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DOW CORNING CORPORATION
Material Safety
Data Sheet
Page: 1
of 10
Version: 3.1
Revision Date:
20130819
DOW CORNING(R) 7657 ADHESIVE
1. PRODUCT AND COMPANY
IDENTIFICATION
Dow Corning Corporation
South Saginaw Road
Midland, Michigan
48686
24 Hour Emergency Telephone:
(989) 496-5900
Customer Service: (989)
496-6000
Product Disposal Information: (989)
496-6315
CHEMTREC: (800) 424-9300
Revision Date: 20130819 MSDS No.: 02646731
Generic Description: Silicone in solvent
Physical Form: Liquid
Color: Colorless
Odor: Solvent odor.
NFPA Profile:
Health 2 Flammability
Note: NFPA =
National Fire Protection Association
2. HAZARDS IDENTIFICATION
3
InstabilityReactivity 0
POTENTIAL HEALTH
EFFECTS
Acute Effects
Eye:
Skin:
Inhalation:
Direct
contact may cause mild irritation. Vapor may
cause eye irritation.
May cause severe
irritation.
Vapor may irritate nose and
throat. Overexposure by inhalation may cause
drowsiness,
dizziness, confusion or loss of
coordination.
Oral: Low ingestion
hazard in normal use.
ProlongedRepeated Exposure Effects
Skin: Repeated or prolonged contact may cause
defatting and drying of skin which may result in
skin irritation and dermatitis.
Inhalation:
Overexposure by inhalation may
injure the following organ(s): Liver. Kidneys.
Nervous
system.
Oral: No known
applicable information.
Other Health
Effects
This product contains a
chemical(s) that has the following effect(s):
Developmental Toxicity
Carcinogenicity
DOW CORNING CORPORATION
Material Safety Data Sheet
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Version: 3.1
Revision Date: 20130819
DOW
CORNING(R) 7657 ADHESIVE
See Section 11 for specific details.
Signs and Symptoms of Overexposure
No
known applicable information.
Medical
Conditions Aggravated by Exposure
No
known applicable information.
The above
listed potential effects of overexposure are based
on actual data, results of studies performed upon
similar compositions,
component data andor
expert review of the product. Please refer to
Section 11 for the detailed toxicology
information.
3.
COMPOSITIONINFORMATION ON INGREDIENTS
CAS
Number Wt % Component Name
1330-20-7
30.0 - 50.0 Xylene
100-41-4 7.0 - 13.0
Ethylbenzene
3555-47-3 1.0 - 5.0
Tetra(trimethylsiloxy) silane
108-88-3
<1.0 Toluene
63148-57-2 <1.0
Methylhydrogen Siloxane, Trimethylsiloxy-
terminated
The above components are
hazardous as defined in 29 CFR 1910.1200.
4. FIRST AID MEASURES
Eye:
Remove from the source of contamination or move to
fresh air Immediately flush the
contaminated
eye(s) with lukewarm, gently flowing water for 5
minutes while holding the
eyelid(s) open.
Obtain medical attention.
Skin: As
quickly as possible remove contaminated clothing,
shoes and leather goods (e.g.
watchbands,
belts). Quickly and gently blot or brush away
excess chemical. Immediately
flush with
lukewarm gently flowing water for 15 minutes.
Completely decontaminate clothing,
shoes and
leather goods before reuse or discard.
Immediately obtain medical attention.
Inhalation: Remove from the source of
contamination or move to fresh air. Obtain
medical attention.
Oral: If irritation
or discomfort occur, obtain medical advice.
Notes to Physician: Treat according to
person's condition and specifics of exposure.
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Material Safety Data Sheet
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Version: 3.1
Revision Date: 20130819
DOW
CORNING(R) 7657 ADHESIVE
5.
FIRE FIGHTING MEASURES
Flash Point: 73.4
°F 23 °C (Pensky-Martens Closed Cup)
Autoignition Temperature: Not determined.
Flammability Limits in Air: Not
determined.
Extinguishing Media: On large
fires use AFFF alcohol compatible foam or water
spray (fog). On small fires use
AFFF alcohol
compatible foam, CO2 or water spray (fog). Water
can be used to cool fire
exposed containers.
