Product ID:SENECA CHIEF 60
MSDS Date:04/09/1992
FSC:9350
NIIN:00N085092
MSDS Number: CGZYM

NORTH AMERICAN REFRACTORIES

1228 EUCLID AVE
CLEVELAND, OH 44115-1809
US

Emergency Phone: 814-234-7981

Info Phone: 216-621-5200

Cage: 86653

NORTH AMERICAN REFRACTORIES COMPANY

CLEVELAND, OH 44115-1809 US

Telephone: 814-234-7981/814-234-3890

Cage: 86653

SILICA, CRYSTALLINE - QUARTZ INCLUDING INGS 2 & 3

CAS: 14808-60-7

RTECS: VV7330000

Fraction By Weight: 10-30%

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.1 MG/M3 RDUST

SILICA, CRYSTALLINE - CRISTOBALITE

CAS: 14464-46-1

RTECS: VV7325000

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.05 MG/M3 RDUST

SILICA, CRYSTALLINE - TRIDYMITE

CAS: 15468-32-3

RTECS: VV7335000

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.05 MG/M3 RDUST

ALUMINA SILICATE; (HYDROUS ALUMINA SILICATE)

CAS: 1302-87-0

Fraction By Weight: 10-30%

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.05 MG/M3 RDUST

3) (SARA 313)

CAS: 1344-28-1

RTECS: BD1200000

Fraction By Weight: 30-60%

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 10 MG/M3 TDUST

SILICIC ACID (N2SIO3), DISODIUM SALT; (SODIUM METASILICATE)

CAS: 6834-92-0

RTECS: VV9275000

Fraction By Weight: 10-30%

OSHA PEL N/K

ACGIH TLV: N/K

ALUMINUM SILICATE

CAS: 1302-93-8

Fraction By Weight: 10-20%

OSHA PEL N/K

ACGIH TLV: N/K

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:CRYSTALLINE SILICA: CHRONIC OVEREXP TO
DUST CONTAINING RESPIRABLE SIZED CRYSTALLINE SILICA (QUARTZ,
CRISTOBALITE, AND TRIDYMITE) CAN CAUSE DELAYED LUNG INJURY
(SILICOSIS). POINTS OF ATTACK: RESPIRATOR Y SYSTEM & LUNGS.
INHALATION OF DUST CONTAINING CRYSTALLINE SILICA MAY CONTRIBUTE TO
PRE-EXISTING (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ-, SILICA,
CRYSTALLINE-CRISTOBALITE-, AND SILICA, CRYSTALLINE-TRIDYMITE: IARC
MONO, (SUPDAT)
Effects of Overexposure:HLTH HAZ: PULM DISEASES SUCH AS ASTHMA & LUNG
DISORDERS ASSOC W/SMKNG OF TOBACCO. SOME RECENT ANIMAL STUDIES HAVE
CAUSED IARC TO CATEGORIZE CRYSTALLINE SILICA AS 2A CARCIN. A 2A
CARCIN IS ONE WHICH: ( 1) THERE IS SUFFICIENT EVID FOR CARCIN TO
EXPERIMENTAL ANIMALS. (2) THERE IS LIMITED EVID OF CARCIN TO
HUMANS. (SUPDAT)
Medical Cond Aggravated by Exposure:PRE-EXISTING PULMONARY DISEASES
SUCH AS ASTHMA AND LUNG DISORDERS ASSOCIATED WITH SMOKING OF
TOBACCO.

First Aid:INGEST: CALL MD IMMEDIATELY . SKIN: WASH THOROUGHLY WITH SOAP
AND WATER. INHALATION: REMOVE TO FRESH AIR. EYES: FLUSH WITH WATER
FOR AT LEAST 15 MINUTES AND GET MEDICAL HELP.

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:THIS PRODUCT IS NON-FLAMMABLE AND WILL
NOT SUPPORT COMBUSTION.

Spill Release Procedures:AVOID GENERATING DUST EXPOSURE DURING CLEANUP.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID DUST GENERATION.
Other Precautions:PRODUCT CONTAINS CRYSTALLINE SILICA AND SODIUM
SILICATE. WARNING: PROLONGED INHALATION OF PRODUCT DUST MAY CAUSE
DELAYED LUNG INJURY (SILICOSIS). CONTACT MAY CAUSE IRRITATION TO
EYES AND SKIN.

Respiratory Protection:NIOSH APPROVED DUST TYPE FOR EXPOSURES ABOVE
TLV.
Ventilation:SUFFICIENT VENTILATION SHOULD BE USED TO INSURE EXPOSURES
BELOW THE TLV/PEL.
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER .
Work Hygienic Practices:HYGIENE MONITORING SHOULD BE DONE TO INSURE THE
PROPER EMPLOYEE PROTECTION DURING TEAROUT.
Supplemental Safety and Health
EXPLAN OF CARCIN: VOL 68, 1997: GROUP 1. NTP 7TH ANNUAL RPT ON
CARCINOGENS, 1994: ANTIC TO BE CARCINOGEN. EFTS OF OVEREXP:
CRYSTALLINE SILICA HAS BEEN LISTED IN MOST RECENT NTP RPT ON
CARCINS. SODIUM SILICATE: SODIUM SILICATE USED IN THIS PROD MAY
CAUSE SKIN & EYE IRRITATION.

pH:9-10.9
Evaporation Rate & Reference:NOT KNOWN
Solubility in Water:NOT KNOWN
Appearance and Odor:GRAY, FINE-GRAINED, WT MIXTURE, ODORLESS.

Stability Indicator/Materials to Avoid:YES
NONE SPECIFIED BY MANUFACTURER.
Stability Condition to Avoid:THIS PRODUCT IS STABLE AND NON-REACTIVE.
Hazardous Decomposition Products:CRYSTALLINE SILICA LEVELS IN USED
REFRACTORIES MAY BE HIGHER/LOWER THAN AS-SHIPPED DEPENDING ON
SERVICE CONDITIONS.

Waste Disposal Methods:DISPOSE OF MATERIAL ACCORDING TO LOCAL, STATE OR
FEDERAL REGULATIONS AND AS FINAL USED CONDITION OF THE PRODUCT
DICTATES.

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.