UNunnums
1847

UN 1847Potassium sulfide, hydrated with not less than 30 percent water of crystallization

Class 8

Corrosives

Summary

UN 1847 is the UN number for potassium sulfide, hydrated with not less than 30 percent water of crystallization. It is classed in Class 8 (corrosives) for transport. Packing group II. Emergency responders use ERG guide 153.

Emergency response

The Emergency Response Guidebook (ERG2024) guide for this number:

  • Guide153Potassium sulfide, hydrated, with not less than 30% water of crystallizationPotassium sulphide, hydrated, with not less than 30% water of crystallization

From the 2024 Emergency Response Guidebook (ERG2024), published by U.S. Department of Transportation, PHMSA. Read the full guide in the ERG or on CAMEO Chemicals.

Identification

UN number
UN 1847
Name
Potassium sulfide, hydrated with not less than 30 percent water of crystallization
Hazard class
Class 8: Corrosives
Packing group
II
What the class covers
Substances which can damage living tissue or other goods and materials on contact.

U.S. Hazardous Materials Table

The entry for this number in 49 CFR 172.101.

  • UN1847Potassium sulfide, hydrated

    with not less than 30 percent water of crystallization

    Special provisions: IB8, IP2, IP4, T3, TP33

    Class
    8
    Packing group
    II
    Labels
    8

From the eCFR edition of 49 CFR 172.101 dated 2026-10-05 (section last amended 2026-09-08). The eCFR is an editorial compilation, not the official legal edition. Read the current table.

About Class 8

Class 8 covers corrosive substances such as acids, alkalis and battery fluid, which can destroy skin or corrode metal on contact.

See all Class 8 UN numbers

Check the official sources

For emergency response, packaging and quantity limits, use these: