**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 75-77-4 |Trimethylchlorosilane | 100.0 | 200-900-5 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: F C
Risk Phrases: 11 14 35
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Highly flammable. Reacts violently with water. Causes severe
burns.Water-reactive.
Potential Health Effects
Eye:
Causes severe eye burns.
Skin:
Contact with skin causes irritation and possible burns, especially
if the skin is wet or moist. May be harmful if absorbed through the
skin.
Ingestion:
May cause severe gastrointestinal tract irritation with nausea,
vomiting and possible burns.
Inhalation:
May cause irritation of the respiratory tract with burning pain in
the nose and throat, coughing, wheezing, shortness of breath and
pulmonary edema. Inhalation may be fatal as a result of spasm,
inflammation, edema of the larynx and bronchi, chemical pneumonitis
and pulmonary edema.
Chronic:
Chronic exposure may cause effects similar to those of acute
exposure.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for
at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give
anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. 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. Use water spray to keep fire-exposed containers
cool. Water Reactive. Extremely flammable liquid and vapor. Vapor may
cause flash fire. Vapors are heavier than air and may travel to a
source of ignition and flash back. Vapors can spread along the ground
and collect in low or confined areas.
Extinguishing Media:
Use carbon dioxide or dry chemical. DO NOT USE WATER OR FOAM.
**** 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. Remove all sources of ignition.
Use a spark-proof tool. Provide ventilation. Do not get water on
spilled substances or inside containers.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Ground and bond containers when
transferring material. Use spark-proof tools and explosion proof
equipment. Do not get in eyes, on skin, or on clothing. Empty
containers retain product residue, (liquid and/or vapor), and can be
dangerous. Do not ingest or inhale. Do not allow contact with water.
Do not pressurize, cut, weld, braze, solder, drill, grind, or expose
empty containers to heat, sparks or open flames. Use only with
adequate ventilation. Keep away from heat, sparks and flame.
Storage:
Keep away from sources of ignition. Store in a cool, dry place.
Store in a tightly closed container. Keep away from water.
Flammables-area.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate
ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 75-77-4:
Personal Protective Equipment
Eyes:
Wear chemical splash goggles.
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: clear, colorless
Odor: sharp odor - irritating odor
pH: Not available.
Vapor Pressure: 234 mm Hg @ 25 deg C
Viscosity: Not available.
Boiling Point: 57 deg C @ 760 mm Hg
Freezing/Melting Point: -58 deg C
Autoignition Temperature: 743 deg F ( 395.00 deg C)
Flash Point: -18 deg F ( -27.78 deg C)
Explosion Limits, lower: 1.8 vol %
Explosion Limits, upper: 6.0 vol %
Decomposition Temperature:
Solubility in water: reacts
Specific Gravity/Density: .8500 g/cm3
Molecular Formula: C3H9ClSi
Molecular Weight: 108.64
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable under normal temperatures and pressures. Reacts violently
with water.
Conditions to Avoid:
Ignition sources.
Incompatibilities with Other Materials:
Water, hexafluoroisopropylideneamino lithium.
Hazardous Decomposition Products:
Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide, silicon
dioxide.
Hazardous Polymerization: Has not been reported
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 75-77-4: VV2710000
LD50/LC50:
CAS# 75-77-4: Draize test, rabbit, eye: 5 uL Moderate; Draize test,
rabbit, skin: 500 uL Moderate; Oral, rat: LD50 = 5660 uL/kg; Skin,
rabbit: LD50 = 1780 uL/kg.
Carcinogenicity:
Trimethylchlorosilane -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
Ecotoxicity:
Water danger/protection: WGK 1
Salmonella typhimurium TA97, TA98,
TA100, TA1535, TA1537 without metabolic activation positive.
Aquatic
toxicity Tlm 96: 100-10 ppm.
Do not allow the product to reach the
effluent drain. Do not introduce signifiant amounts into sewerage.
Prevent any contamination under ground water. Hydrolyses to
hexamethyldisiloxane.
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location. Contact a specialist disposal company or the local
waste regulator for advice. Empty containers must be decontaminated before
returning for recycling.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: TRIMETHYLCHLOROSILANE
Hazard Class: 3
UN Number: 1298
Packing Group: II
IMO
Shipping Name: TRIMETHYLCHLOROSILANE
Hazard Class: 3
UN Number: 1298
Packing Group: II
RID/ADR
Shipping Name: TRIMETHYLCHLOROSILANE
Hazard Class: 3
UN Number: 1298
Packing group: II
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F C
Risk Phrases:
R 11 Highly flammable.
R 14 Reacts violently with water.
R 35 Causes severe burns.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 25 Avoid contact with eyes.
S 30 Never add water to this product.
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# 75-77-4: 1
Canada
CAS# 75-77-4 is listed on Canada's DSL List.
CAS# 75-77-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 75-77-4 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 12/12/1997 Revision #2 Date: 9/30/2002
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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