Do not allow extinguishing medium to contact
container contents. Most
fire extinguishing
media will cause hydrogen evolution. When the
fire is put out, hydrogen
may accumulate in
poorly ventilated or confined areas and result in
flash fire or explosion if
ignited. Foam
blankets may also trap hydrogen or flammable
vapors, with the possibility of
subsurface
explosion.
Unsuitable Extinguishing
Dry chemical.
Media:
Fire
Fighting Measures: Self-contained breathing
apparatus and protective clothing should be worn
in fighting large
fires involving chemicals.
Determine the need to evacuate or isolate the area
according to
your local emergency plan. Use
water spray to keep fire exposed containers cool.
Unusual Fire Hazards: Vapors are heavier
than air and may travel to a source of ignition
and flash back. Static
electricity will
accumulate and may ignite vapors. Prevent a
possible fire hazard by bonding
and grounding
or inert gas purge.
6. ACCIDENTAL
RELEASE MEASURES
Remove possible
ignition sources. Determine whether to evacuate
or isolate the area
ContainmentClean up:
according to your local emergency plan.
Observe all personal protection equipment
recommendations described in Sections 5 and 8.
For large spills, provide diking or other
appropriate containment to keep material from
spreading. If diked material can be pumped,
store recovered material in appropriate
container. Materials in contact with water,
moisture,
acids or bases have the potential to
generate hydrogen gas. Recovered material should
be
stored in a vented container. Clean up
remaining materials from spill with suitable
absorbant.
Clean area as appropriate since
spilled materials, even in small quantities, may
present a slip
hazard. Final cleaning may
require use of steam, solvents or detergents.
Dispose of
saturated absorbant or cleaning
materials appropriately, since spontaneous heating
may
occur. Local, state and federal laws and
regulations may apply to releases and disposal of
this material, as well as those materials and
items employed in the cleanup of releases. You
will need to determine which federal, state
and local laws and regulations are applicable.
Sections 13 and 15 of this MSDS provide
information regarding certain federal and state
requirements.
Note: See Section 8
for Personal Protective Equipment for Spills.
Call (989) 496-5900, if additional information is
required.
DOW CORNING
CORPORATION
Material Safety Data Sheet
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Version: 3.1
Revision Date: 20130819
DOW CORNING(R) 7657 ADHESIVE
7. HANDLING AND STORAGE
Use
with adequate ventilation. Avoid eye exposure.
Do not get on skin. Avoid breathing vapor, mist,
dust, or fumes.
Keep container closed.
Static electricity will accumulate and may
ignite vapors. Prevent a possible fire hazard by
bonding and grounding or inert
gas purge.
Keep container closed and away from heat, sparks,
and flame. Product may evolve minute quantities
of
flammable hydrogen gas which can
accumulate. Adequately ventilate to maintain
vapors well below flammability limits
and
exposure guidelines. Do not repackage. Do not
store in glass containers which may shatter due to
pressure build up.
Clogged container vents may
increase pressure build up. Keep container closed
and store away from water or moisture.
8. EXPOSURE CONTROLS PERSONAL PROTECTION
Component Exposure Limits
CAS Number
Component Name
1330-20-7 Xylene
100-41-4 Ethylbenzene
Engineering
Controls
Local Ventilation:
General
Ventilation:
Exposure Limits
Observe
xylene limits. OSHA PEL (final rule) and ACGIH
TLV: TWA 100 ppm, STEL 150 ppm.
OSHA PEL (final rule): TWA 100 ppm, 435 mgm3.
ACGIH
TLV: TWA 20 ppm, STEL 125 ppm.
Recommended.
Recommended.
Personal Protective Equipment for Routine
Handling
Eyes: Use chemical worker's
goggles.
Skin: Wash at mealtime and
end of shift. Skin contact must be avoided by
using impervious
protective clothing (gloves,
aprons, boots, etc.). Use chemical protective
gloves as a
minimum and wash skin promptly
upon any skin contact.
Suitable Gloves:
Avoid skin contact by implementing good industrial
hygiene practices and procedures. Select
and
use gloves andor protective clothing to further
minimize the potential for skin contact.
Consult with your glove andor personnel
protective equipment manufacturer for selection of
appropriate compatible materials.
Inhalation: Use respiratory protection unless
adequate local exhaust ventilation is provided or
exposure
assessment demonstrates that
exposures are within recommended exposure
guidelines. IH
personnel can assist in judging
the adequacy of existing engineering controls.
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Material Safety Data Sheet
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Version: 3.1
Revision Date: 20130819
DOW
CORNING(R) 7657 ADHESIVE
Suitable Respirator:
General and
local exhaust ventilation is recommended to
maintain vapor exposures below
recommended
limits. Where concentrations are above
recommended limits or are unknown,
appropriate
respiratory protection should be worn. Follow
OSHA respirator regulations (29
CFR 1910.134)
and use NIOSHMSHA approved respirators.
Personal Protective Equipment for Spills
Eyes: Use full face respirator.
Skin: Wash at mealtime and end of shift. Skin
contact must be avoided by using impervious
protective clothing (gloves, aprons, boots, etc.).
Use chemical protective gloves as a
minimum
and wash skin promptly upon any skin contact.
Respiratory protection recommended.
Follow OSHA Respirator Regulations (29 CFR
InhalationSuitable
1910.134) and use
NIOSHMHSA approved respirators. Protection
provided by air purifying
Respirator:
respirators against exposure to any hazardous
chemical is limited. Use a positive pressure air
supplied respirator if there is any
potential for uncontrolled release, exposure
levels are
unknown, or any other circumstance
where air purifying respirators may not provide
adequate
protection.
Precautionary
Measures: Avoid eye exposure. Do not get on skin.
Avoid breathing vapor, mist, dust, or fumes. Keep
container closed. Use reasonable care.
Note: These precautions are for room
temperature handling. Use at elevated temperature
or aerosolspray applications may require
added
precautions. For further information regarding
aerosol inhalation toxicity, please refer to the
guidance document regarding the
use of
silicone-based materials in aerosol applications
that has been developed by the silicone industry
() or contact
the Dow Corning customer service
group.
9. PHYSICAL AND CHEMICAL
PROPERTIES
Physical Form: Liquid
Color: Colorless
Odor: Solvent odor.
Specific Gravity @ 25°C: 1
Viscosity:
40000 cSt
FreezingMelting Point: Not
determined.
Boiling Point: > 100 °C
Vapor Pressure @ 25°C: Not determined.
Vapor Density: Not determined.
Solubility
in Water: Not determined.
pH: Not
determined.
Volatile Content: 56 %
Flash Point: 73.4 °F 23 °C (Pensky-Martens
Closed Cup)
Autoignition Temperature: Not
determined.
Flammability Limits in Air: Not
determined.
Note: The above information
is not intended for use in preparing product
specifications. Contact Dow Corning before writing
specifications.
DOW CORNING
CORPORATION
Material Safety Data Sheet
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Version: 3.1
Revision Date: 20130819
DOW CORNING(R) 7657 ADHESIVE
10. STABILITY AND REACTIVITY
Chemical Stability: Stable.
Hazardous Hazardous polymerization will not
occur.
Polymerization:
Conditions to
Avoid: None.
Materials to Avoid:
Oxidizing material can cause a reaction. Water,
alcohols, acidic or basic materials, and many
metals or metallic compounds, when in contact with
product, liberate flammable hydrogen
gas,
which can form explosive mixtures in air.
Hazardous Decomposition Products
Thermal breakdown of this product during fire
or very high heat conditions may evolve the
following decomposition
products: Carbon
oxides and traces of incompletely burned carbon
compounds. Silicon dioxide. Formaldehyde.
Hydrogen.
11. TOXICOLOGICAL
INFORMATION
Special Hazard Information on
Components
Carcinogens
CAS
Number Wt % Component Name
100-41-4
7.0 - 13.0 Ethylbenzene
Developmental
Toxicity
CAS Number Wt %
1330-20-7 30.0 - 50.0
12.
ECOLOGICAL INFORMATION
Environmental Fate
and Distribution
Complete information is
not yet available.
Environmental Effects
Complete information is not yet
available.
IARC Group 2B - Possibly
Carcinogenic
to Humans.
Component
Name
Xylene
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CORNING CORPORATION
Material Safety Data Sheet
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DOW CORNING(R) 7657 ADHESIVE
Fate and Effects in Waste Water Treatment
Plants
Complete information is not yet
available.
Ecotoxicity Classification
Criteria
Hazard Parameters (LC50 or EC50) High
Medium
Acute Aquatic Toxicity (mgL) <=1 >1 and
<=100
Acute Terrestrial Toxicity <=100 >100
and <= 2000
This table can be used to
classify the ecotoxicity of this product when
ecotoxicity data is listed above. Please read the
other information presented in the
section
concerning the overall ecological safety of this
material.
This table is adapted from
Low
>100
>2000
13. DISPOSAL
CONSIDERATIONS
RCRA Hazard Class (40 CFR
261)
When a decision is made to discard
this material, as received, is it classified as a
hazardous waste? Yes
Characteristic
Waste:
Ignitable: D001
Reactive: D003
TCLP: D018
State or local laws
may impose additional regulatory requirements
regarding disposal. Call (989) 496-6315, if
additional
information is required.
14. TRANSPORT INFORMATION
DOT Road
Shipment Information (49 CFR 172.101)
Proper Shipping Name: Adhesives
Hazard Class: 3
UNNA Number: UN 1133
Packing Group: III
Hazard
Label(s): Flammable Liquid
Ocean Shipment
(IMDG)
Proper Shipping Name: ADHESIVES
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Material Safety Data Sheet
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DOW
CORNING(R) 7657 ADHESIVE
Hazard
Class:
UNNA Number:
Packing Group:
Hazard Label(s):
Air Shipment (IATA)
Proper Shipping Name:
3
UN 1133
III
flammable liquid
Adhesives
Hazard Class: 3
UNNA Number: UN 1133
Packing Group:
III
Hazard Label(s): Flammable Liquid
Call Dow Corning Transportation, (989)
496-8577, if additional information is required.
15. REGULATORY INFORMATION
Contents of this MSDS comply with the OSHA
Hazard Communication Standard 29 CFR 1910.1200.
TSCA Status: All chemical substances in
this material are included on or exempted from
listing on the TSCA
Inventory of Chemical
Substances.
EPA SARA Title III Chemical
Listings
Section 302 Extremely Hazardous
Substances (40 CFR 355):
None.
Section 304 CERCLA Hazardous Substances (40
CFR 302):
CAS Number Wt % Component Name
1330-20-7 35.0 Xylene
100-41-4 10.0
Ethylbenzene
108-88-3 0.24 Toluene
71-43-2 <0.1 Benzene
Section
311312 Hazard Class (40 CFR 370):
Acute: Yes
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Material Safety Data Sheet
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DOW
CORNING(R) 7657 ADHESIVE
Chronic: Yes
Fire: Yes
Pressure: No
Reactive: Yes
Section 313 Toxic
Chemicals (40 CFR 372):
CAS Number Wt %
Component Name
1330-20-7 35.0 Xylene
100-41-4 10.0 Ethylbenzene
Note: Chemicals are listed under the 313
Toxic Chemicals section only if they meet or
exceed a reporting threshold.
Supplemental State Compliance Information
California
Warning: This product
contains the following chemical(s) listed by the
State of California under the Safe Drinking Water
and Toxic Enforcement Act of 1986 (Proposition
65) as being known to cause cancer, birth defects
or other
reproductive harm.
CAS
Number Wt % Component Name
100-41-4
7.0000 - Ethylbenzene Carcinogenic.
13.0000
108-88-3 <1.0000 Toluene Developmental toxin.
71-43-2 <0.0100 Benzene
Developmental toxin.
Male reproductive toxin.
New Jersey
CAS Number Wt %
Component Name
1330-20-7 30.0 - 50.0
Xylene
68988-56-7 30.0 - 50.0
Trimethylated silica
68083-19-2 15.0 -
35.0 Dimethyl siloxane, dimethylvinyl-terminated
100-41-4 7.0 - 13.0 Ethylbenzene
3555-47-3 1.0 - 5.0 Tetra(trimethylsiloxy)
silane
DOW CORNING
CORPORATION
Material Safety Data Sheet
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Version: 3.1
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DOW CORNING(R) 7657 ADHESIVE
Pennsylvania
CAS Number
1330-20-7
Component Name
Xylene
68988-56-7 30.0 - 50.0 Trimethylated
silica
68083-19-2 15.0 - 35.0 Dimethyl
siloxane, dimethylvinyl-terminated
100-41-4 7.0 - 13.0 Ethylbenzene
71-43-2 <0.1 Benzene
Wt %
30.0 - 50.0
16. OTHER INFORMATION
Prepared by: Dow Corning Corporation
These data are offered in good faith as
typical values and not as product specifications.
No warranty, either expressed or
implied, is
hereby 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.
(R) indicates Registered Trademark