Product ID:CRISTOBALITE INLAY INVESTMENT
MSDS Date:05/07/1993
FSC:6520
NIIN:00-958-7092
MSDS Number: BTVRJ

KERR MANUFACTURING CO

28200 WICK RD
ROMULUS, MI 48174-0908
US

Emergency Phone: 800-424-9300

Info Phone: 313-946-7800

Cage: EO529

KERR MANUFACTURING COMPANY, DIVISION OF SYBRON COR

ROMULUS, MI 48174 US

Telephone: (313) 946-7800

Cage: EO529

SILICA CRYSTALLINE, SILICA (CRISTOBALITE) (SUSPECTED HUMAN

CAS: 14464-46-1

RTECS: VV7325000

Fraction By Weight: 70-75%

OSHA PEL 0.05 MG/CUM (DUST)

ACGIH TLV: 0.05 MG/CUM (DUST)

CALCIUM SULFATE

CAS: 7778-18-9

RTECS: WS6920000

Fraction By Weight: 25-30%

OSHA PEL 5 MG/CUM (DUST)

ACGIH TLV: 10 MG/CUM

Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:EYES: MAY CAUSE IRRITATION. SKIN: MAY
CAUSE DRY FEELING. INHALATION: PROLONGED EXPOSURE TO RESPIRABLE
CRYSTALLINE SILICA MAY CAUSE CHRONIC LUNG INJURY (SILICOSIS). ACUTE
DEVELOPING SILICOSIS CAN BE PR OGRESSIVE & MAY LEAD TO DEATH.
INGESTION: HARDENS WHEN WETTED & MAY RESULT IN AN OBSTRUCTION.
Explanation of Carcinogenicity:SEE INGREDIENTS
Effects of Overexposure:EYES: MAY CAUSE IRRITATION. SKIN: MAY CAUSE DRY
FEELING. INHALATION: PROLONGED EXPOSURE TO RESPIRABLE CRYSTALLINE
SILICA MAY CAUSE CHRONIC LUNG INJURY (SILICOSIS). ACUTE DEVELOPING
SILICOSIS CAN BE PR OGRESSIVE & MAY LEAD TO DEATH. INGESTION:
HARDENS WHEN WETTED & MAY RESULT IN AN OBSTRUCTION.

First Aid:EYES: WASH IMMEDIATELY W/LARGE AMOUNTS OF WATER. SKIN: WASH
W/SOAP & WATER. INHALATION: MOVE TO FRESH AIR AT ONCE. OBTAIN
MEDICAL ATTENTION IN ALL CASES.

Spill Release Procedures:VENTILATE AREA. SWEEP UP. AVOID UNNECESSARY
STIRRING/HANDLING IN ORDER TO PREVENT FORMATION OF DUST.

Handling and Storage Precautions:DON'T BREATH DUST. KEEP CONTAINER
CLOSED. AVOID UNNECESSARY EXPOSURE.
Other Precautions:USE ACCORDING TO DIRECTIONS.

Respiratory Protection:USE NIOSH APPROVED EQUIPMENT.
Ventilation:SUFFICIENT LOCAL EXHAUST TO REDUCE LEVEL OF RESPIRABLE
CRYSTALLINE SILICA TO PEL.
Protective Gloves:OPTIONAL
Eye Protection:GOGGLES
Other Protective Equipment:HAND LOTION
Work Hygienic Practices:USE GOOD PERSONAL HYGIENE & SAFETY PRACTICES.
Supplemental Safety and Health

Boiling Pt:B.P. Text:4046F
Melt/Freeze Pt:M.P/F.P Text:1600F
Vapor Pres:0
Spec Gravity:2.6
Solubility in Water:INSOLUBLE
Appearance and Odor:OFF WHITE SOLID W/NO ODOR

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS
Stability Condition to Avoid:NONE
Conditions to Avoid Polymerization:HYDROFLUORIC ACID, IN WHICH SILICA
WILL DISOLVE & PRODUCE THE CORROSIVE GAS SILICON TETRAFLUORIDE.

Waste Disposal Methods:LANDFILL IAW/FEDERAL, STATE & LOCAL 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.