MSDS NO: EU-06-05300757 1/6
PRODUCT NAME: KR-251
MATERIAL SAFETY DATA SHEET
SECTION 1. COMPANY IDENTIFICATION
COMPANY IDENTIFICATION
MANUFACTURER'S NAME: Shin-Etsu Chemical Co., Ltd.
ADDRESS: 6-1, 2-Chome, Ohtemachi, Chiyodaku, Tokyo, JAPAN
EMERGENCY TELEPHONE NUMBER:
330-630-9860(Shin-Etsu Silicones of America, Inc.)
800-424-9300(CHEMTREC)(24hrs)(Washington, D.C. USA)
036-5326380(Shin-Etsu Silicones Europe B.V., THE NETHERLANDS)
743-7277(Shin-Etsu Singapore Pte., Ltd.)
02-775-9691(Shin-Etsu Silicone Korea Co., Ltd.)
02-2751-6999(Shin-Etsu Silicone Taiwan Co., Ltd.)
TELEPHONE NUMBER FOR INFORMATION:
03-3246-5121(Tokyo, JAPAN)
330-630-9860(Shin-Etsu Silicones of America, Inc.)
036-5326380(Shin-Etsu Silicones Europe B.V., THE NETHERLANDS)
743-7277(Shin-Etsu Singapore Pte., Ltd.)
02-775-9691(Shin-Etsu Silicone Korea Co., Ltd.)
02-2751-6999(Shin-Etsu Silicone Taiwan Co., Ltd.)
DATA PREPARED : 04/07/1994
LAST REVISION : 11/26/1996
DATA ISSUED : 01/08/2004
ISSUE NO 200401000304
BASE NO 3
PRODUCT NAME :
KR-251
PRODUCT CLASSIFICATION:
Silicone Varnish
SECTION 2. COMPOSITION
SINGLE OR MIXTURE:
Mixture
CHEMICAL IDENTIFICATION:
Organopolysiloxane solution
HAZARDOUS COMPONENT(S)/(CAS No.):
Toluene/(108-88-3)[Flammable Liquid] : ca.75 %
Isobutanol/(78-83-1)[Flammable Liquid] : ca.5 %
(See Section 8 of this MSDS for Exposure Guideline)
SECTION 3. HAZARDS IDENTIFICATION
HAZARDS CLASSIFICATION:
MSDS NO: EU-06-05300757 2/6
PRODUCT NAME: KR-251
Flammable Liquids (based on IMO)
FIRE AND EXPLOSION:
Highly flammable and explosive hazard
POTENTIAL HEALTH EFFECT:
INHALATION ; May cause dizziness, headache, nausea and
mental confusion.
SKIN cantact ; May cause skin irritation. Prolonged skin
contact may cause dermatitis. Absorbed
through skin(Solvent).
EYES contact ; Causes eyes irritation.
INGESTION ; Harmful
SECTION 4. FIRST AID MEASURES
INHALATION ; Remove to fresh air. If not breathing or
difficult, give artificial respiration or
oxygen. Call a physician.
SKIN contact ; Remove product from skin with dry cloth or
towel, and wash exposed area with detergent.
EYES contact ; Immediately flush with plenty of water for at
least 15 minutes and promptly call a
physician.
INGESTION ; Wash out mouth with water provided person is
conscious. Never give anything by mouth to an
unconscious person. Call a physician
immediately.
SECTION 5. FIRE FIGHTING MEASURES
FLASH POINT(method used):
5 degrees C (Closed cup)
FLAMMABLE LIMITS:
[Toluene] LOWER: 1.4% UPPER: 6.7%
EXTINGUISHING MEDIA:
Foam, dry chemical or carbon dioxide
SPECIAL FIRE FIGHTING PROCEDURE:
Use supplied breathing air and protective clothing.
Flammable, owing to the solvent.
UNUSUAL FIRE AND EXPLOSION HAZARD:
Solvent vapors form explosive mixtures with air.
Vapors may travel considerable distance to source of
ignition and flash back.
SECTION 6. ACCIDENTAL RELEASE MEASURES
STEP TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED:
Shut off all ignition sources.
MSDS NO: EU-06-05300757 3/6
PRODUCT NAME: KR-251
Wear appropriate protective equipment.
Contain the spill or leak.
Collect on absorbent material.
SECTION 7. HANDLING AND STORAGE
PRECAUTION TO BE TAKEN IN HANDLING AND STORING:
Keep container closed when not in use.
Store in a cool place.
Keep away from heat, sparks and flame.
Do not lay the container on its side.
Use only with adequate ventilation.
Do not inhale vapors.
Avoid contact with eyes, skin and clothing.
Static electricity may accumulate and cause a fire hazard.
Keep out of reach of children.
* * * * * Information about the emptied container * * * * *
Do not re-use this container.
This container will be very hazardous when emptied.
Residues will be explosive or flammable.
Keep away from heat, sparks and flame.
Do not puncture or cut this container, and do not weld on or
near this container.
SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
EXPOSURE GUIDELINES:
ACGIH TLV-TWA : 50ppm(SKIN),
OSHA PEL : 8H TWA 200ppm ; CL 300ppm ; PK 500ppm/10M
[Toluene]
ACGIH TLV-TWA : 50ppm,
OSHA PEL : 8H TWA 100ppm [Isobutanol]
RESPIRATORY PROTECTION(specify type):
Approved respirator
VENTILATION:
LOCAL EXHAUST: Required
MECHANICAL(general): Adequate ventilation system
SPECIAL: Unknown
OTHER: Unknown
PROTECTIVE GLOVES:
Plastic film or rubber gloves
EYE PROTECTION:
Protective goggles or glasses
OTHER PROTECTIVE CLOTHING OR EQUIPMENT:
Safety shower and eyewash equipment
WORK/HYGIENIC PRACTICES:
Keep away from heat, sparks and flame.
MSDS NO: EU-06-05300757 4/6
PRODUCT NAME: KR-251
Avoid breathing vapor.
Avoid contact with eyes, skin and clothing.
Wash hands and eyes, and gargle after handling.
SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES
BOILING POINT:
108 degrees C [Isobutanol]
VAPOR PRESSURE:
9mmHg (20 degrees C) [Isobutanol]
VAPOR DENSITY(air=1):
3.1 [Toluene]
SPECIFIC GRAVITY:
0.92 (25 degrees C)
MELTING POINT:
Not applicable
EVAPORATION RATE:
>1 (Butyl Acetate=1) [Isobutanol]
SOLUBILITY IN WATER:
Not soluble
APPEARANCE(color):
Colorless, transparent
APPEARANCE(form):
Liquid
ODOR:
Solvent odor
SECTION 10. STABILITY AND REACTIVITY
STABILITY:
Stable
CONDITION TO AVOID:
None
INCOMPATIBILITY(material to avoid):
None
HAZARDOUS DECOMPOSITION OR BY-PRODUCT:
None
HAZARDOUS POLYMERIZATION:
Will not occur
CONDITION TO AVOID:
None
SECTION 11. TOXICOLOGICAL INFORMATION
SKIN IRRITATION:
SKIN-RABBIT : 20mg/24Hr MODERATE [Toluene]
SKIN-RABBIT : 20mg/24Hr MODERATE [Isobutanol]
MSDS NO: EU-06-05300757 5/6
PRODUCT NAME: KR-251
EYE IRRITATION:
EYE-RABBIT : 2mg/24Hr SEVERE [Toluene]
EYE-RABBIT : 2mg/24Hr SEVERE [Isobutanol]
ACUTE TOXICITY(LD50):
LD50(Oral/Rat) : 636mg/kg [Toluene]
LD50(Oral/Rat) : 2.46g/kg [Isobutanol]
ACUTE TOXICITY(LC50):
LC50(Inhalation/Mouse) : 400ppm/24Hr [Toluene]
CHRONIC TOXICITY:
May cause nervous system disturbances [Toluene].
CARCINOGENICITY:
NTP:Not listed, IARC:Not listed, OSHA REGULATED:Not listed
OTHER INFORMATION:
None
SECTION 12. ECOLOGICAL INFORMATION
BIODEGRADATION:
No information is available.
BIOACCUMULATION:
No information is available.
AQUATIC TOXICITY:
No information is available.
OTHER INFORMATION:
None
SECTION 13. DISPOSAL CONSIDERATIONS
Can be burned in chemical incinerator equipped with
afterburner and scrubber but exert extra care in igniting
as this product is very flammable.
Do not dispose of the emptied container unless the contents
have been completely removed and container has been flushed
with a clean neutral solvent and then dried up.
Do not dispose the emptied container unlawfully.
Observe all federal, state, and local laws.
SECTION 14. TRANSPORT INFORMATION
UN No.:
UN 1866
IMO CLASSIFICATION AND CLASS:
Flammable Liquids / Class 3.2
PACKAGING GROUP:
II
PROPER SHIPPING NAME:
Resin Solution
MSDS NO: EU-06-05300757 6/6
PRODUCT NAME: KR-251
TECHNICAL SHIPPING NAME:
Contains Toluene
MARINE POLLUTANT:
None
DOT REPORTABLE QUANTITY(RQ) :
HAZARD SUBSTANCE(S) NAME / (CAS No.), CONTENTS AND RQ
Toluene/(108-88-3), ca.75 % : 1000 lbs(454kg)
Isobutanol/(78-83-1), ca.5 % : 5000 lbs(2270kg)
SECTION 15. REGULATORY INFORMATION
TOXIC SUBSTANCES CONTROL ACT(TSCA) STATUS:
Listed on the TSCA Inventory.
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SUPERFUND AMENDMENTS AND REAUTHORIZAITION ACT OF 1986(SARA)
TITLE III SECTION 313 SUPPLIER NOTIFICATION:
This regulation requires submission of annual reports of toxic
chemical(s) that appear in section 313 of the emergency planning
and community Right-To-Know Act of 1986 and 40 CFR 372.
This information must be included in all MSDS's that are copied
and distributed for the material.
The toxic chemical(s) contained in this product are:
CHEMICAL NAME/(CAS No.) AND CONTENTS
Toluene/(108-88-3) : ca.75 %
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CALIFORNIA PROPOSITION 65:
This regulation requires a warning for California Proposition 65 Chemical(s)
under the statute.
The California Proposition 65 Chemical(s) contained in this product are:
CHEMICAL NAME/(CAS No.) AND CONTENTS
Toluene/(108-88-3) : ca.75 %
SECTION 16. OTHER INFORMATION
For Industrial Use Only
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This materials safety data sheet is offered solely for your
information, consideration and investigation.
The data described in this MSDS consist of data on literature,
our acquisitional data and analogical inference by data of
similar chemical substance or product.
Shin-Etsu Chemical Co., Ltd. provides no warranties, either
express or implied, and assumes no responsibility for the
accuracy or completeness of the data contained herein.
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