Product ID:TROWLEZE
MSDS Date:10/02/1991
FSC:9350
NIIN:00-274-3841
MSDS Number: BRPCV

NATIONAL REFRACTORIES & MINERAL CORP

1852 RUTAN DR.
LIVERMORE, CA 94550
US

Emergency Phone: 510-449-5010

Info Phone: 510-449-5010

Preparer: MSDS # 0084-2

Cage: NATRF

NATIONAL REFRACTORIES AND MINERALS CORP

47 OAKLAND, OH 44408-9448 US

Telephone: (415) 462-1122

Cage: NATRF

SILICA, CRYSTALLINE - QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

Fraction By Weight: <10%

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.1 MG/M3 RDUST;9293

GROG (ALUMINOSILICATE)

CAS: 66402-68-4

Fraction By Weight: >55%

SODIUM METASILICATE (SODIUM SILICATE)

CAS: 6834-92-0

RTECS: VV9275000

Fraction By Weight: <35%

LD50 LC50 Mixture:LD50 ORAL RAT=1153MG/KG(SODIUM SILICATE)
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:INHAL:LONG TERM EXPOSURE TO THE
DUST(RESPIRABLE SILICA)MAY CAUSE LUNG DISEASE.SKIN:REPAETED CONTACT
MAY CAUSE IRRITATION.EYES:MAY IRRITATE OR CAUSE INJURY.INGEST:NOT
REPORTED.
Explanation of Carcinogenicity:CRYSTALLINE SILICA HAS BEEN CLASSIFIED
AS A 2A CARCINOGEN BY IARC.
Effects of Overexposure:EYES:MAY IRRITATE/INJURE;SKIN:MAY IRRITATE ON
PROLONGED/REPEATED CONTACT;INGEST/INHAL:NOT KNOWN
Medical Cond Aggravated by Exposure:PERSON WITH PREEXISTING RESPIRATORY
AILMENTS MAY BE AT HIGHER RISK FROM EXPOSURE.

First Aid:SKIN:WASH WITH PLENTY OF SOAP AND WATER.EYES:IRRRIGATE WITH
WATER FOR 15 MINUTES.CONSULT PHYSICIAN IF NEEDED.INHAL:REMOVE TO
FRESH AIR.INGEST:NO HAZARD EXPECTED.

Flash Point:NONE
Extinguishing Media:USE APPROPRAITE AGENT FOR SURROUNDING FIRE.
Fire Fighting Procedures:HMIS SUGGESTS TO USE A SELF-CONTAINED
BREATHING APPARATUS WHENEVER FIGHTING A CHEMICAL FIRE.
Unusual Fire/Explosion Hazard:NONE NOTED BY MANUFACTURER.

Spill Release Procedures:USE A DUST FREE METHOD TO CLEAN UP SPILL.PLACE
IN AN APPROPRIATE CONTAINER FOR DISPOSAL.
Neutralizing Agent:NONE

Handling and Storage Precautions:STORE IN COOL,DRY,WELL VENTILATED
AREA. PROTECT FROM PHYSICAL DAMAGE.AVOID ANY PHYSICAL CONTACT. KEEP
CONTAINERS TIGHTLY CLOSED.
Other Precautions:DO NOT BREATHE DUST.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR FOR
PARTICULATES.
Ventilation:LOCAL EXHAUST TO MAINTAIN TLV/PEL.
Protective Gloves:IMPERVIOUS
Eye Protection:SAFETY GLASSES
Other Protective Equipment:NORMAL WORK CLOTHING COVERING ARMS & LEGS.
Work Hygienic Practices:WASH HANDS.SEPERATE WORK CLOTHES FROM STREET
CLOTHES.LAUNDER WORK CLOTHES BEFORE REUSE.KEEP FOOD OUT OF THE WORK
AREA.
Supplemental Safety and Health
FORMULA CHANGE ON SAME NSN;CAGE 4H756;PNIND A.

HCC:N1
NRC/State Lic Num:NONE
Spec Gravity:1.5-2.5
Solubility in Water:APPRECIABLE (<35%)
Appearance and Odor:GRANUALR,WET;REDDISH-GRAY;NO ODOR

Stability Indicator/Materials to Avoid:YES
NONE
Stability Condition to Avoid:NONE
Hazardous Decomposition Products:OXIDES OF SILICON.

Waste Disposal Methods:KEEP IN COVERED DRUMS,PENDING DISPOSAL. HANDLE &
DISPOSE IN FULL COMPLIANCE WITH ALL APPLICABLE
INTERNATIONAL,FEDERAL,STATE, & 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.