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Name:
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1 1-Bis(trichlorosilylmethyl)ethylene Material Safety Data Sheet
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Synonym:
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(2-Methylene-1,3-propanediyl)bis(trichlorosilan
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CAS:
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78948-04-6
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Section 1 - Chemical Product
MSDS Name:1 1-Bis(trichlorosilylmethyl)ethylene Material Safety Data Sheet
Synonym:(2-Methylene-1,3-propanediyl)bis(trichlorosilan
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
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CAS#
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Chemical Name
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content
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EINECS#
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78948-04-6
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1,1-Bis(trichlorosilylmethyl)ethylene
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unlisted
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Hazard Symbols: C
Risk Phrases: 14 34
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Reacts violently with water. Causes burns.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns. The toxicological properties of this substance have not been fully investigated.
Inhalation:
Causes chemical burns to the respiratory tract. The toxicological properties of this substance have not been fully investigated.
Chronic:
Not available.
Section 4 - FIRST AID MEASURES
Eyes: Immediately 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 immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. 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. Water Reactive. Material will react with water and may release a flammable and/or toxic gas. Combustible liquid.
Extinguishing Media:
Use foam, dry chemical, or carbon dioxide. DO NOT USE WATER!
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container.
Section 7 - HANDLING and STORAGE
Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing.
Storage:
Keep away from sources of ignition. Store in a cool, dry place.
Store in a tightly closed container. Corrosives area. Store under an inert atmosphere.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 78948-04-6: Personal Protective Equipment Eyes: Not available.
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: Liquid
Color: light yellow
Odor: acrid odor
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 240 - 242 deg C @ 7
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 81 deg C ( 177.80 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: reacts with water
Specific Gravity/Density: 1.4100g/cm3
Molecular Formula: Cl3SiCH2C(CH2)CH2SiCl3
Molecular Weight: 322.98
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, exposure to moist air or water.
Incompatibilities with Other Materials:
Oxidizing agents, acids, bases, alcohols, amines.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, carbon dioxide, silicon dioxide.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 78948-04-6 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
1,1-Bis(trichlorosilylmethyl)ethylene - 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
No information available.
IMO
No information available.
RID/ADR
No information available.
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 14 Reacts violently with water.
R 34 Causes burns.
Safety Phrases:
S 8 Keep container dry.
S 25 Avoid contact with eyes.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 78948-04-6: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 78948-04-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 78948-04-6 is not listed on the TSCA inventory.
It is for research and development use only.
SECTION 16 - ADDITIONAL INFORMATION N/A
