Product ID:3972 SUPER SEM FLEX
MSDS Date:04/06/1989
FSC:6850
NIIN:00F013085
MSDS Number: BJHBY

SEM PRODUCTS, INC

120 SEM LANE
BELMONT, CA 94002

Emergency Phone: (415) 592-5752

Info Phone: (415) 592-5752

Preparer: DM

Cage: FO641

SEM PRODUCTS, INC

BELMONT, CA 94002

Telephone: (415) 592-5752

Cage: FO641

3.50

RTECS: 9999999VO

METHYL ETHYL KETONE (2-BUTANONE) (MEK) (SARA III)

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 9%

OSHA PEL 200 PPM/300 STEL

ACGIH TLV: 200 PPM/300STEL 9192

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

TOLUENE (SARA III)

CAS: 108-88-3

RTECS: XS5250000

Fraction By Weight: 28.64%

OSHA PEL 200 PPM/150 STEL

ACGIH TLV: 50 PPM; 9293

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

1-METHOXY-2-PROPANOL ACETATE

CAS: 108-65-6

RTECS: AI8925000

Fraction By Weight: 5%

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:YES
Health Hazards Acute and Chronic:INHALATION: NASAL/RESPIRATORY
IRRITATION, DIZZINESS, HEADACHE, NAUSEA, POSSIBLE UNCONSCIOUSNESS,
& ASPHYXIATION. SKIN/EYE: MODERATE IRRITATION, REDNESS, BLURRED
VISION, DERMATITIS. INGESTION: GASTROIN TESTINAL IRRITATION,
VOMITING, DIARRHEA, CNS DISORDERS, INTOXICATION CAUSING SLIGHT
EUPHORIA.
Explanation of Carcinogenicity:METHYLENE CHLORIDE IS CONSIDERED TO BE
AN A2 CARCINOGEN.
Effects of Overexposure:INHALATION: REPEATED/PROLONGED OVER-EXPOSURE TO
SOLVENTS CAUSES PERMANENT BRAIN/NERVOUS SYSTEM DAMAGE. INTENTIONAL
MISUSE BY DELIBERATELY CONCENTRATING & INHALING THE CONTENTS MAY BE
HARMFUL OR FATAL.
Medical Cond Aggravated by Exposure:DERMATITIS

First Aid:EYES: FLUSH W/LARGE AMOUNTS OF WATER. GET MED ATTN. SKIN:
THOROUGHLY WASH EXPOSED AREA W/SOAP & WATER. INHALATION: REMOVE TO
FRESH AIR, GIVE ARTIFICIAL RESPIRATION IF NECESSARY. INGESTION:
KEEP PERSON WARM & QUIET. SEEK MEDICAL ADVICE REGARDING INDUCTION
OF VOMITING.

Flash Point Method:TOC
Flash Point:23F
Lower Limits:1.2%
Upper Limits:11.5%
Extinguishing Media:FOAM, ALCOHOL FOAM, CO2, DRY CHEMICAL
Fire Fighting Procedures:WATER SPRAY MAY BE INEFFECTIVE/USED TO COOL
CONTAINERS EXPOSED TO HEAT. WEAR SELF-CONTAINED BREATHING
APPARATUS.
Unusual Fire/Explosion Hazard:VAPORS MAY IGNITED EXPLOSIVELY. EXPOSURE
TO HEAT OR PROLONGED EXPOSURE TO SUN MAY CAUSE BURSTING. DON'T
EXPOSE TO HEAT OR STORE AT TEMP >120F MAY BE BURSTING.

Spill Release Procedures:REMOVE ALL SOURCES OF IGNITION. ALLOW VOLATILE
PORTION TO EVAPORATE COMPLETELY. AVOID BREATHING VAPORS/REMOVE WITH
INERT ABSORBENT.

Handling and Storage Precautions:DON'T STORE OR USE NEAR HEAT, SPARKS
OR FLAME. STORE IN WELL VENTILATED AREA. KEEP CLOSURE
TIGHT/CONTAINER UPRIGHT TO PREVENT LEAKAGE.
Other Precautions:DON'T PUNCTURE OR INCINERATE. DON'T SPRAY NEAR FIRE
OR OPEN FLAMES. AVOID SPONTANEOUS COMBUSTION OF CONTAMINATED RAGS
OR OTHER IGNITABLE MATERIAL BY IMMEDIATE IMMERSION IN WATER. KEEP
OUT OF THE REACH OF CHILDREN.

Respiratory Protection:USE OF A NIOSH APPROVED CHEMICAL/MECHANICAL
FILTER, DESIGNED TO REMOVE A COMBINATION OF PARTICLES & VAPOR.
Ventilation:PROVIDE SUFFICIENT MECHANICAL/LOCAL EXHAUST VENTILATION TO
KEEP Protective Gloves:NEOPRENE OR BUTYL RUBBER
Eye Protection:GOGGLES, SIDE-SHIELD SAFETY GLASSES
Other Protective Equipment:IMPERVIOUS CLOTHING/BOOTS. WASH CONTAMINATED
CLOTHING BEFORE RE-USE.
Work Hygienic Practices:WASH HANDS BEFORE EATING, SMOKING OR USING THE
WASHROOM.
Supplemental Safety and Health
WARNING: DETECTABLE AMOUNTS OF A CHEMICAL KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE CANCER/BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM
MAY BE PRESENT IN THIS PRODUCT.

Boiling Pt:B.P. Text:175-284F
Vapor Density:>AIR
Spec Gravity:1.0
Evaporation Rate & Reference:SLOWER THAN ETHER
Appearance and Odor:CLEAR LIQUID - STRONG SOLVENT

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS
Stability Condition to Avoid:HEAT, OPEN FLAMES, SPARK, SOURCES OF
IGNITION. DON'T STORE >120F.
Hazardous Decomposition Products:CO2, CO, VARIOUS HYDROCARBONS, OXIDES
OF NITROGEN

Waste Disposal Methods:DON'T INCINERATE. DISPOSE OF IN ACCORDANCE
W/LOCAL, STATE & FEDERAL REGULATION. DON'T CONTAMINATE LAKES
STREAMS OR OTHER WATER SUPPLY.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.