Material Safety Data Sheet
2-Butanone

ACC# 95495
Section 1 - Chemical Product and Company Identification
MSDS Name: 2-Butanone
Catalog Numbers: AC149670000, AC149670010, AC149670025, AC149670051, AC149670250, AC213010000 AC213010000, AC213015000, AC327910000, AC327910010, AC389430000, AC389570000 AC389570000, AC389570010, AC389570025
Synonyms:
Methyl ethyl ketone; MEK
Company Identification:

              Acros Organics N.V.
              One Reagent Lane
              Fair Lawn, NJ 07410
For information in North America, call: 800-ACROS-01
For emergencies in the US, call CHEMTREC: 800-424-9300

Section 2 - Composition, Information on Ingredients

CAS# Chemical Name Percent EINECS/ELINCS
78-93-3 2-Butanone >99% 201-159-0

Section 3 - Hazards Identification

EMERGENCY OVERVIEW

Not available. Appearance: colorless clear liquid. Flash Point: -7 deg C.
Not available.
Target Organs: Central nervous system, liver, respiratory system, eyes, skin.


Potential Health Effects
Eye: Causes eye irritation. May result in corneal injury.
Skin: Causes mild skin irritation. May be absorbed through the skin. Repeated or prolonged exposure may cause drying and cracking of the skin.
Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation: May cause respiratory tract irritation. Inhalation of vapors may cause drowsiness and dizziness.
Chronic: Chronic inhalation may cause effects similar to those of acute inhalation.

Section 4 - First Aid Measures


Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Do NOT allow vi ctim to rub eyes or keep eyes closed.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Get medical aid. Wash mouth out with water.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician: Treat symptomatically and supportively.

Section 5 - Fire Fighting Measures


General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors can travel to a source of ignition and flash back. Will burn if involved in a fire. Flammable liquid and vapor.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Flash Point: -7 deg C ( 19.40 deg F)
Autoignition Temperature: 404 deg C ( 759.20 deg F)
Explosion Limits, Lower:1.8 Vol %
Upper: 11.5 Vol %
NFPA Rating: (estimated) Health: 1; Flammability: 3; Instability: 0

Section 6 - Accidental Release Measures


General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks: Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Avoid runoff into storm sewers and ditches which lead to waterways. Wear a self contained breathing apparatus and appropriate personal protection. (See Exposure Controls, Personal Protection section). Remove all sources of ignition. Use a spark-proof tool. Do not let this chemical enter the environment.

Section 7 - Handling and Storage


Handling: Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Take precautionary measures against static discharges. Avoid ingestion and inhalation.
Storage: Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area.

Section 8 - Exposure Controls, Personal Protection


Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits
Chemical Name ACGIH NIOSH OSHA - Final PELs
2-Butanone 200 ppm TWA; 300 ppm STEL 200 ppm TWA; 590 mg/m3 TWA 3000 ppm IDLH 200 ppm TWA; 590 mg/m3 TWA

OSHA Vacated PELs: 2-Butanone: 200 ppm TWA; 590 mg/m3 TWA
Personal Protective Equipment
Eyes: Wear chemical splash goggles.
Skin: Wear appropriate protective gloves to prevent skin exposure.
Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - Physical and Chemical Properties


Physical State: Clear liquid
Appearance: colorless
Odor: sweetish odor - characteristic odor
pH: Not available.
Vapor Pressure: 105mbar @20 deg C
Vapor Density: 2.5
Evaporation Rate:2.7 (Ether=1)
Viscosity: 0.42 mPa s @15 deg C
Boiling Point: 80 deg C @760mmHg
Freezing/Melting Point:-87 deg C
Decomposition Temperature:Not available.
Solubility: 290 g/l (20C)
Specific Gravity/Density:0.806
Molecular Formula:C4H8O
Molecular Weight:72.11

Section 10 - Stability and Reactivity


Chemical Stability: Stable under normal temperatures and pressures.
Conditions to Avoid: Incompatible materials, ignition sources, excess heat.
Incompatibilities with Other Materials: Ammonia, copper, nitric acid, sulfuric acid, isocyanates, hydrogen peroxide, amines (aliphatic and aromatic, e.g. dimethyl amine, propylamine, pyridine, triethylamine), caustics (e.g. ammonia, ammonium hydroxide, calcium hydroxide, potassium hydroxide, sodium hydroxide), chlorosulfonic acid, oxidizing agents.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.

