Product ID:DEX-O-TEX PUMICE MIX
MSDS Date:10/01/1985
FSC:5350
NIIN:00N033019
MSDS Number: BPNNH

Emergency Phone: 213-636-0561

Info Phone: 213-636-0561

Cage: 60782

Telephone: 310-886-9100

Cage: 60782

SILICA, CRYSTALLINE - QUARTZ; (CRYSTALLINE QUARTZ (SIO*2))

CAS: 14808-60-7

RTECS: VV7330000

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:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE:EYE IRRITATION. POSSIBLE SKIN
IRRITATION. CHRONIC:FREE SILICA DUST MAY CAUSE DELAYED LUNG INJURY.
Explanation of Carcinogenicity:CRYSTALLINE SILICA QUARTZ:GROUP 2A
(IARC); ANTICIPATED TO BECARCINOGEN.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NOT KNOWN.

First Aid:INHAL:MOVE SUBJECT TO FRESH AIR IF NEEDED. EYES:FLUSH WITH
WATER FOR AT LEAST 15 MINUTES. SKIN:WASH WITH SOAP & WATER.
INGEST:CALL MD.

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .

Spill Release Procedures:SWEEP OR VACUUM USING GOOD VENTILATION SO TLV
IS NOT EXCEEDED.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:USE DUSTLESS SYSTEMS FOR HANDLING,
STORAGE & CLEAN UP SO TLV OF SIO2 IS NOT EXCEEDED. STORE IN DRY
AREA.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:GOOD VENTILATION. LOCAL EXHAUST &/OR MECHANICAL (GENERAL)
VENTILATION. FOLLOW OSHA STANDARD.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:AS NEEDED.
Work Hygienic Practices:PRACTICE GOOD HOUSEKEEPING & POST WORK AREAS
WHERE PRODUCT IS USED.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

HCC:N1
Spec Gravity:2.65 (H2O=1)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:GRANULAR POWDER; ESSENTIALLY ODORLESS.

Stability Indicator/Materials to Avoid:YES
MATERIAL WILL HARDEN IF IN CONTACT W/WATER.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:DISSOLVED BY HYDROFLUORIC ACID WHICH
CAN RESULT IN SILICON TETRAFLUORIDE (SIF4) WHICH IS CORROSIVE GAS.

Waste Disposal Methods:DISPOSE IN SANITARY LANDFILL I/A/W STATE, LOCAL
& FEDERAL REGULATIONS ON SOLID WASTE.

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.