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File Name: espi-metals_com---cobalt.asp
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MATERIAL SAFETY DATA SHEET


I PRODUCT IDENTIFICATION

Cobalt Cobalt M etal Pro duc ts
Trade Name: Synonym:
Metallic Element Co
Chem ical Nature: Form ula:
7440-4 8-4
CAS#:


II HAZAR DOUS INGRED IENTS

Hazardous Component % OSHA/PEL ACGIH/TLV Sec. 302 Sec. 304 Sec. 313
.1 m g/m 3 .05 m g/m 3
Cobalt 0-100 No No Yes

HM IS Ratings: Hea lth: 3 Flam mab ility: 0 Reactivity: 0
HM IS Protective Equipment: F: glasses, gloves, apron, dust mask.


III PHYSICAL DATA

3100 oC 1493 oC
Boiling Point 760 mm Hg: Melting Point:
8.92 N/A
Density: Vapo r Density:
N/A Insoluble
% V olatiles by Weight: Solubility in H 2O:
Metallic grey, odorless N/A
Appearance and Odor: Vapor Pressure:


IV FIRE AND EXPLOSION H AZARDS DATA

Flash Point (Method used): N/A Autoignition Temperature: N/A
Flam mab le Limits: Upper: N/A Lower: N/A Flam mab ility: Non-flam ma ble

Extingu ishing Media: Use suitable extinguishing media for surrounding materials and type of fire.
Special Fire Fighting Procedures: Firefighters must wear full face, self-contained breathing apparatus with full protective clothing
to prevent contact with skin and eyes. Fumes from fire are hazardous. Isolate runoff to prevent environmental pollution.

Unusual Fire & Explosion Hazard: Contact with strong acids form flammable hydrogen gas. Ignites on contact with bromine
pentafluoride.


V HEALTH HAZARD INFORMATION

Primary Ro utes of exposure: Inhalation, in gestion, skin or ey e con tact.

Effects of Over Expo sure:

Cobalt has a low toxicity by ingestion. Ingestion of soluble salts produces nau sea and vom iting by local irritation. In
animals, administration of cobalt salts produces an increase in the total red cell mass of the blood. In humans, a single case of
poisoning with liver kidney damage has been attributed to cobalt. Locally, cobalt has been shown to produce dermatitis and
investigators have been able to demonstrate a hypersensitivity of the skin to cobalt. There have been reports of hematologic, digestive
and p ulmonary chang es in hum ans.
Acute E ffects:
Inhalation: May cause shortness of breath, coughing, weight loss and pulmonary damage.
Ingestion: Moderately toxic by ingestion. May cause acute cobalt poisoning.
Skin : May cause irritation.
Eye: May cause irritation and possibly damage the cornea.

Chro nic Effects:

Inhalation: May cause diffuse nodular fibrosis and respiratory sensitivity.
Ingestion: No chronic health effects recorded.
Skin : May cause allergic sensitization and derm atitis.
Eye: No chronic health effects recorded.

Target Organs: May affect the respiratory and pulmonary system.

Carcino genicity: NTP: No IARC: No OSHA: No

Medical Conditions Generally Aggravated by Exposure: Pre-existing resp iratory or skin disorde rs.

EMERG ENCY AND FIRST AID PROCEDURES:

INHALATION: Remove victim to fresh air, keep warm and quiet, give oxygen if breathing is difficult and seek medical attention.
INGESTION: Give 1-2 glasses of milk or water and induce vomiting, seek medical attention (Never induce vomiting or give
anything by mou th to an unconscious p erson).
SK IN: Remove contaminated clothing, brush material off skin, wash affected area with mild soap and water, seek medical attention.
EYE: Flush eyes with lukewarm water, lifting upper and lower eyelids, for at least 15 minutes. Seek medical attention.


VI REACTIVITY DATA

Stability: Stable

Co nditio ns to Av oid: None
Incompatibility (Material to Avoid): Stron g acid s, oxid izing agen ts, hydrazinium nitrate, amm oniu m n itrate + h eat, 1,3 ,4,7
tetramethylisindol, bromine pentafluoride.

Haz ardous D ecomposition Produc ts: Hydrogen gas.
Hazardous Polymerization: Will not occur.


VII SPILL OR LEAK PROC EDURES

Steps to be Taken in Case Material is Released or Spilled: We ar appropriate respira tory and protective equipm ent specified in
Section VIII. Isolate spill area and provide ventilation. Vacuum up spill using a high efficiency particulate absolute (HEPA ) air filter
and place in a closed container fo r disposal. T ake care n ot to raise dust.

Waste Disposal Method: In accord ance w ith Loca l, State and Federal w aste disposal reg ulations.


VIII SPECIAL PROTECTION INFORMATION

Respiratory Protection (Specify Type): NIOSH approved dust respirator
Ventilation: Loc al exh aust ventilation m ay be nec essary to control any air con taminants to within the reco mm end ed PEL , TLV.
Mechanical exhaust is not recommended.

Protective Gloves: Rubb er glove s.
Eye Protection: Safety glasses.

Other Clothing and Equipment: Protective gear suitable to prevent contamination.

-Cobalt 2-
IX SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storage: Store in a tightly sealed containe r, in a cool, dry , well-ven tilated area. Wash
thoroughly after handling. Avoid contact with skin and eyes. Avoid breathing dust. Use only with adequate ventilation.

Wo rk/Hygienic/Maintenance Practices: Implement engineering and work practice controls to reduce and maintain concentration of
exp osure at low levels. U se go od h ousekeeping and san itation p ractices. Do not u se tobacco or food in wo rk are a. W ash thorough ly
before eating and sm oking. Do not blow du st off clothing or skin with com pressed air.

Some of the chemicals listed herein are research or experimental substances which may be toxic, as defined by various
governmental regulations. In accordance with Environmental Protection Agency regulations and the Toxic Substance Control Act
(TSCA), these materials should only be handled by, or under the direct supervision of, a 鈥渢echnically qualified individual鈥?, as defined
in 40 CFR 710.2(aa).

The above information is accurate to the best of our knowledge. However, since data, safety standards, and governmental
regulations are subject to change, and the conditions of handling and use or misuse are beyond our control, ESPI MAKES NO
WARRANTY, EITHER EXPRESSED OR IMPLIED, WITH RESPECT TO THE COMPLETENESS OR CONTINUING
ACCURACY OF THE INFORM ATION CONTAINED HEREIN, AND DISCLAIMS ALL LIABILITY FOR RELIANCE
THE REON . Users should satisfy themselves that they have all current data relevant to their particular use.


Issued by: S. Dierks
Date: June 2002




-Cobalt 3-

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