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Chlorodimethylsilane
CAS No.: 1066-35-9
Synonyms:
Formula: C2H7ClSi
Exact Mass: 94.00060
Molecular Weight: 94.61550
PSA: 0.00000
LogP: 1.20860
Reference Price: $369/L Inquiry Now
Chlorodimethylsilane 1066-35-9 MSDS
Name: Chlorodimethylsilane 96% (gc) Material Safety Data Sheet
Synonym: DMC
CAS: 1066-35-9
Section 1 - Chemical Product   MSDS Name:Chlorodimethylsilane 96% (gc) Material Safety Data Sheet
Synonym:DMC

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
1066-35-9 Chlorodimethylsilane 96.0 213-912-0
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:
Vapors may cause dizziness or suffocation.
Chronic:
No information found.

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. 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. Vapors may form an explosive mixture with air. Use water spray to keep fire-exposed containers cool. Extremely flammable liquid and vapor. Containers may explode in the heat of a fire. Will be easily ignited by heat, sparks or flame. Containers may explode when heated.
Extinguishing Media:
Use water spray to cool fire-exposed containers. For fires involving chlorosilanes, an aqueous film forming foam (AFFF) may be used. Do NOT use dry chemicals, soda ash, or lime on chlorosilane fires as they may release large quantities of hydrogen gas which may explode.

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.
Provide ventilation. A vapor suppressing foam may be used to reduce vapors. Water spray may reduce vapor but may not prevent ignition in closed spaces.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Ground and bond containers when transferring material. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Keep away from heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 1066-35-9: United Kingdom, WEL - TWA: (listed as silica, amorphous): 6 mg/m3 (inhalable dust); 2.4 mg/m3 TWA (respirable dust) United Kingdom, WEL - STEL: (listed as silica, amorphous): 18 mg/ STEL (inhalable dust); 7.2 mg/m3 STEL (respirable dust) Russia: (listed as silica, amorphous): 1 mg/m3 TWA 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: Liquid
Color: clear, colorless
Odor: None reported.
pH: Not available.
Vapor Pressure: 143 mmHg @ 20 C
Viscosity: Not available.
Boiling Point: 34.6 deg C @ 760.00mm Hg
Freezing/Melting Point: - 111.00 - - 0.00 deg
Autoignition Temperature: Not available.
Flash Point: -28 deg C ( -18.40 deg F)
Explosion Limits, lower: 3.00 vol %
Explosion Limits, upper: 20.00 vol %
Decomposition Temperature:
Solubility in water: reacts
Specific Gravity/Density: .8520g/cm3
Molecular Formula: C2H7ClSi
Molecular Weight: 94.62

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, ignition sources, dust generation, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Oxidizing agents Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, silicon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 1066-35-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Chlorodimethylsilane - 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 LIQUID, CORROSIVE, N.O.S.*
Hazard Class: 3 (8)
UN Number: 2924
Packing Group: I
IMO
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3.1 (8)
UN Number: 2924
Packing Group: I
RID/ADR
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3
UN Number: 2924
Packing group: I

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 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
WGK (Water Danger/Protection)
CAS# 1066-35-9: No information available.
Canada
CAS# 1066-35-9 is listed on Canada's NDSL List.
CAS# 1066-35-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1066-35-9 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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