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COBALT(II) OXIDE ICSC: 1551
Date of Peer Review: October 2004

 Cobaltous oxide
CI Pigment black 13
CAS # 1307-96-6 CoO
RTECS # GG2800000 Molecular mass: 74,9
UN # 3288
EC # 027-002-00-4
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible.

In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!

Inhalation Cough. Sore throat. Laboured breathing. Shortness of breath.
Local exhaust or breathing protection.
Fresh air, rest. Refer for medical attention.
Skin
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes Redness. Pain.
Safety goggles, or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Abdominal pain. Nausea.
Do not eat, drink, or smoke during work.
Rinse mouth.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place.
EU Classification
Symbol: Xn, N
R: 22-43-50/53
S: (2-)-24-37-60-61
UN Classification
UN Hazard Class: 6.1
UN Pack Group: II
EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-61GT5-II
Separated from hydrogen peroxide.
IPCS
International
Programme on
Chemical Safety 		Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities © IPCS, CEC 2004

SEE IMPORTANT INFORMATION ON BACK
COBALT(II) OXIDE ICSC: 1551
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
BLACK TO GREEN CRYSTALS OR POWDER.

CHEMICAL DANGERS:
Reacts with hydrogen peroxide.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: (as Co) 0.02 mg/m³ as TWA; A3; BEI issued; (ACGIH 2004).
MAK: (inhalable fraction) Sah; Carcinogen category: 2; Germ cell mutagen group: 3A; (DFG 2004).
 		ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

INHALATION RISK:
A harmful concentration of airborne particles can be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:
May cause mechanical irritation. Inhalation of may cause asthma-like reactions.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact may cause skin sensitization. Repeated or prolonged inhalation exposure may cause asthma. This substance is possibly carcinogenic to humans.
PHYSICAL PROPERTIES
Melting point: 1935°C
Density: 5.7-6.7 g/cm³
Solubility in water: none
ENVIRONMENTAL DATA

NOTES
Depending on the degree of exposure, periodic medical examination is suggested. Anyone who has shown symptoms of asthma due to this substance should avoid all further contact. The symptoms of asthma often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Do NOT take working clothes home.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
© IPCS, CEC 2004 



    See Also:
       Toxicological Abbreviations