHMSA Emergency Response Guidebook.
How to Read a Hazmat Table Entry poster
Free download

Get the HazmatTable Field Guide poster pack

8 printable hazmat reference posters — reading a table entry, hazard classes, placards, segregation, shipping papers and more. Free, sent to your inbox.

Get the free pack →

Common questions about UN1847

What is UN1847?

UN1847 is the identification number for Potassium sulfide, hydrated in the DOT Hazardous Materials Table (49 CFR §172.101).

What hazard class is UN1847?

UN1847 is listed under hazard class 8 (corrosive).

What packing group is UN1847?

Packing group for UN1847: II. Where several rows exist, the packing group that fits your material decides which row applies.

Looking up materials every day? Unlimited searches are $5/mo — or add AI Search to ask questions in plain English.
See plans →
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.