===================== Product Identification =====================
MSDS NAME:METHYL ETHYL KETONE
NIIN:00-264-8983
Status Code:A
MSDS Number: CJDPM
=== Responsible Party ===
Company:DEL AMO CHEMICAL CO INC
Address:535 W 152ND ST
City:GARDENA
State:CA
ZIP:90248-1610
Country:US
Emergency Phone Num:310-532-9214
Resp. Party Other MSDS Num.:SHEET NO. 303
CAGE:4S284
=== Contractor Identification ===
Company:DEL AMO CHEMICAL CO INC
Address:535 W 152ND ST
Box:City:GARDENA
State:CA
ZIP:90248-1610
Country:US
Phone:213-532-9214
CAGE:4S284
============= Composition/Information on Ingredients =============
Name:METHYL ETHYL KETONE
CAS:78-93-3
RTECS #:EL6475000
= Wt:100.
OSHA PEL:590 MG/M3;200 PPM
ACGIH TLV:590 MG/M3;200 PPM
ACGIH STEL:885 MG/M3;300 PPM
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS
===================== Hazards Identification =====================
LD50 LC50 Mixture:2737 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:MEK VAPORS ARE IRRITATING TO THE EYES
AND RESPIRATORY TRACT. INHALATION CAUSES VARYING DEGREES OF CENTRAL
NERVOUS SYSTEM DISORDERS. PROLONGED CONTACT MAY CAUSE DERMATITIS.
BECAUSE OF ITS LOW ORDER OF THRESHOLD, MEK'S IRRITATING PROPERTIES
SHOULD BE SUFFICIENT TO PREVENT OVEREXPOSURE, MEK APPEARS TO
POTENTIATE THE NEUROTOXIC EFFECTS OF SOME CHEMICALS.
Effects of Overexposure:INHALATION MAY CAUSE HEADACHE, NAUSEA,
VOMITING, WEAKNESS AND UNCONSCIOUSNESS. HIGHER CONCENTRATIONS CAN
CAUSE SMARTING IN ADDITION TO IRRITATION OF THE EYES AND
RESPIRATORY TRACT. REPEATED SKIN CONTA CT CAN CAUSE DEFATTING AND
DERMATITIS, APPARENTLY WITHOUT IRRITATION.
Medical Cond Aggravated by Exposure:DERMATITIS
======================= First Aid Measures =======================
First Aid:EYES-DO NOT ALLOW VICTIM TO RUB OR KEEP EYES TIGHTLY SHUT.
GENTLY LIFT EYELIDS AND FLUSH IMMEDIATELY AND CONTINOUSLY FLOODING
AMOUNTS OF WATER UNTIL TRANSPORTED TO AN EMERGENCY MEDICAL
FACILITY. CONSU LT A PHYSICIAN IMMEDIATELY. SKIN-QUICKLY REMOVE
CONTAMINATED CLOTHING. RINSE WITH FLOODING AMOUNTS OF WATER FOR 15
MIN. WASH AREA WITH SOAP AND WATER. INHALATION-REMOVE EXPOSED
PERSON TO FRESH AIR, AD MINISTER 100% HUMIFIED SUPPLEMENTAL OXYGEN
& SUPPORT BREATHING AS NEEDED. INGESTION-CONTACT A POISON CONTROL
CENTER. UNLESS OTHERWISE ADVISED, HAVE THE CONSCIOUS & ALERT
PERSON DRINK 1-2 GLASSES OF W ATER TO DILUTE. DO NOT INDUCE
VOMITING.
===================== Fire Fighting Measures =====================
Flash Point:=-8.9C, 16.F
Autoignition Temp:=403.9C, 759.F
Lower Limits:1.4
Upper Limits:11.4
Extinguishing Media:A CLASS 1B FLAMMABLE LIQUID. FOR SMALL FIRES, USE
DRY CHEMICAL, CARBON DIOXIDE, WATER SPRAY, OR ALCOHOL-RESISTANT
FOAM. FOR LARGE FIRES, USE WATER SPRAY, FOG, ALCOHOL RESISTANT
FOAM.
Fire Fighting Procedures:BECAUSE THE FIRE MAY PRODUCE TOXIC THERMAL
DECOMPOSITION PRODUCTS, WEAR A SELF CONTAINED BREATHING APPARATUS
WITH A FULL FACEPIECE OPERATED IN PRESSURE-DEMAND OR
POSITIVE-PRESSURE MODE. STRUCTURAL FIR EFIGHTERS' PROTECTIVE
CLOTHING PROVIDES ONLY LIMITED PROTECTION. IF POSSIBLE WITHOUT,
MOVE CONTAINER FROM FIRE AREA.
Unusual Fire/Explosion Hazard:VAPORS MAY TRAVEL TO IGNITION SOURCES
ANDD FLASH BACK. CONTAINERS MAY EXPLODE IN FIRE. BURNING RATE=4.1
MM/MIN.
================== Accidental Release Measures ==================
Spill Release Procedures:NOTIFY SAFETY PERSONNEL, ISOLATE AND VENTILATE
AREA, DENY ENTRY, AND STAY UPWIND. SHUT OFF IGNITION SOURCES.
CLEANUP PERSONNEL SHOULD PROTECT AGAINST EXPOSURE. TAKE UP SMALL
SPILLS WITH EARTH, SAND, V ERMICULITE OR OTHER ABSORBENT,
NONCOMBUSTIBLE MATERIAL AND PLACE IN A SUITABLE CONTAINER. DIKE FAR
AHEAD OF LARGE SPILL FOR RECLAMATION OR DISPOSAL.
====================== Handling and Storage ======================
Handling and Storage Precautions:PREVENT PHYSICAL DAMAGE TO CONTAINERS.
STORE IN A COOL, DRY, WELL VENTILATED AREA AWAY FROM HEAT,
INCOMPATIBLES. PERIODICALLY CHECK CONTAINERS FOR LEAKS.
Other Precautions:TO REDUCE POTENTIAL HEALTH HAZARDS, USE SUFFICIENT
DILUTION OR LOCAL EXHAUST VENTILATION TO CONTROL AIRBORNE
CONTAMINANTS AND TO MAINTAIN CONCENTRATIONS AT THE LOWEST PRACTICAL
LEVEL. TO PREVENT STAT IC SPARKS, ELECTRICALLY GROUND AND BOND ALL
EQUIPMENT USED WITH MEK.
============= Exposure Controls/Personal Protection =============
Respiratory Protection:SEEK PROFESSIONAL ADVICE PRIOR TO RESPIRATOR
SELECTION AND USE. FOLLOW OSHA RESPIRATOR SELECTION AND IF
NECESSARY WEAR A NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:PROVIDE GENERAL AND LOCAL EXHAUST VENTILATION SYSTEMS TO
MAINTAIN AIRBORNE CONCENTRATIONS BELOW OSHA PEL.
Protective Gloves:WEAR CHEMICALL PROTECTIVE GLOVES.
Eye Protection:WEAR PROTECTIVE EYEGLASSES OR CHEMICAL SAFETY GLASSES.
Other Protective Equipment:WEAR CHEMICALLY PROTECTIVE BOOTS, APRONS AND
GAUNTLETS TO PREVENT SKIN CONTACT. BUTYL RUBBER AND TEFLON WITH
BREAKTHROUGH TIMES (BT)OF>8 HR AND POLETHYLENE VINYL ALCOHOL WITH A
BT OF>4HRS ARE SUITABLE.
Work Hygienic Practices:SEPERATED CONTAMINATED WORK AND STREET CLOTHES
AND LAUNDER BEFORE RESUE. REMOVE MEK FROM YOUR SHOES AND CLEAN PPE.
Supplemental Safety and Health
NEVER EAT, DRINK OR SMOKE IN WORK AREAS. PRACTICE GOOD PERSONAL HYGIENE
AFTER USING MEK.
================== Physical/Chemical Properties ==================
HCC:F2
Boiling Pt:=80.C, 176.F
Melt/Freeze Pt:=-85.9C, -122.5F
Vapor Pres:71.2 MM HG
Vapor Density:.085 LB/F3
Viscosity:0.4 CP
Solubility in Water:MEK IN WATER=28%
Appearance and Odor:COLORLESS, VOLATILE, LIQUID WITH A SWEET MINT OR
ACETONE-LIKE ODOR.
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
CHLOROSULFONIC ACID, OLEUM, POSTASSIUM-T-BUTOXIDE, AMINES, AMMONIA,
INORGANIC ACIDS, CAUSTICS, STRONG OXIDZERS.
Stability Condition to Avoid:EXPOSURE TO HEAT, IGNITION SOURCES AND
INCOMPATIBLES.
Hazardous Decomposition Products:CARBON DIOXIDE GAS AND ACRID SMOKE.
=================== Toxicological Information ===================
Toxicological Information:RABBIT, SKIN: 500 MG/24HR CAUSED SEVER
IRRITATION. 1990 IDLH LEVEL=3000 PPM.
==================== Disposal Considerations ====================
Waste Disposal Methods:INCINEARTION IS POSSIBLE IN PERMIT-APPROVED
FACILITIES. STEAM STRIPPING CAN BE USED TO REMOVE MEK FROM AQUEOUS
WASTE. CONCENTRATIONS UP TO SEVERAL WT% SOLVENT IN WATER CAN BE
HANDLED WITH BETTER THAN 99% REMOVAL EXPECTED. CONTACT YOUR
SUPPLIER OR A LICENSED CONTRACTOR FOR DETAILED RECOMMENDATIONS.
=================== MSDS Transport Information ===================
Transport Information:METHYL ETHYL KETONE, HAZARD CLASS 3, UN 1193, PG
II, FLAMMABLE LIQUID, SPECIAL PROVISION, T8.
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.
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