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METHYL ETHYL KETONE ---MSDS

                                        Date：2015-01-04

1. Product Identification

Synonyms: 2-Butanone; ethyl methyl ketone; MEK; Methyl acetone 

CAS No.: 78-93-3 

Molecular Weight: 72.11 

Chemical Formula: CH3COCH2CH3  

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2. Composition/Information on Ingredients

  Ingredient                    CAS No         Percent          Hazardous                                  

  ---------------------------------------    ------------       ------------    

  Methyl Ethyl Ketone           78-93-3          99 - 100%       Yes                                                                    

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3. Hazards Identification

Emergency Overview 

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DANGER! EXTREMELY FLAMMABLE LIQUID AND VAPOR. VAPOR MAY CAUSE FLASH FIRE. HARMFUL OR FATAL IF SWALLOWED. HARMFUL IF INHALED OR ABSORBED THROUGH SKIN. AFFECTS CENTRAL NERVOUS SYSTEM. CAUSES IRRITATION TO SKIN, EYES AND RESPIRATORY TRACT. 

Potential Health Effects 

Inhalation: 

Causes irritation to the nose and throat. Concentrations above the TLV may cause headache, dizziness, nausea, shortness of breath, and vomiting. Higher concentrations may cause central nervous system depression and unconsciousness. 

Ingestion: 

May produce abdominal pain, nausea. Aspiration into lungs can produce severe lung damage and is a medical emergency. Other symptoms expected to parallel inhalation. 

Skin Contact: 

Causes irritation to skin. Symptoms include redness, itching, and pain. May be absorbed through the skin with possible systemic effects. 

Eye Contact: 

Vapors are irritating to the eyes. Splashes can produce painful irritation and eye damage. 

Chronic Exposure: 

Prolonged skin contact may defat the skin and produce dermatitis. Chronic exposure may cause central nervous system effects. 

Aggravation of Pre-existing Conditions: 

Persons with pre-existing skin disorders or eye problems or impaired respiratory function may be more susceptible to the effects of the substance. 

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4. First Aid Measures

Inhalation: 

Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention. 

Ingestion: 

Aspiration hazard. If swallowed, vomiting may occur spontaneously, but DO NOT INDUCE. If vomiting occurs, keep head below hips to prevent aspiration into lungs. Never give anything by mouth to an unconscious person. Call a physician immediately. 

Skin Contact: 

Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse. 

Eye Contact: 

Immediately flush eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids occasionally. Get medical attention. 

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5. Fire Fighting Measures

Fire: 

Flash point: -6C (16F) CC

Autoignition temperature: 404C (759F)

Flammable limits in air % by volume: 

lel: 1.4; uel: 11.4

Extremely Flammable. 

Explosion: 

Above flash point, vapor-air mixtures are explosive within flammable limits noted above. Vapors can flow along surfaces to distant ignition source and flash back. Contact with strong oxidizers may cause fire. Sealed containers may rupture when heated. Sensitive to static discharge. 

Fire Extinguishing Media: 

Dry chemical, foam or carbon dioxide. Water spray may be used to keep fire exposed containers cool, dilute spills to nonflammable mixtures, protect personnel attempting to stop leak and disperse vapors. 

Special Information: 

In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode. This highly flammable liquid must be kept from sparks, open flame, hot surfaces, and all sources of heat and ignition. 

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6. Accidental Release Measures

Ventilate area of leak or spill. Remove all sources of ignition. Wear appropriate personal protective equipment as specified in Section 8. Isolate hazard area. Keep unnecessary and unprotected personnel from entering. Contain and recover liquid when possible. Use non-sparking tools and equipment. Collect liquid in an appropriate container or absorb with an inert material (e. g., vermiculite, dry sand, earth), and place in a chemical waste container. Do not use combustible materials, such as saw dust. Do not flush to sewer! If a leak or spill has not ignited, use water spray to disperse the vapors, to protect personnel attempting to stop leak, and to flush spills away from exposures. 

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7. Handling and Storage

Protect against physical damage. Store in a cool, dry well-ventilated location, away from any area where the fire hazard may be acute. Outside or detached storage is preferred. Separate from incompatibles. Containers should be bonded and grounded for transfers to avoid static sparks. Storage and use areas should be No Smoking areas. Use non-sparking type tools and equipment, including explosion proof ventilation. Containers of this material may be hazardous when empty since they retain product residues (vapors, liquid); observe all warnings and precautions listed for the product. 

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8. Exposure Controls/Personal Protection

Airborne Exposure Limits: 

-OSHA Permissible Exposure Limit (PEL):

200 ppm (TWA)

-ACGIH Threshold Limit Value (TLV):

200 ppm (TWA), 300 ppm (STEL) 

Ventilation System: 

A system of local and/or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details. Use explosion-proof equipment. 

Personal Respirators (NIOSH Approved): 

If the exposure limit is exceeded and engineering controls are not feasible, a full facepiece respirator with organic vapor cartridge may be worn up to 50 times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. For emergencies or instances where the exposure levels are not known, use a full-facepiece positive-pressure, air-supplied respirator. WARNING: Air purifying respirators do not protect workers in oxygen-deficient atmospheres. 

Skin Protection: 

Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact. Butyl rubber is a suitable material for personal protective equipment. 

Eye Protection: 

Use chemical safety goggles and/or a full face shield where splashing is possible. Maintain eye wash fountain and quick-drench facilities in work area. 

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9. Physical and Chemical Properties

Appearance: 

Clear, colorless liquid. 

