LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:PROLONGED EXPOS TO RESPIRABLE
CRYSTALLINE QUARTZ MAY CAUSE DELAYED (CHRONIC) LUNG INJURY
(SILICOSIS). ACUTE/RAPIDLY DEVELOPING SILICOSIS MAY OCCUR IN A
SHORT PERIOD OF TIME IN HEAVY EXPOS IN CERTAIN O CCUP SUCH AS
SANDBLASTERS. SILICOSIS ISA FORM OF DISABLING PULM FIBROSIS WHICH
CAN BE PROGRESSIVE & (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ: IARC MONO,
SUPP. VOL 7, PG 341, 1987: GRP 2A. NTP 6TH ANNUAL REPORT ON
CARCINS, 1991(SUPDAT)
Effects of Overexposure:HLTH HAZ: MAY LEAD TO DEATH. UNDUE
BREATHLESSNESS, WHEEZING, COUGH AND SPUTUM PRODUCTION. THIS INERT
MATERIAL GIVES NO POTENTIAL ACUTE TOX HAZ.
Medical Cond Aggravated by Exposure:PULM FUNC MAY BE REDUCED BY INHAL
OF RESPIRABLE CRYSTALLINE SILICA. ALSO LUNG SCARRING PRDCD BY SUCH
INHAL MAY LEAD TO A PROGRESSIVE MASSIVE FIBROSIS OF LUNG WHICH MAY
AGGRAVATE OTHER PULM (SUPDAT)
======================= First Aid Measures =======================
Eyes: WASH IMMED WITH WATER FOR AT LEAST 15 MINUTES. IF IRRIT
PERSISTS, SEEK MED ATTN. INHAL: REMOVE IMMED TO FRESH AIR, GIVE
ARTF RESP AS NEEDED. SEEK MED ATTN AS NEEDED. SKIN: FLUSH WITH
COPIOUS AMO UNTS OF WATER. CALL MD . INGEST: CALL MD IMMED .
===================== Fire Fighting Measures =====================
Extinguishing Media:SAND MAY BE USED TO EXTINGUISH CLASS A & B FIRES.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.
Spill Release Procedures:IF UNCONTAMINATED-COLLECT, USING DUSTLESS
METHOD (WATER/VACUUM). IF CONTAMINATED-USE APPROPRIATE METHOD IN
LIGHT OF NATURE OF CONTAM. USE APPROPRIATE CONTAINER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:TAKE NORM PREC AGAINST BAG
BREAKAGE/SPILLS OF BULK MATL. AVOID CREATION OF RESPIRABLE DUST.
Other Precautions:USE DUSTLESS SYS FOR HNDLG, STOR, & CLEAN UP SO THAT
AIRBORNE DUST DOES NOT EXCEED PEL. USE ADEQ VENT & DUST COLLECTION.
PRACTICE GOOD HOUSEKEEPING. DO NOT PERMIT DUST TO COLLECT ON WALLS,
FLOORS, SIL LS, LEDGES, MACHINERY/EQUIP. (ING 2)
Respiratory Protection:USE CONVENTIONAL PARTICULATE RESP PROT BASED ON
CONSIDERATIONS OF AIRBORNE CONC & DURATION OF EXPO. SEE MOST RECENT
STD OF AMERICAN NATL STD INSTITUTE (ANSI Z.88.2), OCCUP SFTY & HLTH
ADMIN (OSHA) (29 CFRPART 1910.134) & MINE SFTY (ING 3)
Ventilation:LOCAL EXHAUST/MECHANICAL(GEN): TO MEET PEL REQUIREMENTS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS .
Other Protective Equipment:APPROPRIATE TO SPECIFIC APPLICATION.
Work Hygienic Practices:AVOID CREATING AND BREATHING DUST.
Supplemental Safety and Health
MATL TO AVOID: MAY CAUSE FIRES. EXPLAN OF CARCIN: ANTIC TO BE CARCIN.
MED CNDTNS: CNDTNS & DISEASES & WHICH INCR SUSCEPTIBILITY TO PULM
TUBERCULOSIS. PROGRESSIVE MASSIVE FIBROSIS MAY BE ACCOMPANIED BY
RIGHT HEART ENLARGEMENT, HEART FAILURE, & PULMONARY FAILURE.
SMOKING AGGRAVATES EFTS OF EXPOS.
Boiling Pt:B.P. Text:4046F,2230C
Melt/Freeze Pt:M.P/F.P Text:2830F,1554C
Spec Gravity:2.60(H*2O=1)
Solubility in Water:INSOLUBLE
Appearance and Odor:NO TASTE OR ODOR, GRANULAR, MILKY WHITE TO LIGHT
BROWN IN COLOR
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
CONT W/POWERFUL OXIDIZING AGENTS SUCH AS FLUORINE, CHLORINE
TRIFLUORIDE, MANGANESE TRIOXIDE, OXYGEN DIFLUORIDE (SUPDAT)
Stability Condition to Avoid:NONE.
Hazardous Decomposition Products:SILICA WILL DISSOLVE IN HYDROFLUORIC
ACID AND PRODUCE A CORROSIVE GAS-SILICON TETRAFLUORIDE.
Waste Disposal Methods:IF UNCONTAMINATED, DISPOSE AS AN INERT,
NON-METALLIC MINERAL. IF CONTAMD-USE APPROPRIATE METHOD IN LIGHT OF
CONTAMD I/A/W FEDERAL, STATE, AND LOCAL LAWS.
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.