Product ID:VX SUPER REFRACTORY
MSDS Date:01/20/1987
FSC:9350
NIIN:00N035613
MSDS Number: BQLBT

Emergency Phone: 415-592-9440

Info Phone: 415-592-9440

Cage: IO399

Telephone: 415-592-9440

Cage: IO399

SILICA, CRYSTALLINE - QUARTZ; (SILICON DIOXIDE QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

Fraction By Weight: 99%

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.1 MG/M3 RDUST;9293

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:ACUTE: INHAL: OVEREXP TO FUSED SILICA
DUST/CONDENSED SILICA VAPS MAY PRDCE LUNG INJURY (COMMONLY CALLED
SILICOSIS). SYMPTS MAY BE DELAYED BY MTHS/YEARS & INCL COUGH,
WHEEZ, & DFCLTY IN BRTHG. SMOKING CAN INCR RISK OF INJURY. THOSE
W/SILICOSIS MAY HAVE AN INCR SUSCEPTIBILITY TO PULM TUBERCULOSIS &
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:CRYSTALLINE SILICA QUARTZ - GROUP 2A
(IARC); ANTICIPATED TO BE CARCINOGEN (NTP).
Effects of Overexposure:HLTH HAZ: OTHER RESP INFECTIONS. SKIN: NO
ADVERSE EFTS ANTICIPATED. EYE: IRRIT MAY OCCUR DUE TO MECH
ABRASION. INGEST: NO ADVERSE EFTS ARE ANTICIPATED SINCE MATL IS
INSOLUBLE & NON-TOXIC. SILICA CAN C HANGE CRYSTAL STRUCTURE @
ELEVATED TEMPS. TRIDYMITE IS FORMED & TEMPS >870C & CRISTOBALITE IS
FORMED >1870C-(SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHAL: REMOVE TO FRESH AIR. GIVE OXYGEN WITH INTERMITTENT
POSITIVE-PRESSURE &/OR ARTF RESP AS NEEDED. SEEK MED ATTN FOR
TREATMENT, OBSERVATION, & SUPPORT AS NEEDED. SKIN: WASH AFFECTED
AREA WITH SOAP AND WATER. EYE: FLUSH THORO WITH RUNNING WATER FOR
AT LEAST 15 MINUTES. INGEST: CALL MD .

Extinguishing Media:MATL IS NONCOMBUSTIBLE. USE APPROPRIATE
EXTINGUISHING AGENT FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .

Spill Release Procedures:USE NORMAL CLEAN-UP PROCEDURES, USING WET
SWEEPING OR VACUUM, TAKING CARE TO AVOID EXCESSIVE DUSTING.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:MAINTAIN GOOD HOUSEKEEPING TECH, SUCH
AS, WET SWEEPING/VACUUMING TO REMOVE DUST ACCUMULATION. AVOID DUST
INHAL & CONT OF MATLS W/EYES.
Other Precautions:NIOSH WARNS THAT AN INCREASED RISK OF DISEASE MAY
OCCUR WHEN SMOKING IS COMBINED WITH SILICA DUST EXPOSURE. IN AREAS
OF EXCESSIVE EXPOS PROVIDE PREPLACEMENT & ANNUAL PHYSICAL EXAMS
W/EMPHASIS ON RESPI RATORY SYSTEM.

Respiratory Protection:USE AN APPROPRIATE NIOSH/MSHA APPROVED
RESPIRATOR IF AIRBORNE DUST CONC EXCEED APPROPRIATE PEL/TLV. ALL
APPROPRIATE REQUIREMENTS SET FORTH IN 29CFR1910.134 SHOULD BE MET.
Ventilation:PROVIDE SUFFICIENT GEN & LOC EXHAUST VENT TO MAINTAIN AIR
CONC OF QUARTZ BELOW PEL & TLV. IF SUCH VENT IS (SUPP DATA)
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:EYE WASH FOUNTAINS SHOULD BE READILY
AVAILABLE TO AREAS OF USE & HANDLING.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
MATLS TO AVOID: TRIFLUORIDE, & OTHER POWERFUL OXIDIZERS & F CONTAINING
COMPOUNDS. STRONG ALKALIS. IT REACTS W/HF TO FORM VOLATILE SIF4.
EFTS OF OVEREXP: BOTH MATLS HAVE GREATER HEALTH HAZARDS THAN QUA
RTZ. VENT: UNAVAILABLE USE NIOSH/MSHA APPROVED RESPIRATORS.

HCC:N1
Boiling Pt:B.P. Text:4046F,2230C
Vapor Pres:10@1732C
Spec Gravity:2.20(H*2O=1)
Solubility in Water:INSOLUBLE
Appearance and Odor:WHITE SOLID APPEARANCE, NO ODOR.
Percent Volatiles by Volume:0

Stability Indicator/Materials to Avoid:YES
STRONG ALKALIS ATTACK IT. IT IS INCOMPATIBLE W/OXYGEN DIFLUORIDE,
CHLORINE TRIFLUORIDE, MANGANESE (SUPP DATA)

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH ALL APPLICABLE
FEDERAL, STATE, AND 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.