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Dicyclopentadiene Safety Data Sheet (SDS)

SDS #: 303.3
Revision Date: October 28, 2014
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Dicyclopentadiene

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-9707
Signal Word
DANGER
SECTION 2 — HAZARDS IDENTIFICATION
Hazard class: Flammable liquids (Category 3). Flammable liquid and vapor (H226). Keep away from heat, sparks, open flames, and hot surfaces. No smoking (P210).
Hazard class: Acute toxicity, oral (Category 4). Harmful if swallowed (H302). Do not eat, drink or smoke when using this product (P270).
Hazard class: Skin corrosion or irritation (Category 2). Causes skin irritation (H315).
Hazard class: Serious eye damage (Category 2A). Causes serious eye irritation (H319).
Hazard class: Acute toxicity, inhalation (Category 3). Toxic if inhaled (H331). 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). Avoid breathing dust or fumes (P261).

Forms explosive peroxides upon concentration or distillation.
Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
Dicyclopentadiene
4-tert-Butylcatechol (stabilizer)

Synonyms: DCPD; Cyclopentadiene dimer; 4,7-Methano-3a,4,7,7a-tetrahydroindene
77-73-6
98-29-3
C10H12
C10H14O2
132.21
166.22
95%
5%
SECTION 4 — FIRST AID MEASURES
Call a POISON CENTER or physician if you feel unwell (P312). If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breathing (P304+P340). Immediately call a POISON CENTER or physician (P310). If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing (P305+P351+P338). If eye irritation persists eyes: Get medical advice or attention (P337+P313). If on skin or hair: 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. Call a POISON CENTER or physician if you feel unwell.
SECTION 5 — FIRE FIGHTING MEASURES
Class IC flammable liquid.
Flash point: 32 °C Flammable limits: Upper 6.3% Lower: 0.8% Autoignition Temperature: 503 °C
When heated to decomposition, may emit toxic fumes.
In case of fire: Use a tri-class dry chemical fire extinguisher (P370+P378). Water may be ineffective.
NFPA Code
H-3
F-3
R-1
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 #3. Store with hydrocarbons, oils, esters and aldehydes.
Keep container tightly closed (P233). Keep cool (P235). Ground or bond container and receiving equipment (P240). Use explosion-proof electrical and ventilating equipment (P241). Use only non-sparking tools (P242). Take precautionary measures against static discharge (P243). Use only in a hood or in a well-ventilated area (P271).
SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Wear protective gloves, protective clothing, and eye protection (P280). Wash thoroughly after handling (P264). Use only in a hood or in a well-ventilated area (P271). Wear respiratory protection (P284).
Exposure guidelines: TLV 5 ppm (ACGIH)
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
Colorless to pale yellow liquid. Camphor-like odor.
Soluble in ethyl alcohol and ether. Slightly soluble in water.
Boiling point: 64.5 °C
Melting point: 5 °C
Specific gravity: 0.978
Vapor density: 4.6
SECTION 10 — STABILITY AND REACTIVITY
Avoid heat, sunlight, and ignition sources. Reacts with strong oxidizers, strong acids, and strong bases.
Shelf life: Poor, forms explosive peroxides upon concentration or distillation.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Serious eye damage, Skin and respiratory tract irritant.
Chronic effects: Toxic to kidneys, liver, gastrointestinal tract, upper respiratory tract, skin, eyes, and CNS.
Target organs: Kidneys, liver, GI tract, respiratory tract, and CNS
ORL-RAT LD50: 353 mg/kg
IHL-RAT LC50: 660 ppm/4H
SKN-RBT LD50: 5080 mg/kg
SECTION 12 — ECOLOGICAL INFORMATION
Toxic to aquatic life. EC50 Daphnia: 11 mg/L/48H
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: Dicyclopentadiene. Hazard class: 3. UN number: UN2048.
SECTION 15 — REGULATORY INFORMATION
TSCA listed
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.