Section 11 - Toxicological Information


RTECS#:      
CAS# 78-93-3: EL6475000
LD50/LC50:
CAS# 78-93-3:
     Draize test, rabbit, eye: 80 mg;
     Draize test, rabbit, skin: 500 mg/24H Moderate;
     Draize test, rabbit, skin: 402 mg/24H Mild;
     Inhalation, mouse: LC50 = 32 gm/m3/4H;
     Inhalation, rat: LC50 = 23500 mg/m3/8H;
     Oral, mouse: LD50 = 3000 mg/kg;
     Oral, rat: LD50 = 2737 mg/kg;
     Skin, rabbit: LD50 = 6480 mg/kg;
.

Carcinogenicity:
CAS# 78-93-3: Not listed by ACGIH, IARC, NTP, or CA Prop 65.

Epidemiology: No data available.
Teratogenicity: No data available.
Reproductive Effects: No data available.
Mutagenicity: No data available.
Neurotoxicity: No data available.
Other Studies:

Section 12 - Ecological Information


Ecotoxicity: No data available. Log POW: 0.29 (exp.)
Environmental: No information available.
Physical: No information available.
Other: Do not empty into drains.

Section 13 - Disposal Considerations

Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series:
CAS# 78-93-3: waste number U159 (Ignitable waste, Toxic waste).

Section 14 - Transport Information

US DOT Canada TDG
Shipping Name: ETHYL METHYL KETONE ETHYL METHYL KETONE
Hazard Class: 3 3
UN Number: UN1193 UN1193
Packing Group: II II

Section 15 - Regulatory Information

US FEDERAL

TSCA
     CAS# 78-93-3 is listed on the TSCA inventory.
Health & Safety Reporting List
     CAS# 78-93-3: Effective 10/4/82, Sunset 10/4/92
Chemical Test Rules
     None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
     None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
     None of the chemicals in this material have a SNUR under TSCA.
CERCLA Hazardous Substances and corresponding RQs
     CAS# 78-93-3: 5000 lb final RQ; 2270 kg final RQ
SARA Section 302 Extremely Hazardous Substances
     None of the chemicals in this product have a TPQ.
SARA Codes
     CAS # 78-93-3: immediate, delayed, fire.
Section 313      No chemicals are reportable under Section 313.
Clean Air Act:
     This material does not contain any hazardous air pollutants.
     This material does not contain any Class 1 Ozone depletors.
     This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
     None of the chemicals in this product are listed as Hazardous Substances under the CWA.
     None of the chemicals in this product are listed as Priority Pollutants under the CWA.
     None of the chemicals in this product are listed as Toxic Pollutants under the CWA.
OSHA:
     None of the chemicals in this product are considered highly hazardous by OSHA.
STATE
     CAS# 78-93-3 can be found on the following state right to know lists: California, New Jersey, Pennsylvania, Minnesota, Massachusetts.

California Prop 65

California No Significant Risk Level: None of the chemicals in this product are listed.

European/International Regulations

European Labeling in Accordance with EC Directives
Hazard Symbols:
     XI F
Risk Phrases:

     R 11 Highly flammable.
     R 36 Irritating to eyes.
     R 66 Repeated exposure may cause skin dryness or cracking.
     R 67 Vapours may cause drowsiness and dizziness.

Safety Phrases:

     S 16 Keep away from sources of ignition - No smoking.
     S 9 Keep container in a well-ventilated place.

WGK (Water Danger/Protection)

     CAS# 78-93-3: 1
Canada - DSL/NDSL
     CAS# 78-93-3 is listed on Canada's DSL List.
Canada - WHMIS
     This product has a WHMIS classification of B2, D2A.
This product has been classified in accordance with the hazard criteria of the Controlled Products Regulations and the MSDS contains all of the information required by those regulations.
Canadian Ingredient Disclosure List
     CAS# 78-93-3 is listed on the Canadian Ingredient Disclosure List.

Section 16 - Additional Information

MSDS Creation Date: 4/27/1999
Revision #4 Date: 4/13/2006

The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no event shall Fisher be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if Fisher has been advised of the possibility of such damages.