Agent Name

Cobalt bis(2-ethylhexanoate)

CAS Number

136-52-7

Formula

C8-H16-O2.1/2Co

Major Category

Metals

Synonyms

2-Ethylhexanoic acid cobalt(2+) salt; 8SEH-Co; C 101; C 101 (catalyst); CO 12; Cobalt 2-ethylhexoate; Cobalt octoate; Cobalt(II) 2-ethylhexanoate; Cobaltous 2-ethylhexanoate; Cobaltous octoate; Hexanoic acid, 2-ethyl-, cobalt(2+) salt; NL 49P; NL 51P; NL 51S; Versneller NL 49; [ChemIDplus]

Category

Organic Acids, Metal Salts

Description

Blue liquid; [HSDB] Clear purple-blue liquid; Insoluble in water; Available as 65% solution by weight in mineral spirits; [MSDSonline]

Sources/Uses

Used as paint drier, whitener, and catalyst; [HSDB]

Comments

A case of occupational allergic contact dermatitis was reported; [Reference #1] Available as a 65% by weight solution in mineral spirits; [HSDB] High concentrations of vapor cause eye and respiratory tract irritation, and may cause drowsiness; [MSDSonline] See "Naphtha (coal tar)." See "Cobalt."

Reference Link

Offset printer's occupational allergic contact dermatitis caused by cobalt-2-ethylhexoate.

Exposure Assessment
BEI

Cobalt in urine = 15 ug/L; sample at end of shift at end of workweek;

TLV (ACGIH)

0.02 mg/m3, as Co

Adverse Effects
Skin Sensitizer

Yes

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: