Material Safety Data Sheet
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Silquest* A 189 SILANE
Gamma-Mercaptopropvltrimethoxvsi lane
1. CHEMICALPRODUCT AND COMPANYIDENTIFICATION
Momentive Performance Materials
Manufactured By:
3500 South State Route 2
FRIENDLY WV 26146
Revised: 10/15/2007
PRODUCT STEWARDSHIP COMPLIANCE AND STANDARDS
Preparer:
CHEMTREC 1-800-424-9300
Chemical Family/Use: Organosilane
Formula: Gamma-Mercaptopropyltrimethoxysilane
HMIS
1 Health: 2
Flammability: 2 Reactivity:
NFPA
1 Health: 2
Flammability: 2 Reactivity:
2. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
DANGER! Harmful or fatal if swallowed. Harmful if absorbed through skin. May cause eye damage and
blindness ifswallowed. Causes eye irritation. Combustible. May cause dizziness and drowsiness. May
cause heart muscle damage. May cause liver and kidney damage.
Odor: Ester-like
Form: Liquid Color: Clear, colorless
POTENTIAL HEALTH EFFECTS
INGESTION
Toxic May cause the followingeffects: - slight discomfort in the mouth, throat and abdomen This
product hydrolyzes in the stomach to form methanol. Methanol may cause nausea, abdominal pain,
vomiting, headache, dizziness, shortness of breath, weakness, fatigue, leg cramps, restlessness,
confusion, drunken behavior, visual disturbances, drowsiness, coma, and death. There may be a
delay of several hours between swallowing methanol and the onset of signs and symptoms. The
effects observed are in part due to acidosis and partially to cerebral edema. Visual effects include
blurred vision, diplopia, changes in color perception, restriction of visual fields, complete blindness.
Ingestion of moderate quantities of methanol also produces metabolic acidosis. Onset of symptoms
may be delayed up to 48 hours. 60-200 ml methanol is fatal dose for most adults. Ingestion of as little
as 10 ml methanol has caused blindness. With massive overdoses, liver, kidney and heart muscle
injuries have been described.
SKIN
Brief contact is not irritating. Prolonged contact may result in: - more severe irritation - discomfort or
pain - local redness - swelling - possibly tissue destruction
INHALATION
Short-term harmful health effects are not expected from vapor generated at ambient temperature.
However, this material is capable of forming methanol if hydrolyzed. Methanol vapor may cause
MARKETED BY
HARWICK STANDARD
DISTRIBUTION CORPORATION
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60 S. Seiberling Street 路 Akron, Ohio 44305
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Material Safety Data Sheet
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Silquest* A 189 SILANE
Gamma-Merca~topropyltrimethoxY5ilane
dizziness, drowsiness, disturbances of vision, and tingling, numbness, and shooting pains in the
hands and forearms.
EYES
Causes irritation. Causes the following effects: - stinging - excess blinking - tear production -
excess redness of the conjunctivae Injury to the cornea is not expected.
MEDICAL CONDITIONS AGGRAVATED
May aggravate: - an existing kidney disease - an existing liver disease
SUBCHRONIC (TARGET ORGAN)
Eyes; Heart; Liver; Kidney
CHRONIC EFFECTS I CARCINOGENICITY
This product or one of its ingredients present at 0.1% or more is NOT listed as a carcinogen or
suspected carcinogen by NTP, IARC, or OSHA.
ROUTES OF EXPOSURE
Ingestion; Dermal; Eyes
3. COMPOSITION
IINFORMAfioFrOfrINGREDTE"NTS
H'"W~""~_~'~._. _~.~~,~,_,~",','''.'_'__'
PRODUCT COMPOSITION CAS REG NO. WGT.%
A.HAZARDOUS
Methanol 67-56-1 < 1%
2530-87-2 5 -10 %
3-Chloropropyltrimethoxysilane
4420-74-0 60 - 90 %
Mercaptopropyltrimethoxysilane
B. NON-HAZARDOUS
Note(s):
Additional methanol may be formed by reaction with moisture.
