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Search   
MSDS  
:
 Dimethylethoxysilane
CAS  
:
 14857-34-2
SYNONYMS  
:
 Ethoxydimethylsilane.

Section 1 - Chemical Product and Company Identification
MSDS Name: Dimethylethoxysilane
Catalog Numbers: AC392000000, AC392000050, AC392000250, AC392001000
Synonyms:
Ethoxydimethylsilane.
Company Identification:

              Acros Organics N.V.
              One Reagent Lane
              Fair Lawn, NJ 07410
For information in North America, call: 800-ACROS-01
For emergencies in the US, call CHEMTREC: 800-424-9300

Section 2 - Composition, Information on Ingredients

CAS# Chemical Name Percent EINECS/ELINCS
14857-34-2 Dimethylethoxysilane 95 238-921-7

Section 3 - Hazards Identification

EMERGENCY OVERVIEW

Appearance: Not available. Flash Point: -5 deg C.
Danger! Flammable liquid and vapor. Causes eye, skin, and respiratory tract irritation.
Target Organs: Blood, central nervous system, liver, respiratory system, eyes, skin.


Potential Health Effects
Eye: Causes eye irritation.
Skin: Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation: Causes respiratory tract irritation. May be harmful if inhaled.
Chronic: Chronic exposure may cause liver damage. Adverse reproductive effects have been reported in animals. Chronic exposure may cause blood effects. Exposure to high concentrations may cause central nervous system depression.

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.
Skin: Get medical aid. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Do not induce vomiting. Get medical aid.
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: Treat symptomatically and supportively.

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. Vapors can travel to a source of ignition and flash back. Will burn if involved in a fire. Containers may explode in the heat of a fire. Flammable liquid and vapor.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Flash Point: -5 deg C ( 23.00 deg F)
Autoignition Temperature: Not applicable.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating: (estimated) Health: 2; Flammability: 3; Instability: 1

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. Wear a self contained breathing apparatus and appropriate personal protection. (See Exposure Controls, Personal Protection section). Remove all sources of ignition. Use a spark-proof tool. Do not let this chemical enter the environment.

Section 7 - Handling and Storage


Handling: Use spark-proof tools and explosion proof equipment. Do not get in eyes, on skin, or on clothing. Take precautionary measures against static discharges. Keep away from heat, sparks and flame. Do not ingest or inhale. Use only in a chemical fume hood.
Storage: Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area. Store under nitrogen.

Section 8 - Exposure Controls, Personal Protection


Engineering Controls: Use explosion-proof ventilation equipment. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use only under a chemical fume hood.
Exposure Limits
Chemical Name ACGIH NIOSH OSHA - Final PELs
Dimethylethoxysilane 0.5 ppm TWA; 1.5 ppm STEL none listed none listed

OSHA Vacated PELs: Dimethylethoxysilane: No OSHA Vacated PELs are listed for this chemical.
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: A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - Physical and Chemical Properties


Physical State: Liquid
Appearance: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: 230mmHg @20 deg C
Vapor Density: >1 (air=1)
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: 54 deg C @760mmHg
Freezing/Melting Point:Not available.
Decomposition Temperature:Not available.
Solubility: Reacts.
Specific Gravity/Density:0.757
Molecular Formula:C4H12OSi
Molecular Weight:104.22

Section 10 - Stability and Reactivity


Chemical Stability: Stable. However, may decompose if exposed to moist air or water. Moisture sensitive.
Conditions to Avoid: Incompatible materials, ignition sources, excess heat, exposure to moist air or water.
Incompatibilities with Other Materials: Strong oxidizing agents, acids, bases.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, oxides of silicon.
Hazardous Polymerization: Will not occur.

Section 11 - Toxicological Information


RTECS#:      
CAS# 14857-34-2: VV4090000
LD50/LC50:
Not available.

Carcinogenicity:
CAS# 14857-34-2: Not listed by ACGIH, IARC, NTP, or CA Prop 65.

Epidemiology: No information found
Teratogenicity: No information found
Reproductive Effects: Adverse reproductive effects have occurred in experimental animals.
Mutagenicity: No information found
Neurotoxicity: No information found
Other Studies:

Section 12 - Ecological Information


Ecotoxicity: No data available. No information available.
Environmental: No information available.
Physical: No information available.
Other: Do not empty into drains.

