Product ID:POLYSEAMSEAL ALL WEATHER SILICONE CAULK, CLEAR
MSDS Date:01/03/1994
FSC:8030
NIIN:00N057438
MSDS Number: BWQQS

DARWORTH CO

3 MILL POND LANE
SIMSBURG, CT 06070
US

Emergency Phone: 800-624-7767

Info Phone: 203-843-1200

Cage: IO148

DARWORTH INC

K AVON, CT 06001 US

Telephone: 203-677-7721

Cage: 51405

SILANE, METHYLTRIACETOXY-; (METHYL TRIACETOXYSILANE)

CAS: 4253-34-3

RTECS: VV4500000

Fraction By Weight: 2%

OSHA PEL N/K

ACGIH TLV: N/K

ETHYLTRIACETOXYSILANE

CAS: 17689-77-9

Fraction By Weight: 2%

OSHA PEL N/K

ACGIH TLV: N/K

SILICA, AMORPHOUS DUST

CAS: 7631-86-9

Fraction By Weight: 8%

OSHA PEL 6 MG/M3

ACGIH TLV: 6 MG/M3

BE REMOVED FROM SKIN AS SOON AS PRACTICAL, ESPEC

RTECS: 9999999ZZ

EYE AND SKIN CONTACT. USE ONLY WITH ADEQUATE

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: DIRECT CONT IRRIT SLIGHTLY-MOD
W/REDNESS & SWELLING. SKIN: SINGLE SHORT TERM EXPOS (<24 HOURS) MAY
IRRIT. RPTD PRLNGD CONT (24-48 HRS) MAY IRRIT MOD. INHAL: VAP
OVEREXP MAY IRRIT EYES, NOSE & T HROAT. INGEST: SML AMTS
TRANSFERRED TO MOUTH BY FINGERS DURING USE, ETC., SHOULD NOT
INJ.SWALLOWING LRG(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZS: AMTS MAY CAUSE DIGESTIVE DISCOMFORT.
CHRONIC: NO INJ FROM SILICA DUST SHOULD OCCUR DURING REASONABLE
USE. IF USE CREATES RESP PARTICLES, SOME RESP SYS INJ MAY OCCUR.
LISTED POTNTL EFTS OF O VEREXP ARE BASED ON ACTUAL DATA, RSLT OF
STUDIES PERFORMED UPON SIMILAR COMPOSITIONS, COMPONENT DATA &/OR
EXPERT(SUPDAT)
Medical Cond Aggravated by Exposure:OVEREXPOSURE TO ANY CHEMICAL MAY
RESULT IN ENHANCEMENT OF PRE-EXISTING ADVERSE MEDICAL CONDITIONS
AND ALLERGIC REACTIONS.

First Aid:EYE: IMMEDIATELY FLUSH WITH WATER FOR AT LEAST 15 MINUTES.
GET IMMEDIATE MEDICAL ATTENTION. SKIN: WIPE OFF AND FLUSH WITH
WATER. GET MEDICAL ATTENTION IF IRRITATION DEVELOPS. INHALATION:
REMOVE TO FRE SH AIR. GET MEDICAL ATTENTION IF ILL EFFECTS PERSIST.
INGESTION: CALL MD IMMEDIATELY .

Flash Point Method:OC
Flash Point:>250F,>121C
Extinguishing Media:WATER, FOAM, FOG, CARBON DIOXIDE, DRY CHEMICAL.
Fire Fighting Procedures:WEAR NIOHS/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:REMOVE PRODUCT AND CONTAIN FOR SALVAGE OR
DISPOSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE BELOW 90F/32C. KEEP CONTAINERS
CLOSED WHEN NOT IN USE.
Other Precautions:PROD FORMS ACETIC ACID (HOAC) WHEN EXPOS TO
WATER/HUMID AIR. PROVIDE VENT USE TO CNTRL HOAC EXPOS W/IN 10 PPM
(CURRENT TLV) OR USE RESP PROT. TRACES OF FORMALDEHYDE (CARCIN) MAY
FORM IF HEATING IN AIR ABOVE 300F/149C.PROVIDE VENT TO(SUPDAT)

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATORY PROTECTION
UNLESS LOCAL EXHAUST VENTILATION IS ADEQUATE OR AIR SAMPLING DATA
SHOW EXPOSURES ARE WITHIN TLV AND PEL GUIDELINES. NIOSH/MSHA
APPROVED ORGANIC VAPOR TYP E RESPIRATOR.
Ventilation:LOCAL AND MECHANICAL (GENERAL) EXHAUST RECOMMENDED.
Protective Gloves:RUBBER OR PLASTIC GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGG .
Other Protective Equipment:EMERGENCY EYEWASH AND DELUGE SHOWER WHICH
MEET ANSI DESIGN CRITERIA .
Work Hygienic Practices:WASHING AT MEALTIME & END OF SHIFT IS ADEQ.
REMOVE CONTAMD CLTHG & SHOES AS SOON AS PRACTICAL & CLEAN THORO
(SUPDAT)
Supplemental Safety and Health
EFTS OF OVEREXP: REVIEW OF PROD. HYGIENE PRACT: BEFORE REUSE. OTHER
PREC: CNTRL VAP EXPOS W/IN INHAL GUIDELINES WHEN HNDLG AT ELEV
TEMPS. REVIEW OSHA FORMALDEHYDE REGS FOR DETAILED INFO ON SAFE
HNDLG REQS. USE AT ELE TEMPS, OR AEROSOL/SPRAY APPLICS, MAY REQ
ADDED PRECS. GOOD PRACT REQS THAT GROSS AMT OF ANY CHEM(ING 4)

Vapor Pres:<5
Spec Gravity:1.02 @ 77F/25C
Solubility in Water:<0.1
Appearance and Odor:ACETIC ACID-LIKE PASTE, WHITE.
Percent Volatiles by Volume:<5(WT)

Stability Indicator/Materials to Avoid:YES
OXIDIZING MATERIAL CAN CAUSE REACTION. AIR OR MOISTURE CAUSES CURING
AND ACETIC ACID VAPORS TO FORM.
Stability Condition to Avoid:EXPOSURE TO AIR OR MOISTURE UNTIL READY TO
USE.
Hazardous Decomposition Products:SILICON DIOXIDE, CARBON DIOXIDE, AND
TRACES OF INCOMPLETELY BURNED CARBON PRODUCTS.

Waste Disposal Methods:DARWORTH COMPANY SUGGESTS THAT ALL LOCAL, STATE
AND FEDERAL REGULATIONS CONCERNING HEALTH AND POLLUTION BE REVIEWED
TO DETERMINE APPROVED DISPOSAL PROCEDURES. CONTACT DARWORTH COMPANY
IF THERE ARE AND DISPOSAL QUESTIONS.

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.