4~~FiRST MEASURES
AID
INGESTION
If conscious, drink plenty of water. Induce vomiting if person is conscious. Obtain medical
attention immediately.
SKIN
Wash off immediately with soap and plenty of water while removing all contaminated clothes and
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MaterialSafety Data Sheet
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Silquest* A 189 SILANE
Gamma-Mercaptopropyltrimethoxysilane
shoes. Wash contaminated clothing before re-use. Obtain medical attention.
INHALATION
Remove to fresh air. Artificial respiration and/or oxygen may be necessary. Obtain medical
attention immediately.
EYES
Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain
medical attention.
NOTE TO PHYSICIAN
Product may hydrolyze upon contact with body fluids in the gastrointestinal tract to produce
additional methanol; therefore, consider the signs/symptoms of methanol poisoning and also
observe the known latency period of several days.
1
I 5.. FIRE-FIGHTING MEASURES
FLASH POINT: 88 掳C; 190 of
METHOD: Tag closed cup
IGNITION TEMPERATURE: No data available
No data available
FLAMMABLE LIMITS IN AIR - LOWER (%):
FLAMMABLE LIMITS IN AIR - UPPER (%): No data available
SENSITIVITY TO MECHANICAL IMPACT: No
SENSITIVITY TO STATIC DISCHARGE
Sensitivity to static discharge is expected; material has a flash point below 200 F.
EXTINGUISHING MEDIA
All standard extinguishing agents are suitable.
SPECIAL FIRE FIGHTING PROCEDURES
Firefighters must wear NIOSH/MSHA approved positive pressure self-contained breathing
apparatus with full face mask and full protective clothing.
Further Information
Due to the initial water-silane reaction, use remote spray monitors or fight fire from behind
barriers.
r 6. ACCIDENTAL REL~S~~EAS~URE~_~, .~
ACTION TO BE TAKEN IF MATERIAL IS RELEASED OR SPILLED
Wipe, scrape or soak up in an inert material and put in a container for disposal. Wash walking
surfaces with detergent and water to reduce slipping hazard. Wear proper protective equipment as
specified in the protective equipment section.
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Material Safety Data Sheet
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Gamma-Mercaptopropvltrimethoxvsilane
7.HANDLING AND STORAGE
PRECAUTIONS TO BE TAKEN IN HANDLING AND STORAGE
Avoid contact with skin and eyes. Keep away from children. Attention: Not for injection into humans.
Other precautions
DANGER! Harmful or fatal if swallowed due to methanol production in the stomach.
STORAGE
Keep container closed. Store in original container. Keep away from heat and flame.
FURTHER INFORMATION ON STORAGE CONDITIONS
No data available
8. EXPOSURE CONTROLS I PERSONAL PROTECTION
ENGINEERING CONTROLS
Use only in an area equipped with a safety shower.; Eye wash bottle with pure water; General
(mechanical) room ventilation is expected to be satisfactory if handled at low temperatures or in
covered equipment.; Special, local ventilation is needed at points where vapors can be expected to
escape to the workplace air.
RESPIRATORY PROTECTION
If exposure limits are exceeded or respiratory irritation is experienced, NIOSH/MSHA approved
respiratory protection should be worn. Supplied air respirators may be required for non-routine or
emergency situations. Respiratory protection must be provided in accordance with OSHA regulations
(see 29CFR 1910.134).
PROTECTIVE GLOVES
Impermeable or chemical resistant gloves.
EYE AND FACE PROTECTION
Monogoggles
OTHER PROTECTIVE EQUIPMENT
Safety shoes; Protective suit
EXQosure Guidelines
CAS RN Source Value
Absence of values indicates none found
- OSHA - ACGIH - Time
PEL Permissible Exposure Limit; TLV Threshold Limit Value; TWA Weighted Average
OSHA revoked the Final Rule Limits of January 19, 1989 in response to the 11th Circuit Court of Appeals decision (AFL-CIO v. OSHA)
effective June 3D, 1993. See 29 CFR 1910.1000 (58 FR 35338).
