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


I PRODUCT IDENTIFICATION

Chromium Selenide Metal selenide
Trade Name: Ch em ical Fam ily:
CrSe 130.96
Form ula: Molecular Weight:
12053 -13-3
CAS #:


II HAZAR DOUS INGRED IENTS

Haz ardous C omp onents % OSHA PEL ACGIH TLV Sec. 302 Sec. 304 Sec. 313
1 m g(Cr)/m 3 0.5 m g(Cr)/m 3
Chromium Selenide 0-100 No Yes 1 lb Yes
5 m g/m 3 5 m g/m 3
Chromium Compounds 0-100 No Yes 1 lb Yes


III PHYSICAL DATA

N/E or N /A N/E or N /A
Boiling Point: Melting Point:
6.74 g/cc N/E
Specific Gravity: Vapor Pressure:
N/E or N /A N/E or N /A
Vapo r Density % V olatiles by Weight:
Black m etallic pow der and pieces, no od or. Insoluble
Appearance and Odor: Solubility in H 2O:


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

Extingu ishing Media: Not applicable. 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 and Explosion Hazards: When heated to decomposition, chromium selenide may emit toxic fumes of selenium.


V HEALTH HAZARD INFORMATION

Effects of Exposure:

To the best of our knowledge the chemical, physical and toxicological properties of chromium selenide have not been
thoroughly investigated and recorded. Chromium is a confirmed hum an carcinogen with experimental tumorigenic data. Hum an
poison by inge stion with gastrointestinal effects. (Sax, Dange rous Properties of Industrial Materials, eighth edition).

Selenium compoun ds are poison by inhalation and intravenous routes. Some selenium com pounds are experimental
carcin oge ns. Long -term exposure m ay be a cause o f am yotroph ic lateral sclerosis in hum ans, just as it may ca use "blind staggers" in
cattle. Elemental selenium h as low acute system ic toxicity, bu t dust o r fum es can cause serious irritation of the respirato ry tract.
Inorganic selenium compounds can cause dermatitis. Garlic odor of breath is a common symptom. Pallor, nervousness, depression,
digestive disturbance s and d eath hav e been reported in cases if chronic exp osure (S ax, Da ngero us Prop erties of Indu strial Materials,
eighth edition).
Acute E ffects:

Inhalation: DANGER-POISON . May cause a red, dry throat and garlic odor of breath.
Ingestion: May cause gastrointestinal disorders.
Skin : May cause irritation.
Eye: May cause irritation.

Chro nic Effects:

Inhalation: May cau se pallor, nervousness, depression, histologic fibrosis of lungs, nasal and/or lung canc er.
Ingestion: No chronic health effects recorded.
Skin : May cause dermatitis.
Eye: No chronic health effects recorded.

Target Organs: May affect the respiratory system.

Routes of Entry: Inhalation, skin, ingestion
Medical Conditions Generally Aggravated By Exposure: Pre-existing resp iratory and skin disord ers.

Carcino genicity: NTP: Yes IARC: Yes OSHA: Yes

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 mouth to an unconscious person.
SK IN: Remove contaminated clothing, brush material off skin. Wash affected area with mild soap and water. Seek medical
attention if sym ptom s persists.
EYE: Flush eyes with lukewarm water, lifting upper and lower eyelids, for at least 15 minutes. Seek medical attention if symptoms
persists.


VI REACTIVITY DATA

Stability: Stable

Co nditio ns to Av oid: None
Incompatibility (Material to Avoid): None recorded.

Haz ardous D ecomposition Produc ts: Fumes of selenium
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- Special Protection Information. Isolate spill area and provide ventilation. Vacuum up spill using a high efficiency
particulate absolute (H EPA) air filter and place in a closed container fo r proper d isposal. Tak e care not to raise dust.

Waste Disposal Method: Dispose o f in accord ance w ith local, state and fed eral regulation s.




VIII SPECIAL PROTECTION INFORMATION

Respiratory Protection (Specify Type): NIOSH - approved d ust, mist, vapor cartridge respirator

Ventilation: Use local exhaust to maintain concentrations at or below the PEL, TLV . General exhaust is recommen ded

-Chromium Selenide 2-
Protective Gloves: Rubber Gloves
Eye Protection: Safety Glasses

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


IX SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storing: Store in cool, dry area. Store in tightly sealed container. Wash thoroughly after
handling.

Wo rk Practices: Imp lem ent en gineering and wo rk practice controls to re duc e and ma intain c onc entration o f exp osure at low levels.
Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly before eating and
smok ing. Do not blow dust off clothing or skin with comp ressed 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 "technically qualified individual", as defined
in 40 CFR 710.29(aa).

The above information is accurate to the best of our knowledge. However, since data, safety standards, and government
regulations are subject to change, and the conditions of handling and use or misuse are beyond our control, ESPI makes no warranty,
either expressed nor implied, with respect to the completeness or continuing accuracy of the information contained herein, and
disclaims all liability for reliance thereon. Users should satisfy themselves that they have all current data relevant to their particular
use.


Issued by: S. Dierks
Date: December 2002




-Chromium Selenide 3-

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