Product ID:SHEETROCK 20
MSDS Date:04/20/1993
FSC:5640
NIIN:00F045857
MSDS Number: BYPKK

UNITED STATES GYPSUM COMPANY

125 S FRANKLIN ST DEPT 147-4
CHICAGO, IL 60606-4678
US

Emergency Phone: 312-606-4542

Info Phone: 312-606-4542

Cage: 61357

UNITED STATES GYPSUM CO

CHICAGO, IL 60606-4302 US

Telephone: 312-606-4000 (EMERG /4542)

Cage: 61357

PLASTER OF PARIS; GYPSUM HEMIHYDRATE

CAS: 26499-65-0

RTECS: TP0700000

Fraction By Weight: 55-90%

OSHA PEL 15 PPM

ACGIH TLV: 10 PPM

CALCIUM CARBONATE, DOMOLITE, LIMESTONE, WHITING

CAS: 1317-65-3

RTECS: EV9580000

Fraction By Weight: 0-25%

OSHA PEL 15 PPM

ACGIH TLV: 10 MG/CUM (DUST)

SILICA, MICA, MUSCOVITE

CAS: 12001-26-2

RTECS: VV8760000

Fraction By Weight: 0-18%

OSHA PEL 20 PPM

ACGIH TLV: 3 MG/CUM

PERLITE

CAS: 93763-70-3

RTECS: SD5254000

Fraction By Weight: 0-12%

OSHA PEL 15 PPM

ACGIH TLV: 10 MG/CUM TOTAL DUST

ATTAPULGITE CLAY, HYDROUS MAGNESIUM ALUMINUM SILICATE

CAS: 12174-11-7

RTECS: RT6400000

Fraction By Weight: 0-9%

OSHA PEL 15 PPM

ACGIH TLV: 10 PPM

POLYVINYL ALCOHOL

CAS: 9002-89-5

RTECS: TR8100000

Fraction By Weight: 0-3%

POLYVINYL ACETATE, VINYL ACETATE POLYMER

CAS: 9003-20-7

RTECS: AK0920000

Fraction By Weight: 0-2%

DOUBLE HYDRATED DOLOMITIC LIME

CAS: 39445-23-3

Fraction By Weight: 0-1%

POTASSIUM SULFATE

CAS: 7778-80-5

RTECS: TT5900000

Fraction By Weight: 0-1.5%

KERATINS, HYDROLYZATES

CAS: 69430-36-0

Fraction By Weight: 0-0.5%

BIS(DIMETHYLDITHIOCARBAMATO)ZINC, ZIRAM

CAS: 137-30-4

RTECS: ZH0525000

Fraction By Weight: 0-0.09%

STARCH; VANCIDE MZ-96

CAS: 9005-25-8

RTECS: GM5090000

Fraction By Weight: 0.0.2%

ACGIH TLV: 10 MG/CUM TOTAL DUST

HYDROXYPROPYL METHYCELLULOSE

CAS: 9004-65-3

RTECS: NF9125000

Fraction By Weight: 0-0.5%

SORBITOL

CAS: 50-70-4

RTECS: LZ4290000

Fraction By Weight: 0-0.5%

OSHA PEL 15 PPM

ACGIH TLV: 10 PPM

HYDROXYETHYL CELLULOSE, 2-HYDROXYETHYL ETHER CELLULOSE,

CAS: 9004-62-0

RTECS: FJ5958000

SODIUM CITRATE, TRISODIUM SALT, CITRIC ACID

CAS: 68-04-2

RTECS: GE8300000

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYES: IRRITATION. SKIN: BURNS.
INHALATION: IRRITATION TO THE NOSE, THROAT/UPPER RESPIRATORY
SYSTEM. MAY CAUSE LUNG DAMAGE. INGESTION: MAY RESULT IN
OBSTRUCTION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, BURNS, DRYNESS.
Medical Cond Aggravated by Exposure:PRE-EXISTING UPPER RESPIRATORY &
LUNG DISEASE, BRONCHITIS, EMPHYSEMA & ASTHMA.

First Aid:EYES: FLUSH W/WATER FOR 15 MINS. SKIN: WASH W/SOAP & WATER.
INHALATION: REMOVE TO FRESH AIR. OBTAIN MEDICAL ATTENTION IN ALL
CASES.

Flash Point:NONE
Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:NON-COMBUSTIBLE.

Spill Release Procedures:SWEEP UP; AVOID CREATING EXCESSIVE DUST. IF
WASHED DOWN, MAY PLUG DRAINS. IF ALREADY MIXED W/WATER, SCRAPE UP &
WASH DOWN RESIDUE.

Handling and Storage Precautions:KEEP DRY. DEW POINT CONDITIONS/OTHER
CONDITIONS CAUSING PRESENCE OF LIQUID WILL HARDEN THIS MATERIAL
DURING STORAGE.

Respiratory Protection:WEAR A NIOSH-APPROVED DUST RESPIRATOR.
Ventilation:MECHANICAL (GENERAL)/LOCAL EXHAUST
Eye Protection:SAFETY GLASSES/GOGGLES
Supplemental Safety and Health

Spec Gravity:2.5-2.6
Solubility in Water:0.15%
Appearance and Odor:OFF WHITE TO GRAY POWDER; LOW ODOR

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:FREEZING

Waste Disposal Methods:DEPOSIT IN SANITARY LANDFILL IAW/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.