Color: 

4 Hazen (Pt-Co) max.

Odor: 

Sharp mint-like odor. 

Solubility: 

29 g in 100 g of water. 

Specific Gravity: 

0.81 @ 20C/4C 

pH: 

No information found. 

% Volatiles by volume @ 21C (70F): 

100 

Boiling Point: 

80C (176F) 

Distillation range:

78.5C Min.(173.3F)

Melting Point: 

-86C (-123F) 

Vapor Density (Air=1): 

2.5 

Vapor Pressure (mm Hg): 

78 @ 20C (68F) 

Evaporation Rate (BuAc=1): 

2.7 (Ether = 1) 

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10. Stability and Reactivity

Stability: 

Stable under ordinary conditions of use and storage. 

Hazardous Decomposition Products: 

Carbon dioxide and carbon monoxide may form when heated to decomposition. 

Hazardous Polymerization: 

Will not occur. 

Incompatibilities: 

Oxidizing materials, caustics, amines, ammonia, strong bases, chloroform, chlorosulfonic acid, oleum, potassium-t-butoxide, heat or flame, hydrogen peroxide, nitric acid. Can attack many plastics, resins and rubber. 

Conditions to Avoid: 

Heat, flames, ignition sources and incompatibles. 

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11. Toxicological Information

Toxicological Data: 

Oral rat LD50: 2737 mg/kg; inhalation rat LC50: 23,500 mg/m3/8-hr; skin rabbit LD50: 6480 mg/kg; investigated as a mutagen, reproductive effector. 

Reproductive Toxicity: 

Has shown teratogenic effects in laboratory animals. 

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12. Ecological Information

Environmental Fate: 

When released into the soil, this material may leach into groundwater. When released into the soil, this material may evaporate to a moderate extent. When released into water, this material may biodegrade to a moderate extent. When released into water, this material may evaporate to a moderate extent. When released into water, this material is expected to have a half-life between 10 and 30 days. This material is not expected to significantly bioaccumulate. When released into the air, this material is expected to be readily degraded by reaction with photochemically produced hydroxyl radicals. When released into the air, this material is expected to have a half-life between 1 and 10 days. 

Environmental Toxicity: 

This material is not expected to be toxic to aquatic life. The LC50/96-hour values for fish are over 100 mg/l. 

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13. Disposal Considerations

Whatever cannot be saved for recovery or recycling should be handled as hazardous waste and sent to a RCRA approved incinerator or disposed in a RCRA approved waste facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state and local requirements. 

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14. Transport Information

Proper Shipping Name: ETHYL METHYL KETONE 

Hazard Class: 3 

UN/NA: UN1193 

Packing Group: II 

International (Water, I.M.O.) 

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Proper Shipping Name: ETHYL METHYL KETONE 

Hazard Class: 3 

UN/NA: UN1193 

Packing Group: II 

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15. Regulatory Information

  --------\Chemical Inventory Status - Part 2\---------------------------------

                                                          --Canada--

  Ingredient                                       Korea  DSL   NDSL  Phil.

  -----------------------------------------------  -----  ---   ----  -----

  Methyl Ethyl Ketone (78-93-3)                     Yes   Yes   No     Yes          

  --------\Federal, State & International Regulations - Part 1\----------------

                                             -SARA 302-    ------SARA 313------

  Ingredient                                 RQ    TPQ     List  Chemical Catg.

  -----------------------------------------  ---   -----   ----  --------------

  Methyl Ethyl Ketone (78-93-3)              No    No      Yes        No

  --------\Federal, State & International Regulations - Part 2\----------------

                                                        -RCRA-    -TSCA-

  Ingredient                                 CERCLA     261.33     8(d) 

  -----------------------------------------  ------     ------    ------

  Methyl Ethyl Ketone (78-93-3)              5000       U159       No        

Chemical Weapons Convention:  No     TSCA 12(b):  No     CDTA:  Yes

SARA 311/312:  Acute: Yes      Chronic: Yes  Fire: Yes Pressure: No

Reactivity: No          (Pure / Liquid)

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16. Other Information

NFPA Ratings: Health: 3 Flammability: 3 Reactivity: 0 

Label Hazard Warning: 

DANGER! EXTREMELY FLAMMABLE LIQUID AND VAPOR. VAPOR MAY CAUSE FLASH FIRE. HARMFUL OR FATAL IF SWALLOWED. HARMFUL IF INHALED OR ABSORBED THROUGH SKIN. AFFECTS CENTRAL NERVOUS SYSTEM. CAUSES IRRITATION TO SKIN, EYES AND RESPIRATORY TRACT. 

Label Precautions: 

Keep away from heat, sparks and flame.

Keep container closed.

Use only with adequate ventilation.

Wash thoroughly after handling.

Avoid breathing vapor.

Avoid contact with eyes, skin and clothing. 

Label First Aid: 

Aspiration hazard. If swallowed, vomiting may occur spontaneously, but DO NOT INDUCE. If vomiting occurs, keep head below hips to prevent aspiration into lungs. Never give anything by mouth to an unconscious person. In case of contact, immediately flush eyes or skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. In all cases, get medical attention. 

Product Use: 

Laboratory Reagent. 

Revision Information: 

MSDS Section(s) changed since last revision of document include: 8. 

Disclaimer: 

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GUANGZHOU ECHO CHEMICALS CO., LIMITED provides the information contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. GUANGZHOU ECHO CHEMICALS CO., LIMITED MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, GUANGZHOU ECHO CHEMICALS CO., LIMITED WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION. 

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