Product ID:JAN 249C HALF WAVE RECTIFIER
MSDS Date:08/01/1988
FSC:5960
NIIN:00-108-0265
MSDS Number: CDGNG

CETRON ELECTRONICS DIV RICHARDSON ELECTRONICS LTD

40W267 KESLINGER RD
LAFOX (FORMALLY IN GEVEVA), IL 60147
US

Emergency Phone: 312-232-6400 /800-523-6970

Info Phone: 312-232-6400 /FAX 708-208-2559

Preparer: PJ IGOE

Cage: 72241

NATIONAL ELECTRONICS DIV OF RICHARDSON ELECTRONICS

LAFOX, IL 60147 US

Telephone: 708-208-2300

Cage: 83781

MERCURY (SARA 313) (CERCLA)

CAS: 7439-97-6

RTECS: OV4550000

OSHA PEL C, 0.1 MG/M3; Z-2

ACGIH TLV: S,0.025 MG/M3; A4;96

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

LD50 LC50 Mixture:LC (INHALATION-RABBIT)= 29 MG/CUM(30HRS)
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EXPOSURE TO MERCURY FROM RUPTURED
TUBES MAY CAUSE CNS EFFECTS/DAMAGE, EROSION OF RESPIRATORY/GI
TRACTS, RESPIRATORY DAMAGE/IRRITATION. CHRONIC: PROLONGED OR
REPEATED EXPOSURE TO MERCURY MAY CAUSE CNS DAMAGE, KIDNEY DAMAGE,
EYE DAMAGE, AND DERMATITIS.
Explanation of Carcinogenicity:MERCURY IS NOT LISTED AS A CARCINOGEN OR
SUSPECTED CARCINOGEN BY NTP, IARC, OR OSHA.
Effects of Overexposure:NAUSEA, VOMITING, BLOODY DIARRHEA, SHOCK,
HEADACHE, GINGIVITIS, SALIVATION, TREMORS, EMOTIONAL PROBLEMS, LOSS
OF CONCENTRATION, DEPRESSION, DROWSINESS, PNEUMONITIS, CHEST PAIN,
DYSPNEA, INSOMNIA, LOSS OF MEMORY, KIDNEY PROBLEMS, EYE LESIONS,
VISION DISTURBANCES.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHALED: REMOVE TO FRESH AIR. GET MEDICAL ATTENTION. EYES:
FLUSH WITH LOTS OF WATER FOR 15 MINUTES, HOLD LIDS OPEN. GET
MEDICAL ATTENTION. SKIN: WASH WITH SOAP AND WATER. INGESTED: GET
IMMEDIATE MEDIC AL ATTENTION. NOTE TO DOCTOR-IF INDICATED BY AMOUNT
INGESTED, USE SALINE CATHARTICS & CHARCOAL. CHELATION THERAPY WITH
D- PENICILLAMINE MAY ALSO BE INDICATED.

Extinguishing Media:MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS AND
FULL PROTECTIVE GEAR.
Unusual Fire/Explosion Hazard:WHEN EXPOSED (AND/OR TUBE RUPTURES)
MERCURY CAN VAPORIZE FORMING EXTREMELY TOXIC FUMES.

Spill Release Procedures:VACUUM BROKEN PIECES OF TUBE WITH VACUUM
EQUIPPED WITH HEPA FILTRATION OF EXHAUST OR SPECIAL BUILT VACUUM
FOR MERCURY.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE. PROTECT
FROM PHYSICAL DAMAGE.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:NONE NORMALLY REQUIRED. IF EMERGENCY OCCURS AND
TUBES RUPTURE; USE NIOSH/MSHA APPROVED RESPIRATOR OR SCBA. USE IN
ACCORDANCE WITH 29 CFR 1910.134.
Ventilation:NONE NORMALLY REQUIRED.
Protective Gloves:SPILL-RUBBER.
Eye Protection:SAFETY GLASSES
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:WASH HANDS AFTER USE AND BEFORE EATING,
DRINKING, OR SMOKING. LAUNDER CONTAMINATED CLOTHES BEFORE REUSE.
Supplemental Safety and Health
MSDS SUPPLIED BY MANUFACTURER WAS FOR PURE MERCURY, NOT AN ELECTRON
TUBE CONTANING SOME FORM OF MERCURY. ITEM OF SUPPLY MEETS
DEFINITION BY OSHA FOR AN ARTICLE AND DOES NOT REQUIRE AN MSDS.

HCC:N1
Solubility in Water:INSOLUBLE
Appearance and Odor:METAL SHROUDED ELECTRON TUBE

Stability Indicator/Materials to Avoid:YES
ACETYLENE, AMMONIA, BORON PHOSPHOIODIDE, CHLORINE, CHLORINE DIOXIDE,
METHYL AZIDE, SODIUM, NITRIC, OLEUM, SULFURIC ACID
Stability Condition to Avoid:CONTACT WITH INCOMPATIBLE MATERIALS. HIGH
TEMPERATURES.
Hazardous Decomposition Products:MERCURY METAL FUMES IF TUBE INTEGRITY
LOST, ESPECIALLY UNDER CONDITIONS OF HIGH TEMPERATURES OR FIRE.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND
FEDERAL REGULATIONS FOR MERCURY. EPA WASTE NUMBER U121 MAY APPLY.
CERCLA RQ= 1 POUND.

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.