Product ID:PYROMELLITIC DIANHYDRIDE(PMDA)
MSDS Date:01/01/1985
FSC:6810
NIIN:00-142-9555
MSDS Number: BDBWF

Emergency Phone: (302) 774-2421

Cage: 19898

Telephone: 800-441-7515;800-441-9442

Cage: 19898

1,2,4,5-BENZETETRACARBOXYLIC DIANHYDRIDE;CAS #89-32-7

CAS: 89-32-7

RTECS: DB9300000

Fraction By Weight: 100%

Effects of Overexposure:ING:CAUSES DISCOMFORT,LOSS OF WT,SEVER
DIARRHEA;SKIN/EYES/INH:CAUSES ACUTE IRRITATION.

First Aid:GET MED ATTN FORING & REMOVE CONTAMINATED CLOTHING.

Extinguishing Media:MFR NOTES USE WATER ON FIRES INVOLVING PMDA.
Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:DO NOT TOUCH SPILLED MATL. ELIMINATE IGNITION
SOURCES. KEEP COMBUSTIBLES AWAY. SM DRY SPILL: SHOVEL INTO CONT &
COVER. SM LIQ SPILL: ABSORB W. SAND,EARTH,OTHER ABSORB MATL. LG
SPILL: DIKE,DILUTE H*20

Handling and Storage Precautions:STORE IN LOW RELATIV HUMIDITY AREA.
Other Precautions:PMDA IS HYGROSCOPIC.WHEN EXPOSED TO MOISTURE,RESULTS
HYDROLYSIS TO PYROMILLITIC ACID(PMA);MAINTAIN MINIMAL SEPARATION
FROM OTHER CHEMICALS.

Respiratory Protection:CONVENTIONAL(AIRLINE RESPIRATOR MASK IF
AVAILABLE
Ventilation:MECH(GEN)OR LOCAL EXHAUST THAT PROVIDES ADEQUATE
VENTILATION
Protective Gloves:RUBBER
Eye Protection:GOGGLES
Other Protective Equipment:EXPOSED SKIN MUST BE COVERED.
Supplemental Safety and Health
MSDS FM MFR UNDATED;PRODUCT HYDROLYZES IN MOISTURE.

HCC:N1
Boiling Pt:B.P. Text:397-400C
Spec Gravity:1.68
Appearance and Odor:WHITE ODORLESS POWDER

Stability Indicator/Materials to Avoid:YES
NONE
Stability Condition to Avoid:DO NOT EXPOSE TO MOISTURE
Hazardous Decomposition Products:CO,CO*2,H*20

Waste Disposal Methods:INCINERATE IN APPROVED INCINERATOR OR DISPOSE OF
IN APPROVED CHEMICAL DUMP IN ACCORDANCE WITH LOCAL,STATE & FEDERAL
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.