**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 4526-07-2 |1,4-Bis(trimethylsilyl)-1,3-butadiyne | 98 | unlisted |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: F
Risk Phrases: 11
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Highly flammable.Moisture sensitive.The toxicological properties of
this material have not been fully investigated.
Potential Health Effects
Eye:
No information regarding eye irritation and other potential effects
was found.
Skin:
No information regarding skin irritation and other potential effects
was found.
Ingestion:
The toxicological properties of this substance have not been fully
investigated.
Inhalation:
The toxicological properties of this substance have not been fully
investigated. Inhalation of dust may cause respiratory tract
irritation.
Chronic:
No information found.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
Flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid
immediately.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical
aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If not
breathing, give artificial respiration. If breathing is difficult,
give oxygen. Get medical aid.
Notes to Physician:
**** SECTION 5 - FIRE FIGHTING MEASURES ****
General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear.
Extinguishing Media:
Use agent most appropriate to extinguish fire.
**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****
General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Sweep up or absorb material, then place into a suitable clean, dry,
closed container for disposal. Avoid generating dusty conditions.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Minimize dust generation and accumulation. Avoid contact with eyes,
skin, and clothing. Keep container tightly closed. Avoid ingestion
and inhalation.
Storage:
Keep refrigerated. (Store below 4C/39F.) Store in a tightly closed
container.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 4526-07-2:
Personal Protective Equipment
Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.
**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Crystals
Color: white to off-white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 109-113 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C10H18Si2
Molecular Weight: 194.42
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stability unknown.
Conditions to Avoid:
Moisture.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, silicon dioxide.
Hazardous Polymerization: Has not been reported
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 4526-07-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
1,4-Bis(trimethylsilyl)-1,3-butadiyne -
Not listed by ACGIH, IARC, or NTP.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Dispose of in a manner consistent with federal, state, and local regulations.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: FLAMMABLE SOLID, ORGANIC, N.O.S.*
Hazard Class: 4.1
UN Number: 1325
Packing Group: II
IMO
Shipping Name: FLAMMABLE SOLID, ORGANIC, N.O.S.
Hazard Class: 4.1
UN Number: 1325
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE SOLID, ORGANIC, N.O.S.
Hazard Class: 4.1
UN Number: 1325
Packing group: II
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F
Risk Phrases:
R 11 Highly flammable.
Safety Phrases:
S 7/9 Keep container tightly closed and in a
well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
WGK (Water Danger/Protection)
CAS# 4526-07-2: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 4526-07-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 4526-07-2 is not listed on the TSCA inventory.
It is for research and development use only.
The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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