Section 13 - Disposal Considerations

Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.

Section 14 - Transport Information

US DOT Canada TDG
Shipping Name: FLAMMABLE LIQUID, N.O.S.* FLAMMABLE LIQUID, N.O.S.*
Hazard Class: 3 3
UN Number: UN1993 UN1993
Packing Group: II II

Section 15 - Regulatory Information

US FEDERAL

TSCA
     CAS# 14857-34-2 is listed on the TSCA inventory.
Health & Safety Reporting List
     None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
     None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
     None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
     None of the chemicals in this material have a SNUR under TSCA.
CERCLA Hazardous Substances and corresponding RQs
     None of the chemicals in this material have an RQ.
SARA Section 302 Extremely Hazardous Substances
     None of the chemicals in this product have a TPQ.
Section 313      No chemicals are reportable under Section 313.
Clean Air Act:
     This material does not contain any hazardous air pollutants.
     This material does not contain any Class 1 Ozone depletors.
     This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
     None of the chemicals in this product are listed as Hazardous Substances under the CWA.
     None of the chemicals in this product are listed as Priority Pollutants under the CWA.
     None of the chemicals in this product are listed as Toxic Pollutants under the CWA.
OSHA:
     None of the chemicals in this product are considered highly hazardous by OSHA.
STATE
     CAS# 14857-34-2 is not present on state lists from CA, PA, MN, MA, FL, or NJ.

California Prop 65

California No Significant Risk Level: None of the chemicals in this product are listed.

European/International Regulations

European Labeling in Accordance with EC Directives
Hazard Symbols:
     XI F
Risk Phrases:

     R 11 Highly flammable.
     R 36/37/38 Irritating to eyes, respiratory system and skin.

Safety Phrases:

     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.
     S 37/39 Wear suitable gloves and eye/face protection.

WGK (Water Danger/Protection)

     CAS# 14857-34-2: No information available.
Canada - DSL/NDSL
     CAS# 14857-34-2 is listed on Canada's NDSL List.
Canada - WHMIS
     This product has a WHMIS classification of B2, D2B.
This product has been classified in accordance with the hazard criteria of the Controlled Products Regulations and the MSDS contains all of the information required by those regulations.
Canadian Ingredient Disclosure List

Section 16 - Additional Information

MSDS Creation Date: 11/30/2006
Revision #2 Date: 3/24/2008

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 event shall Fisher 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 Fisher has been advised of the possibility of such damages.

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4-(1,3-Thiazol-2-yl)benzonitrile 672324-84-4
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1-Chlorobutane 109-69-3
2-[(5-Bromo-7-methyl-2,3-dihydro-1H-inden-4-yl)oxy]acetohydrazide 303010-22-2
3-(2,5-Dimethyl-1H-pyrrol-1-yl)-2-thiophenecarbohydrazide 666724-62-5
Trimethylsilyl acetate 2754-27-0
2-(2-Bromo-4,5-dichloro-1H-imidazol-1-yl)ethanohydrazide 175202-83-2
Dimethylethoxysilane 14857-34-2
(Chloromethyl)dimethylphenylsilane 1833-51-8
2-(Diphenylphosphino)ethyltriethoxysilane 18586-39-5
Dimethyldi-2-thienylsilane 17888-49-2
N-BOC-2-trimethylsilylindole 146337-49-7
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Ethyl 3-[(2,5-dimethoxyphenyl)thio]propanoate 255377-87-8
3-{1-[(2,4-dichlorophenyl)sulfonyl]-2-pyrrolidinyl}pyridine Not available
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3-(4-Chlorobenzyl)-2-(3-pyridyl)-1,3-thiazolan-4-one Not available
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3-Methylbutyraldehyde, 98% 590-86-3
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1-Methyl-4-(2-nitrovinyl)benzene 7559-36-6
4-(Trimethylsilyl)pyridine 18301-46-7
2-(Trimethylsilyl)pyridine 13737-04-7
Sodium polyphosphate 50813-16-6
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Dimethylphenylsilanol 5272-18-4



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