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MSDS 
:
 1,1-Dichlorosilacyclobutane, 97%
CAS 
:
 2351-33-9
SYNONYMS 
:
 None.
Catalog of Chemical Suppliers, Buyers, Custom Synthesis Companies And Equipment Manufacturers
[ 1,1-Dichlorosilacyclobutane, 97% 2351-33-9 ]
Suppliers:   
Not Available
Buyers:  
Not Available
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 2351-33-9 |1,1-Dichlorosilacyclobutane | 97 | 219-084-7 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: F C
Risk Phrases: 11 14 34

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Highly flammable. Reacts violently with water. Causes burns.

Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns.
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. Vapors can travel to a source of ignition and flash
back. Water Reactive. Material will react with water and may release
a flammable and/or toxic gas. Containers may explode in the heat of
a fire. Flammable liquid and vapor.
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. Remove all sources of ignition.
Use a spark-proof tool. Provide ventilation. Do not expose spill to
water.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Do not allow water to get into the container because of violent
reaction. Do not breathe dust, vapor, mist, or gas. Do not get in
eyes, on skin, or on clothing. 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. Store under an inert atmosphere. Store absolutely
dry.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 2351-33-9:


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 to light yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 113 - 114 deg C @ 7
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 9 deg C ( 48.20 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: reacts with water
Specific Gravity/Density: 1.200 g/ml
Molecular Formula: C3H6Cl2Si
Molecular Weight: 141.07

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Ignition sources, exposure to moist air or water.
Incompatibilities with Other Materials:
Water, strong oxidizing agents.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, carbon dioxide, silicon dioxide.
Hazardous Polymerization: Has not been reported

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 2351-33-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
1,1-Dichlorosilacyclobutane -
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: F C
Risk Phrases:
R 11 Highly flammable.
R 14 Reacts violently with water.
R 34 Causes burns.
Safety Phrases:
S 8 Keep container dry.
S 16 Keep away from sources of ignition - No
smoking.
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# 2351-33-9: No information available.
Canada
CAS# 2351-33-9 is listed on Canada's NDSL List.
CAS# 2351-33-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 2351-33-9 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 2/01/1999 Revision #3 Date: 9/08/2004

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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