Cobalt naphthenate

  • Naftolite
  • Naphthenic acids, cobalt salts
Formula
Co(C11H10O2)2
Description
Brown powder or bluish-red solid.
Uses
Wood Preservative, Insecticide, Fungicide

Registry Numbers and Inventories.
CAS
61789-51-3
EC (EINECS/ELINCS)
263-064-0
RTECS
QK8925000
RTECS class
Tumorigen; Primary Irritant
UN (DOT)
2001
Beilstein/Gmelin
NA
EPA OPP
25101
Swiss Giftliste 1
G-2331
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C22H20CoO4
Formula mass
407.3
Melting point, °C
140
Density
0.95 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Protective gloves and clothing. Safety goggles or eye protection in combination with breathing protection if in powder form.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Keep sparks, flames, and other sources of ignition away. Keep material out of water sources and sewers.
Stability
No data.
Decomposition
Toxic fumes are formed when this material is heated.

Fire.
Flash Point,°C
49
Autoignition, °C
276
Fire fighting
Solid streams of water may spread fire. Use water in flooding quantities as fog. Use dry chemical, graphite, or dry earth.
Fire potential
Flammable/combustible material.
Hazards
May be ignited by friction, heat, sparks or flames. Some may burn rapidly with flare burning effect. Powders, dusts, shavings, borings, turnings or cuttings may explode or burn with explosive violence. Substance may be transported in a molten form. May re-ignite after fire is extinguished.
Combustion products
Fire may produce irritating and/or toxic gases.
Health
1
 
Flammability
2
 
 
Reactivity
0
 

Health.
Exposure limit(s)
TLV (as Co dust): ppm; 0.05 mg/m3 (ACGIH 1991-1992).
Carcinogin
G-A3, I-2B
Poison_Class
4
Exposure effects
   Ingestion
Diarrhea, weakness.
   Inhalation
Cough, shortness of breath, sore throat, wheezing. Aerosol irritates the eyes and respiratory tract.
   Skin
Redness, pain.
   Eyes
Redness, pain.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes. Wash skin with soap and water.
   Eyes
In case of contact with substance, immediately flush with running water for at least 20 minutes.

Transport.
UN number
2001
Response guide
Hazard class
4.1
Packing Group
III
 
USCG CHRIS Code
CNS
 
Std. Transport #
4917410
 
IMO Chemical Code
17
IMO Pollution Category
A
IMO Hazard code
S/P