Product ID:ORTHO STONE 61255
MSDS Date:10/25/1985
FSC:6520
NIIN:00F010962
MSDS Number: BHZTK

Emergency Phone: (818) 445-7960

Info Phone: (818) 445-7960

Preparer: JAMES FORBES

Cage: 90444

Telephone: (213) 445-7960

Cage: 90444

PLASTER OF PARIS (CALCIUM SULFATE DIHYDRATE)

CAS: 10101-41-4

RTECS: EW4150000

Fraction By Weight: 100%

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 10 MG/M3 TDUST; 9293

Routes of Entry: Inhalation:NO Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SKIN: MAY DEVELOP SUFFICIENT HEAT TO
CAUSE BURNS IF A LARGE MASS IS CAST & KEPT IN CONTACT WHILE
HARDENING. EYES: DUST MAY IRRITATE. INGESTION: MATERIAL HARDENS
WHEN WETTED & MAY RESULT IN OBSTRUCTION .
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SKIN: MAY DEVELOP SUFFICIENT HEAT TO CAUSE
BURNS IF A LARGE MASS IS CAST & KEPT IN CONTACT WHILE HARDENING.
EYES: DUST MAY IRRITATE. INGESTION: MATERIAL HARDENS WHEN WETTED &
MAY RESULT IN OBSTRUCTION .

First Aid:EYES: FLUSH WITH WATER TO REMOVE PARTICLES, IF IRRITATION
CONTINUES, SEE PHYSICIAN. SKIN: WASH WITH WATER. INHALATION: REMOVE
TO FRESH AIR.

Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:SWEEP UP. ADDITION OF WATER MAY CAUSE MATERIAL
TO SOLIDIFY.

Handling and Storage Precautions:STORE IN A COOL, DRY LOCATION.
EXCESSIVE MOISTURE CONDITIONS WILL CAUSE PRODUCT TO HARDEN.
Other Precautions:AVOID CREATING EXCESSIVE DUST.

Respiratory Protection:NIOSH APPROVED RESPIRATOR WHEN DUST CONDITIONS
EXCEED TLV LEVELS.
Ventilation:LOCAL EXHAUST: IF DUST CONDITIONS EXCEED TLV LEVELS.
Protective Gloves:NOT REQUIRED
Eye Protection:GOGGLES, SAFETY GLASSES
Other Protective Equipment:NOT REQUIRED
Supplemental Safety and Health

Spec Gravity:2.7
Solubility in Water:SLIGHT
Appearance and Odor:WHITE, ODORLESS POWDER

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:MOISTURE & HEAT
Hazardous Decomposition Products:TOXIC FUMES OF SULFUR OXIDE

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE, AND
FEDERAL REGULATIONS FOR NON-HAZARDOUS MATERIALS.

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.