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Safety Data Sheet (SDS)

SDS #: 514
Revision Date: September 22, 2014
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Methyl Isobutyl Ketone

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-10001
Signal Word
DANGER
SECTION 2 — HAZARDS IDENTIFICATION
Hazard class: Flammable liquids (Category 2). Highly flammable liquid and vapor (H225). Keep away from heat, sparks, open flames, and hot surfaces (P210).

Hazard class: Acute toxicity, oral (Category 5). May be harmful if swallowed (H303).

Hazard class: Skin corrosion or irritation (Category 3). Causes mild skin irritation (H316).

Hazard class: Serious eye damage or irritation (Category 2A). Causes serious eye irritation (H319).

Hazard class: Acute toxicity, inhalation (Category 4). Harmful if inhaled (H332). Avoid breathing mist, vapors, or spray (P261).

Hazard class: Specific target organ toxicity, single exposure; Respiratory tract irritation (Category 3). May cause respiratory irritation (H335).
Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
Methyl isobutyl ketone

Synonyms: 4-Methyl-2-pentanone; MIBK; Hexone
108-10-1 (CH3)2CHCH2COCH3 100.09
SECTION 4 — FIRST AID MEASURES
Call a POISON CENTER or physician if you feel unwell.
If inhaled: Remove victim to fresh air in a position comfortable for breathing (P304+P340). If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do so. Continue rinsing (P305+P351+P338). If eye irritation persists eyes: Get medical advice or attention (P337+P313). If on skin: Immediately remove all contaminated clothing. Rinse skin with water (P303+P361+P353). If skin irritation occurs: Get medical advice or attention (P332+P313).
If swallowed: Rinse mouth.
SECTION 5 — FIRE FIGHTING MEASURES
Class 1B flammable liquid.
Flash point: 18 °C Flammable limits: Lower: 1.2% Upper: 8% Autoignition Temperature: 448 °C
When heated to decomposition, may emit toxic fumes.
In case of fire: Use a tri-class dry chemical fire extinguisher.
NFPA Code
H-1
F-3
R-0
SECTION 6 — ACCIDENTAL RELEASE MEASURES
Remove all ignition sources and ventilate area. Contain the spill with sand or other inert absorbent material and deposit in a sealed bag or container. See Sections 8 and 13 for further information.
SECTION 7 — HANDLING AND STORAGE
Flinn Suggested Chemical Storage Pattern: Organic #4. Store with ethers, ketones, and halogenated hydrocarbons.
Store in a dedicated flammables cabinet. If a flammables cabinet is not available, store in a Flinn Saf-Stor™ can. Avoid prolonged storage (see Section 10). Keep container tightly closed (P233). Keep cool (P235). Take precautionary measures against static discharge (P243). Use only in a hood or well-ventilated area (P271).
SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Wear protective gloves, protective clothing, and eye protection (P280). Wash hands thoroughly after handling (P264). Use only in a hood or well-ventilated area (P271).
Exposure guidelines: PEL 100 ppm (OSHA); TLV 20 ppm STEL 75 ppm (ACGIH)
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
Colorless liquid. Odor like ether.
Soluble: Very slightly in water. Miscible with most organic solvents.
Boiling point: 117 °C
Melting point: -84 °C
Refractive index: 1.3962
Specific gravity: 0.7965
Vapor pressure: 15 mm (20 °C)
SECTION 10 — STABILITY AND REACTIVITY
Avoid contact with oxidizers, reducers, and strong bases.
Shelf life: Fair to poor. May form explosive peroxides; do not distill to dryness and avoid prolonged storage.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Skin and eye irritant, somnolence.
Chronic effects: N.A.
Target organs: Central nervous system.
ORL-RAT LD50: 2080 mg/kg
IHL-MUS LC50: 23,300 mg/m3
SKN-RBT LD50: greater than 20 g/kg
SECTION 12 — ECOLOGICAL INFORMATION
Data not yet available.
SECTION 13 — DISPOSAL CONSIDERATIONS
Please review all federal, state and local regulations that may apply before proceeding.
Flinn Suggested Disposal Method #18b is one option.
SECTION 14 — TRANSPORT INFORMATION
Shipping name: Methyl isobutyl ketone. Hazard class: 3, Flammable liquid. UN number: UN1245.
SECTION 15 — REGULATORY INFORMATION
TSCA-listed, EINECS-listed (203-550-1), RCRA code U161.
SECTION 16 — OTHER INFORMATION
This Safety Data Sheet (SDS) is for guidance and is based upon information and tests believed to be reliable. Flinn Scientific, Inc. makes no guarantee of the accuracy or completeness of the data and shall not be liable for any damages relating thereto. The data is offered solely for your consideration, investigation, and verification. The data should not be confused with local, state, federal or insurance mandates, regulations, or requirements and CONSTITUTE NO WARRANTY. Any use of this data and information must be determined by the science instructor to be in accordance with applicable local, state or federal laws and regulations. The conditions or methods of handling, storage, use and disposal of the product(s) described are beyond the control of Flinn Scientific, Inc. and may be beyond our knowledge. FOR THIS AND OTHER REASONS, WE DO NOT ASSUME RESPONSIBILITY AND EXPRESSLY DISCLAIM LIABILITY FOR LOSS, DAMAGE OR EXPENSE ARISING OUT OF OR IN ANY WAY CONNECTED WITH THE HANDLING, STORAGE, USE OR DISPOSAL OF THIS PRODUCT(S).
Consult your copy of the Flinn Science Catalog/Reference Manual for additional information about laboratory chemicals.