118736-04-2

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Section2. HAZARDS IDENTIFICATION
Classification of the GHS
PHYSICAL HAZARDSNot classified
HEALTH HAZARDSNot classified
Not classified
ENVIRONMENTAL HAZARDS
GHS label elements
None
Pictograms or hazard symbols
Signal wordNo signal word
None
Hazard statement
Precautionary statementsNone

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Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture:Substance
Component(s):tert-Butyl[4-(dimethoxymethyl)phenoxy]dimethylsilane
Percent:>98.0%(GC)
CAS Number:118736-04-2
Synonyms:1-(tert-Butyldimethylsilyloxy)-4-(dimethoxymethyl)benzene , 4-(tert-
Butyldimethylsilyloxy)benzaldehyde Dimethyl Acetal
Chemical Formula:C15H26O3Si

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Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical advice/attention if you feel unwell.
Skin contact:Remove/Take off immediately all contaminated clothing. Rinse skin with
water/shower. If skin irritation or rash occurs: Get medical advice/attention.
Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth.
Protection of first-aiders:A rescuer should wear personal protective equipment, such as rubber gloves and air-
tight goggles.

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Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry chemical, foam, water spray, carbon dioxide.
media:
Specific hazards:Take care as it may decompose upon combustion or in high temperatures to
generate poisonous fume.
tert-Butyl[4-
(dimethoxymethyl)phenoxy]dimethylsilane

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Section5. FIRE-FIGHTING MEASURES
Specific methods:Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

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Section6. ACCIDENTAL RELEASE MEASURES
Use personal protective equipment. Keep people away from and upwind of spill/leak.
Personal precautions,
protective equipment and Ensure adequate ventilation. Entry to non-involved personnel should be controlled
emergency procedures: around the leakage area by roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Absorb spilled material in a suitable absorbent (e.g. rag, dry sand, earth, saw-dust).
containment and cleaning In case of large amount of spillage, contain a spill by bunding. Adhered or collected
up: material should be promptly disposed of, in accordance with appropriate laws and
regulations.

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Section7. HANDLING AND STORAGE
Handling
Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment.
Prevent generation of vapor or mist. Wash hands and face thoroughly after handling.
Use a ventilation, local exhaust if vapor or aerosol will be generated.
Advice on safe handling:Avoid contact with skin, eyes and clothing.
Storage
Keep container tightly closed. Store in a cool and dark place.
Storage conditions:
Store under inert gas.
Protect from moisture.
Store away from incompatible materials such as oxidizing agents.
Packaging material:Law is followed.

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Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls:Install a closed system or local exhaust as possible so that workers should not be
exposed directly. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Vapor respirator. Follow local and national regulations.
Hand protection:Protective gloves.
Eye protection:Safety glasses. A face-shield, if the situation requires.
Skin and body protection: Protective clothing. Protective boots, if the situation requires.

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Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Liquid
Form:clear
Color:Colorless - Almost colorless
Odor:No data available
pH: No data available
Melting point/freezing point:No data available
Boiling Point/Range:No data available
Flash Point:No data available
Explosive limits
Lower:No data available
Upper:No data available
Density:No data available
Solubility:No data available
tert-Butyl[4-
(dimethoxymethyl)phenoxy]dimethylsilane

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Section10. STABILITY AND REACTIVITY
Stability:Stable under proper conditions.
Reactivity:No special reactivity has been reported.
Conditions to avoid:Moisture-sensitive
Incompartible materials: oxidizing agents
Hazardous Decomposition Carbon monoxide, Carbon dioxide, Silicon oxides
Products:

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Section11. TOXICOLOGICAL INFORMATION
No data available
Acute Toxicity:
Skin corrosion/irritation: No data available
No data available
Serious eye
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
No data available
IARC =
NTP =No data available
No data available
Reproductive toxicity:

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Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish:No data available
Crustacea:No data available
Algae:No data available
Persistence / degradability: No data available
BioaccumulativeNo data available
potential(BCF):
Mobillity in soil
log Pow:No data available
Soil adsorption (Koc):No data available
Henry's LawNo data available
constant(PaM3/mol):

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Section13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to burn in a chemical
incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when
disposing of the substance.

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Section14. TRANSPORT INFORMATION
Hazards Class:Does not correspond to the classification standard of the United Nations
UN-No:Not Listed

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Section15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26,
2002): Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were
prescribed.
tert-Butyl[4-
(dimethoxymethyl)phenoxy]dimethylsilane

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SECTION 16 - ADDITIONAL INFORMATION
N/A