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Material Safety Data Sheet
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Gamma-MercaptoDroDvltrimethoxvsi lane
9.PHYSICAL CHEMICAL
AND PROPERTIES
-C
& F:
BOILING POINT 212掳C; 414 of
<1
VAPOR PRESSURE (20 C) (MM HG):
>1
VAPOR DENSITY (AIR=1):
FREEZING POINT: < 0 掳C; < 32 of
MELTING POINT: < 0 掳C; < 32 of
PHYSICAL STATE: Liquid
ODOR: Ester-like
COLOR: Clear, colorless
<1
EVAPORATION RATE (BUTYL ACETATE=1):
1.05
SPECIFIC GRAVITY (WATER=1):
DENSITY: 1.0500 g/cm3
No data available
ACID 1 ALKALINITY (MEQlG):
No data available
pH:
No data available
VOLATILE ORGANIC CONTENT (VOL):
SOLUBILITY IN WATER (20 C): Reacts slowly
No data available
SOLUBILITY IN ORGANIC SOLVENT (STATE
SOLVENT):
999.86
VOC EXCL. H20 & EXEMPTS (G/L):
.1O~~STABfLlty AND REACTIVITY
"""""",','~""""',',,,',,,,,,_,,,,,w"""m"=""" "" ~ ~m
STABILITY
Stable
HAZARDOUS POLYMERIZATION
Will not occur.
HAZARDOUSTHERMALDECOMPOSITION1COMBUSTIONPRODUCTS
Burning can produce the followingcombustion products:; Oxides of carbon.; Oxides of sulfur.; Oxides
of silicon.; Carbon monoxide is highlytoxic if inhaled; carbon dioxide in sufficientconcentrations can
act as an asphyxiant.; Acute overexposure to the products of combustion may result in irritationof the
respiratory tract.
INCOMPATIBILITY (MATERIALS TO AVOID)
Reacts with water or moisture to form: Methanol.
CONDITIONS TO AVOID
None known.
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Material Safety Data Sheet
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10/15/2007
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Gamma-MercaptoproDvltrimethoxvsi lane
11. TOXICOLOGICALINFORMATION
ACUTE ORAL
Species: Rat.; 1,700 mg/kg;
Species: Rat.; 850 mg/kg;
ACUTE DERMAL
Species: Rabbit.; 1,922 mg/kg;
Species: Rabbit.; 2,972 mg/kg;
OTHER
Shown to be nephrotoxic in rabbits by 24-hour occluded contact at doses of 2.0 ml/kg and above, and
at 4.0 ml/kg there was a necrotizing cystitis of the urinary bladder. The nephrotoxic effect is due to
both the mercaptopropyltrimethoxysilane and chloropropyltrimethoxysilane., The following information
is for the component of gamma-Chloropropyltrimethoxysilane., In a repeated vapor exposure study (4
weeks), test-article related changes were detected histopathologically in the adrenal glands, kidney,
liver, and urinary bladder. This material produced a statistically significant increase in bone marrow
micronuclei of female mice by exposure to 200 ppm vapor with no effect seen at 100 ppm. In a
subchronic repeated vapor exposure study (90 days), test-article related findings included
histopathologic changes in the urinary bladder and kidneys of rats exposed to 99 ppm. The NOEL was
determined to be 5 ppm. This material was mutagenic in Salmonella typhimurium strain TA98 in the
absence of metabolic activation and in strains TA100, TA1535, and TA1537 both with and without
metabolic activation. This material was positive for genotoxicity in the presence of metabolic activation
in an in vitro mouse lymphoma mutagenesis assay, and negative in the absence of metabolic
activation. This material was not mutagenic in an in vitro CHO/HGPRT forward mutation assay. This
material was not genotoxic in an in vivo mouse micronucleus test by intraperitoneal injection.
SENSITIZATION
No data available
SKIN IRRITATION
Species: Rabbit.; Result: No skin irritation
EYE IRRITATION
Species: Rabbit. ; Result: Minimal conjunctival hyperemia
MUTAGENICITY
No data available
OTHER EFFECTS OF OVEREXPOSURE
No adverse effects anticipated from available information.
