Product ID:JAN 5687WB ELECTRON VACUUM TUBES
MSDS Date:03/15/1994
FSC:5960
NIIN:00-179-4749
MSDS Number: BXVNX

MPD INC.(FORMERLY GENERAL ELECTRIC CO)

316 E 9TH STREET
OWENSBORO, KY 42301-2312
US

Emergency Phone: 502-685-6200

Info Phone: 502-685-6200

Cage: 33173

MPD INC.(FORMERLY GENERAL ELECTRIC CO)

OWENSBORO, KY 42303-2312 US

Telephone: 502-685-6200

Cage: 33173

TUNGSTEN

CAS: 7440-33-7

RTECS: YO7175000

Fraction By Weight: <98%

OSHA PEL 5 MG/M3

ACGIH TLV: 5 MG/M3

RHENIUM 185

Fraction By Weight: <98%

RHENIUM 187 (SPECIFIC ACTIVITY APPROXIMATELY 0.000089

Fraction By Weight: 2%

Routes of Entry: Inhalation:NO Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: SKIN CONTACT WITH TUBE DURING
OPERATION MAY CAUSE THERMAL BURNS. CHRONIC: NONE SPECIFIED BY
MANUFACTURER.
Explanation of Carcinogenicity:NO INGREDIENT OF A CONCENTRATION OF 0.1%
OR GREATER IS LISTED AS A CARCINOGEN OR SUSPECTED CARCINOGEN.
Effects of Overexposure:SKIN-PAIN, BURNS, BLISTERS, REDNESS.
Medical Cond Aggravated by Exposure:NONE KNOWN.

First Aid:NO EMERGENCY CARE ANTICIPATED. IF BURNED, SEE DOCTOR.

Flash Point:NON-FLAMMABLE
Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:NONE.
Unusual Fire/Explosion Hazard:ELECTRON TUBES OPERATE UNDER HIGH VACUUM
AND IMPLOSION COULD OCCUR AT HIGH TEMPERATURES DURING FIRES OR
DURING DISPOSAL PROCEDURES.

Spill Release Procedures:NONE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:NONE.
Other Precautions:NONE.

Respiratory Protection:NONE.
Ventilation:NONE.
Protective Gloves:NONE.
Eye Protection:NONE.
Other Protective Equipment:NONE.
Work Hygienic Practices:NONE.
Supplemental Safety and Health
HETAER WIRE FILAMENTS CONTAIN 2% RHENIUM 187 (SPECIFIC ACTIVITY 0.00445
UCI/GRAM) AND THE BALANCE IS TUNGSTEN AND RHENIUM 185 (NOT
RADIOACTIVE). THE CALCULATED SPECIFIC ACTIVITY OF THE FILAMENT IS
0.0 00089 UCI/GRAM. THE MIL-HBDK-600 SPECIFIES SPECIFIC ACTIVITY
MUST EXCEED 0.002 UCI TO BE RADIOACTIVE; THIS TUBE IS NOT.

HCC:N1
Solubility in Water:NONE.
Appearance and Odor:GLASS ENVELOPE; NO ODOR.

Stability Indicator/Materials to Avoid:YES
NONE.
Stability Condition to Avoid:NONE.
Hazardous Decomposition Products:NONE.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND
FEDERAL ENVIRONMENTAL REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.