Product ID:CRISTOBALITE INLAY INVESTMENT
MSDS Date:05/12/1988
FSC:6520
NIIN:00-958-7092
MSDS Number: BJCRG

Emergency Phone: (313) 946-7800

Info Phone: (313) 946-7800

Cage: EO529

Telephone: (313) 946-7800

Cage: EO529

SILICA, CRYSTALLINE - CRISTOBALITE

CAS: 14464-46-1

RTECS: VV7325000

Fraction By Weight: 73.0%

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.05 MG/M3 RDUST9293

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:YES
Health Hazards Acute and Chronic:EYE: IRRITATION. SKIN: DRY.
INHALATION: LUNG INJURY (SILICOSIS), PULMONARY FIBROSIS & DEATH.
INGESTION: HARDENS WHEN WETTED & MAY RESULT IN AN OBSTRUCTION.
Explanation of Carcinogenicity:IARC REPORTS LIMITED EVIDENCE OF THE
CARCINOGENICITY OF CRYSTALLINE SILICA TO HUMANS. IARC CLASS 2A.
Effects of Overexposure:EYE: IRRITATION. SKIN: DRY. INHALATION: LUNG
INJURY (SILICOSIS), PULMONARY FIBROSIS & DEATH. INGESTION: HARDENS
WHEN WETTED & MAY RESULT IN AN OBSTRUCTION.

First Aid:EYE: WASH W/LARGE AMOUNTS OF WATER. IF IRRITATION PERSISTS,
GET MED ATT. SKIN: WASH W/SOAP & WATER. INHALATION: MOVE EXPOSED
PERSON TO FRESH AIR. INGESTION: CONSULT PHYSICIAN.

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

Handling and Storage Precautions:DON'T BREATHE DUST. KEEP CONTAINER
CLOSED. USE ACCORDING TO DIRECTIONS.
Other Precautions:NONE

Respiratory Protection:USE NIOSH-APPROVED EQUIPMENT.
Ventilation:USE SUFFICIENT LOCAL EXHAUST TO REDUCE THE LEVEL OF
RESPIRABLE CRYSTALLINE SILICA TO THE PEL.
Protective Gloves:OPTIONAL
Eye Protection:GOGGLES
Work Hygienic Practices:USE GOOD PERSONAL HYGIENE.
Supplemental Safety and Health

Boiling Pt:B.P. Text:2230C
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, ODORLESS SOLID

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS, HYDROFLUORIC ACID WHICH PRODUCES THE CORROSIVE GAS
SILICON TETRAFLUORIDE
Stability Condition to Avoid:NONE

Waste Disposal Methods:LANDFILL.

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.