Product ID:1,4-BIS(TRIMETHYSILYL)-1,3- (SEE SUPP DATA)
MSDS Date:03/28/1990
FSC:6810
NIIN:00N014355
MSDS Number: BKNDP

Info Phone: 414-273-3850

Cage: 60928

Telephone: 414-273-3850

Cage: 60928

1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE, 98%

CAS: 4526-07-2

Fraction By Weight: 98%

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: MAY BE HARMFUL BY INHALATION OR
INGESTION. CAUSES EYE & SKIN IRRITATION. MATERIAL IS IRRITATING TO
MUCOUS MEMBRANES AND UPPER RESPIRATORY TRACT.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER FOR AT
LEAST 15 MINUTES. SKIN: IMMEDIATELY WASH WITH SOAP AND COPIOUS
AMOUNTS OF WATER. WASH CONTAMINATED CLOTHING BEFORE REUSE. INHAL:
REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL RESPIRATION.
IF BREATHING IS DIFFICULT, GIVE OXYGEN. CALL MD. INGEST: CALL MD
IMMEDIATELY .

Extinguishing Media:WATER SPRAY. CO*2, DRY CHEMICAL POWDER, ALCOHOL OR
POLYMER FOAM.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND PROTECTIVE
CLOTHING TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures:WEAR NIOSH/MSHA APPROVED SCBA, RUBBER BOOTS &
HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE
DISPOSAL. AVOID RAISING DUST. VENTILATE AREA AND WASH SPILL SITE
AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID CONTACT AND INHALATION. KEEP
TIGHTLY CLOSED. REFRIGERATE.
Other Precautions:DO NOT GET IN EYES, ON SKIN OR CLOTHING. IRRITANT.
MOISTURE SENSITIVE.

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:RUBBER GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:SAFETY SHOWER AND EYE BATH.
Work Hygienic Practices:WASH THOROUGHLY AFTER USE AND BEFORE EATING,
DRINKING, SMOKING OR USING SANITARY FACILITIES .
Supplemental Safety and Health
PART NO: BUTADIYNE, 98% 26356-7.

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:235F,113C
Appearance and Odor:WHITE TO OFF-WHITE CRYSTALS.

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS.
Stability Condition to Avoid:MAY DECOMPOSE ON EXPOSURE TO MOIST AIR OR
WATER.
Hazardous Decomposition Products:TOXIC FUMES OF: CO, CO*2 & SILICON
OXIDE.

Waste Disposal Methods:DISSOLVE OR MIX THE MATERIAL WITH A COMBUSTIBLE
SOLVENT AND BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN
AFTERBURNER AND SCRUBBER. DISPOSE OF IN ACCORDANCE WITH FEDERAL,
STATE AND LOCAL LAWS.

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.