UN/NA Number Reference
DOT Class 6.1 Toxic Substance placard

UN 2567: Sodium pentachlorophenate

49 CFR 172.101 Hazardous Materials Table·ERG 2024

DOT Classification and Shipping

UN 2567 is assigned the proper shipping name Sodium pentachlorophenate in the U.S. DOT Hazardous Materials Table (49 CFR 172.101). It is classified as a Class 6.1 Toxic Substance material, Packing Group II. Required label(s): 6.1.

Packing group indicates the degree of danger within a hazard class: PG I is high danger, PG II medium, PG III low. The proper shipping name, hazard class, UN number, and packing group together form the basic shipping description that must appear on shipping papers and, where required, on the package and placard.

Emergency Response (ERG Guide 154)

Hazards: TOXIC. Corrosive. Non-combustible but may decompose producing toxic fumes when heated.

Fire: Use agent appropriate for surrounding fire. Cool containers.

Spill: Do not touch. Avoid inhalation. Use water spray to reduce fumes.

Chemical and Physical Properties

Sodium pentachlorophenate is a white or tan, powdered solid. It is soluble in water and may burn, but it is not easily ignited. It may be toxic by ingestion, inhalation and skin absorption. It is used as a fungicide, herbicide and as a disinfectant.

CAS Number: 131-52-2
Molecular Formula: C6Cl5NaO
Molecular Weight: 288.3 g/mol
Color / Form: White crystalline solid
Odor: Phenolic odor
Boiling Point: Decomposes.
Specific Gravity: 2.0 mg/L
Water Solubility: In water, 3.30X10+5 mg/L at 25 C
Log P: log Kow = 1.3 at pH 10
pH: Aqueous solution has alkaline reaction

Special Provisions

49 CFR 172.102 special provision codes for this entry: IB8, IP2, IP4, T3, TP33. These codes modify the general requirements (packaging, quantity limits, exceptions) for this specific material. Look up each code in 49 CFR 172.102 for the full text.

Need the full interactive record? Open UN 2567 in the SpillNerd lookup tool for the live database entry with placard graphics, GHS pictograms, full segregation tables, and synonym search. For another material, use the UN number and chemical lookup.

Reference data compiled from the DOT Hazardous Materials Table (49 CFR 172.101), the 2024 Emergency Response Guidebook, and public chemical databases (PubChem, NIOSH, EPA). Always verify the correct shipping description against the current regulation and the manufacturer's SDS Section 14 before shipping.