12. ECOLOGICALINFORMATIO~r
ECOTOXICOLOGY
All available ecological data have been taken into account for the development of the hazard and
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Material Safety Data Sheet
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Silquest* A 189 SILANE
Gamma-Mercaptopropyltrimethoxysi lane
precautionary information contained in this Safety Data Sheet.
ECOTOXICITY
No data available
DISTRIBUTION
No data available
CHEMICAL FATE
No data available
ECOTOXICITY EFFECTS
Toxicity to fish
Species: Bluegill sunfish
Dose: 12.3 mg/I
Exposure time: 96 h
Toxicity to other organisms
EC50
Species: Daphnia magna (Water flea)
Dose: 6.7 mg/I
Exposure time: 48 h
Toxicity to algae
Species: Algae
Dose: 40 mg/I
1
113. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD
Disposal should be made in accordance with federal, state and local regulations.
l
14. TRANSPORT INFORMATION
r
DOT SHIPPING NAME: Combustible liquid, n.o.s.(MERCAPTOPROPYLTRIMETHOXYSILANE)
DOT HAZARD CLASS: CBL
NON
DOT LABEL (S):
UN/NA NUMBER: NA 1993
PACKING GROUP: III
IMDG SHIPPING NAME: Environmentally hazardous substances, liquid,
n.o.s.(MERCAPTOPROPYLTRIMETHOXYSILANE)
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Material Safety Data Sheet
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Silquest* A 189 SILANE
Gamma-Mercaptopropyltrimethoxysilane
CLASS: 9
IMDG-LABELS: 9
UN NUMBER: UN3082
PACKING GROUP: III
EMS No: F-A;S-F
lATA: Environmentally hazardous substances, liquid, n.o.s.
(MERCAPTOPROPYl TRIMETHOXYSllANE)
CLASS: 9
ICAO-LABELS: 9MI
UN NUMBER: UN3082
PACKING GROUP: III
115. REGULATORY INFORMATION
. ,..'.."...,..""."',.".< 芦 ,,, ,...,..,:.,,...,.,,.. .. ... .. ...........
Inventories
Korea Existing Chemicals y (Positive listing)
Inventory (KECI)
Japan Inventory of Existing & y (Positive listing)
New Chemical Substances
(ENCS)
EU list of existing chemical y (Positive listing)
substances
y (Positive listing)
Australia Inventory of Chemical
Substances (AICS)
y (Positive listing)
Philippines Inventory of
Chemicals and Chemical
Substances (PICCS)
TSCA list y (Positive listing)
China Inventory of Existing y (Positive listing)
Chemical Substances
Canada DSl Inventory y (Positive listing)
Canada NDSL Inventory n (Negative listing)
For inventories that are marked as quantity restricted or special cases, please contact Momentive.
US Reaulatorv Information
SARA (311,312) HAZARD CLASS
Acute Health Hazard; Chronic Health Hazard; Fire Hazard
SARA (313) CHEMICALS
Canadian Reaulatorv Information
WHMIS HAZARD CLASS
Combustible Liquid, D1A VERY TOXIC MATERIALS, D2A VERY TOXIC MATERIALS, D28 TOXIC
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Material Safety Data Sheet
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Silquest* A 189 SILANE
Gamma-Mercaptopropyltrimethoxysi lane
MATERIALS
CALIFORNIA PROPOSITION 65
This product does not contain any chemicals known to State of California to cause cancer, birth, or
any other reproductive defects.
116. OTHER INFORMATION I
OTHER
These data are offered in good faith as typical values and not as product specifications. No warranty,
either expressed or implied, is made. The recommended industrial hygiene and safe handling
procedures are believed to be generally applicable. However, each user should review these
recommendations in the specific context of the intended use and determine whether they are
appropriate., C = ceiling limit NEGL = negligible EST = estimated NF = none found
NA = not applicable UNKN = unknown NE = none established REC = recommended ND =
none determined V = recommended by vendor SKN = skin TS = trade secret R =
recommended MST = mist NT = not tested STEL = short term exposure limit ppm =
parts per million ppb = parts per billion By-product= reaction by-product, TSCA inventory status
not required under 40 CFR part 720.30(h-2).
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