Product ID:DEX-O-TEX 222 UNDERLAYMENT POWDER
MSDS Date:01/01/1987
FSC:5610
NIIN:00N006637
MSDS Number: BCNGM

Emergency Phone: 201-245-2800

Cage: 88167

Telephone: 908-245-2800

Cage: 88167

SILICA, CRYSTALLINE - QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.1 MG/M3 RDUST;9293

PUMICE (CAS #1332-09-8)

Effects of Overexposure:EYE IRRITATION. POSSIBLE SKIN IRRITATION. FREE
SILICA DUST MAY CAUSE DELAYED LUNG INJURY.

First Aid:INHALATION: MOVE SUBJECT TO FRESH AIR IF NEEDED. EYES: FLUSH
W/H*2O FOR 15 MINUTES. SKIN: WASH W/SOAP & H*2O. INGESTION: CALL
PHYSICIAN.

Extinguishing Media:NO FIRE HAZARD

Spill Release Procedures:SWEEP OR VACUUM USING GOOD VENTILATION SO TLV
IS NOT EXCEEDED.

Handling and Storage Precautions:USE DUSTLESS SYSTEMS FOR
HANDLING,STORAGE & CLEAN UP SO TLV OF SIO*2 IS NOT EXCEEDED. STORE
IN DRY AREA.
Other Precautions:PRACTICE GOOD HOUSEKEEPING & POST WORK AREAS WHERE
PRODUCT IS USED. DATE OF PREP: 10-10-85. VAPOR PRESSURE, VAPOR
DENSITY, PERCENT VOLATILE: NOT APPLICABLE.

Respiratory Protection:NIOSH/MSHA APPROVED
Ventilation:GOOD VENTILATION. LOCAL EXHAUST,GENERAL MECH. (SEE SUPP
DATA
Protective Gloves:OPTIONAL
Eye Protection:GOGGLES
Other Protective Equipment:AS NEEDED
Supplemental Safety and Health
TLV (MIXTURE): 0.1 MG/CUM RESPIRABLE DUST OF SIO*2 (MFR).
INCOMPATABILITY: RESULT IN SILICON TETRAFLUORIDE (SIF*4) WHICH IS
CORROSIVE GAS. VENTILATION: FOLLOW OSHA STANDARD.

HCC:N1
Spec Gravity:2.65
Solubility in Water:NEGLIGIBLE
Appearance and Odor:GRANULAR POWDER,NO ODOR

Stability Indicator/Materials to Avoid:YES
DISSOLVED BY HYDROFLUORIC ACID WHICH CAN (SEE SUPP DATA)
Stability Condition to Avoid:MATERIAL WILL HARDEN IF IN CONTACT W/H*2O.

Waste Disposal Methods:DISPOSE IN SANITARY LANDFILL IN ACCORDANCE
W/STATE,LOCAL & FEDERAL REGULATIONS ON SOLID WASTES.

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.