Product Safety Summary —Copper Naphthenate

Chemical Identity

Copper Naphthenate — Trade Name CuNap8
CAS# 1338-02-09

Also commonly called:

• Copper salt

Also contains

• Hydrocarbon solvent

Product Overview

• Copper Naphthenate is a copper salt formed by reacting naphthenic acid and a copper containing compound. The primary use of Copper Naphthenate is as an Industrial Wood Preservative.

• The primary advantages of CuNap8 are
  • Does not leach from treated wood into surrounding soils
  • Does not leach from treated wood into surrounding water
  • CuNap8 is not an EPA Hazardous waste
  • Wood Products treated with CuNap8 are not EPA Hazardous Wastes
• Primary Industrial uses include
  • Utility Poles
  • Pilings
  • Bridge Timbers
  • Railroad crossties
  • Fence posts
• The primary hazard is as an eye and skin irritant. May also be harmful if ingested. There are no known chronic, mutagenic, or teratogenic effects.
• The material is stable at standard temperatures and pressure and is not reactive.
• For further health and safety information, please see the MSDS.

Physical/Chemical Properties

• Blue-green liquid with a petroleum odor
• pH — n/a
• Boiling point — 540°F to 640°F
• Freezing Point — not established
• Specific Gravity — 1.01 to 1.05
• Vapor Density (Air = 1) = >1
• Not water soluble
• Not reactive, stable at standard temperature and pressure

Health Information

Copper Naphthenate is an eye and skin irritant; it can also be harmful if ingested.  There are no known chronic, teratogenic, or mutagenic effects.

Skin contact

Wash affected areas with soap and water

Ingestion

Quickly give 3 glasses of water or milk to drink.  Do not induce vomiting.

Inhalation

Remove to fresh air.  Seek medical attention if there is persistent respiratory tract irritation.

Eye contact

Flush with water for 15 minutes.  If irritation persists seek medical attention.

Environmental Information

• Ecotoxicity — no known effects
• Persistence and degradability — not known
• Bioaccumulation potential — not known
• Mobility in soil — none known

Additional Hazards

None known

Exposure Potential

Copper Naphthenate is intended as an industrial product only; no direct consumer contact is expected to occur. Industrial users should handle this material in strict accordance with MSDS guidelines and common industry practices.