Triethoxysilane

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Section2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDS
Flammable liquidsCategory 3
HEALTH HAZARDS
Acute toxicity (Inhalation)Category 1
Skin corrosion/irritationCategory 1B
Serious eye damage/eye irritationCategory 1
ENVIRONMENTAL HAZARDSNot classified
GHS label elements, including precautionary statements
Pictograms or hazard symbols
Signal wordDanger
Hazard statementsFlammable liquid and vapour
Fatal if inhaled
Causes severe skin burns and eye damage
Precautionary statements:
[Prevention]Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Keep container tightly closed.
Use explosion-proof electrical/ventilating/lighting equipment. Take precautionary
measures against ignition by the static discharge and the spark.
Do not breathe dust/fume/gas/mist/vapours/spray.
Use only outdoors or in a well-ventilated area.
Wash hands thoroughly after handling.
Wear respiratory protection.
Wear protective gloves/eye protection/face protection.
[Response]IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for
breathing. Immediately call a POISON CENTER or doctor/physician.
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
if present and easy to do. Continue rinsing.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse
skin with water/shower.
Wash contaminated clothing before reuse.
Immediately call a POISON CENTER or doctor/physician.
Triethoxysilane

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Section2. HAZARDS IDENTIFICATION
[Storage]Store in a well-ventilated place. Keep container tightly closed.
Store locked up.
[Disposal]Dispose of contents/container through a waste management company authorized by
the local government.

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Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture:Substance
Components:Triethoxysilane
Percent:>97.0%(GC)
CAS Number:998-30-1
Chemical Formula:C6H16O3Si

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Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Immediately call a POISON CENTER or doctor/physician.
Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
soap and water. Immediately call a POISON CENTER or doctor/physician.
Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing.Immediately call a POISON CENTER or
doctor/physician.
Ingestion:Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT
induce vomiting.
Most importantCough, Sore throat, Redness, Pain
symptoms/effects, acute
and delayed:
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, carbon dioxide.
media:
Unsuitable extinguishing Water (It may scatter and spread fire.)
media:
Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
from the chemical:generate poisonous fume.
Precautions for firefighters: 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: Keep containers cool by
spraying with water. Eliminate all ignition sources 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
Personal precautions,Use extra personal protective equipment (self-contained breathing apparatus). Keep
protective equipment and people away from and upwind of spill/leak. Ensure adequate ventilation. Entry to
emergency procedures: non-involved personnel should be controlled around the leakage area by roping off,
etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Absorb spilled material in dry sand or inert absorbent before recovering it into an
containment and cleaning airtight container. In case of large amount of spillage, contain a spill by bunding.
up: Adhered or collected material should be promptly disposed of, in accordance with
appropriate laws and regulations.
Prevention of secondary Remove all sources of ignition. Fire-extinguishing devices should be prepared in case
hazards:of a fire. Use spark-proof tools and explosion-proof equipment.

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Section7. HANDLING AND STORAGE
Precautions for safe handling
Triethoxysilane

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Section7. HANDLING AND STORAGE
Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment.
Prevent generation of vapour or mist. Keep away from heat/sparks/open flame/hot
surfaces. -No smoking. Take measures to prevent the build up of electrostatic
charge. Use explosion-proof equipment. Wash hands and face thoroughly after
handling.
Use a closed system if possible. Use a ventilation, local exhaust if vapour or aerosol
will be generated.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
May develop pressure. Open carefully.
Conditions for safe storage, including any
incompatibilities
Storage conditions:Keep container tightly closed. Store in a cool, dark and well-ventilated place.
Store under inert gas.
Protect from moisture.
Store locked up.
Store away from incompatible materials such as oxidizing agents.
Moisture-sensitive
Packaging material:Comply with laws.

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Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls:Install a closed system or local exhaust. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Half or full facepiece respirator, self-contained breathing apparatus(SCBA), supplied
air respirator, etc. Use respirators approved under appropriate government standards
and follow local and national regulations.
Hand protection:Impervious gloves.
Eye protection:Safety goggles. A face-shield, if the situation requires.
Skin and body protection: Impervious protective clothing. Protective boots, if the situation requires.

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Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Liquid
Form:Clear
Colorless - Almost colorless
Colour:
Odour:No data available
pH: No data available
Melting point/freezing point: No data available
Boiling point/range:134°C
Flash point:29°C
Flammability or explosive
limits:
Lower:1.2%
Upper:No data available
Vapour density:5.7
0.90
Relative density:
Solubility(ies):
[Water]No data available
[Other solvents]No data available

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Section10. STABILITY AND REACTIVITY
Chemical stability:Stable under proper conditions.
Possibility of hazardous Disproportionation can occur in the presence of bases to produce pyrophoric silanes
reactions:occasionally.
Conditions to avoid:Spark, Open flame, Static discharge
Incompatible materials: Oxidizing agents, Acids, Bases, Water, Metals
Hazardous decomposition Carbon monoxide, Carbon dioxide, Silicon oxides
products:
Triethoxysilane

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Section11. TOXICOLOGICAL INFORMATION
ihl-mus LC50:500 mg/m3/2H
Acute Toxicity:
ihl-rat LC50:500 mg/m3/2H
ivn-mus LD50:180 mg/kg
Skin corrosion/irritation: No data available
Serious eyeNo data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
IARC =No data available
NTP =No data available
Reproductive toxicity:No data available
VV6682000
RTECS Number:

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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):
Mobility 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:6.1: Toxic substance.
Subsidiary risk:3/8: Flammable liquid/Corrosive.
UN-No:3489
Proper shipping name:Toxic by inhalation liquid, flammable, corrosive, n.o.s.

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Section15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
loading and unloading were prescribed.
Triethoxysilane

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SECTION 16 - ADDITIONAL INFORMATION
N/A

DATA ITEMS CITED :

6

MOLECULAR FORMULA :

C6-H16-O3-Si

MOLECULAR WEIGHT :

164.31

WISWESSER LINE NOTATION :

2O-SI-O2&O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

500 mg/m3/2H

TOXIC EFFECTS :

Behavioral - ataxia Lungs, Thorax, or Respiration - acute pulmonary edema Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)

REFERENCE :

TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 5,192,1963

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

500 mg/m3/2H

TOXIC EFFECTS :

Behavioral - ataxia Lungs, Thorax, or Respiration - acute pulmonary edema Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)

REFERENCE :

TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 5,192,1963

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

180 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00018 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

20 mg/m3/3H/22W-I

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Liver - liver function tests impaired Blood - changes in leukocyte (WBC) count

REFERENCE :

TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 5,192,1963