Product ID:MHB-WH (85576 WHITE, 85577 BLACK, 85578 CLEAR)
MSDS Date:01/01/1987
FSC:8030
NIIN:00F031564
MSDS Number: BSNRC

Emergency Phone: 216-951-2400 EXT 5678

Info Phone: 216-951-2400 EXT 282

Cage: 91636

Telephone: 216951-2400 EXT. 282

Cage: 91636

METHYLTRIACETOXYSILANE, ALKYL TRIACETOXY SILANE

CAS: 4253-34-3

RTECS: VV4500000

Fraction By Weight: <0.5%

OSHA PEL 10 PPM

ACGIH TLV: 10 PPM

LD50 LC50 Mixture:ORAL LD50 (RAT): 2060 MG/KG
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INGESTION: GASTRIC DISTRESS. UNCURED
PRODUCT WILL IRRITATE LIPS, GUMS, TONGUE, SKIN & EYES. IHALATION:
MILD RESPIRATORY IRRITATION. RESIDUAL SILICONE TRANSFERRED TO
CONTACT LENSES CAN CAUSE SEVERE EYE IRRITATION.
Explanation of Carcinogenicity:NONE
Medical Cond Aggravated by Exposure:RESPIRATORY

First Aid:SKIN: REMOVE COMPLETELY W/A DRY CLOTH OR PAPER TOWEL, BEFORE
WASHING W/DETERGENT & WATER. EYES: FLUSH W/PLENTY OF WATER FOR AT
LEAST 15 MINS. OBTAIN MEDICAL ATTENTION IN ALL CASES.

Flash Point Method:TOC
Flash Point:>400F, >204C
Extinguishing Media:ALL STANDARD FIREFIGHTING MEDIA

Spill Release Procedures:WIPE OR SOAK UP IN AN INERT MATERIAL & PUT IN
A CONTAINER FOR DISPOSAL. WASH WALKING SURFACES W/DETERGENT & WATER
TO REDUCE SLIPPING HAZARD. WEAR PROPER PROTECTIVE EQUIPMENT.

Handling and Storage Precautions:USE IN A WELL VENTILATED AREA. PRODUCT
RELEASES ACETIC ACID DURING APPLICATION & CURING.
Other Precautions:AVOID CONTACT W/SKIN & EYES. WEARERS OF CONTACT
LENSES MUST NOT HANDLE LENSES UNTIL ALL SEALANT HAS BEEN CLEANED
FROM FINGERTIPS; RESIDUAL SILICONE WILL TRANSFER TO LENSES & CAUSE
SEVERE EYE IRRITATIO N.

Ventilation:MECHANICAL TO KEEP BELOW TLV OF 10 PPM ACETIC ACID
Protective Gloves:CLOTH
Eye Protection:SAFETY GLASSES
Other Protective Equipment:EYEWASH STATIONS
Supplemental Safety and Health

Spec Gravity:1.04
Evaporation Rate & Reference:(BU AC = 1): <1
Solubility in Water:INSOLUBLE
Appearance and Odor:SOLID, VARIOUS COLORS, VINEGAR ODOR.
Percent Volatiles by Volume:<5

Stability Indicator/Materials to Avoid:YES
Hazardous Decomposition Products:CO, CO2, SILICON DIOXIDE, ACETIC ACID

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE W/LOCAL, STATE, &
FEDERAL REGULATIONS.

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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.