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Safety Data Sheet (SDS)

SDS #: 309
Revision Date: September 22, 2014
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

1 4-Dioxane

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-9715
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) and inhalation (Category 5). May be harmful if swallowed or inhaled (H303+333).

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

Hazard class: Specific target organ toxicity, single exposure; Respiratory tract irritation (Category 3). May cause respiratory irritation (H335). Avoid breathing vapors, mist or spray (P261).

Hazard class: Carcinogenicity (Category 2). Suspected of causing cancer (H351). Obtain special instructions before use (P201). Do not handle until all safety precautions have been read and understood (P202). Use personal protective equipment as required (P281).
Possible human carcinogen (IARC-2B).

Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
1,4-Dioxane

Synonyms: Diethylene dioxide; Diethylene ether
123-91-1 C4H8O2 88.1
SECTION 4 — FIRST AID MEASURES
If exposed or concerned: Get medical advice or attention (P308+P313).
If inhaled: Remove victim to fresh air and keep at rest 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: Get medical advice or attention (P337+P313).
If on skin: Immediately remove all contaminated clothing. Rinse skin with water (P303+P361+P353).
If swallowed: Rinse mouth. Call a POISON CENTER or physician if you feel unwell.
SECTION 5 — FIRE FIGHTING MEASURES
Class IB flammable liquid.
Flash point: 12 °C Flammable limits: Lower: 2.0% Upper: 22% Autoignition Temperature: 180 °C
When heated to decomposition, may emit toxic fumes.
Substance may develop peroxides; potential explosive.
In case of fire: Use a tri-class dry chemical fire extinguisher.
NFPA Code
H-2
F-3
R-1
SECTION 6 — ACCIDENTAL RELEASE MEASURES
Remove all ignition sources and ventilate area. Contain the spill with sand or 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 Flinn Saf-Stor™ can. Store in a cool, dry place. Keep container tightly closed (P233). Keep cool (P235). Use only in a hood or well-ventilated area (P271). Take precautionary measures against static discharge (P243).
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), 20 ppm (ACGIH) Readily absorbed through the skin.
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
Colorless liquid. Ethereal odor.
Soluble: Miscible with water and most organic solvents.
Specific gravity: 1.0356
SECTION 10 — STABILITY AND REACTIVITY
This material develops explosive peroxides with age.
Avoid contact with strong oxidizers, decaborane, triethynyl aluminum, and SO3.
Shelf life: Poor. See Section 7 for further information.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Irritant, nausea, dizziness, headache.
Chronic effects: Possible carcinogen, mutagen.
Target organs: Liver, kidneys, central nervous system.
ORL-RAT LD50: 4200 mg/kg
IHL-RAT LC50: 46 g/m3/2H
SKN-RBT LD50: 7600 mg/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 #15 is one option.
SECTION 14 — TRANSPORT INFORMATION
Shipping name: Dioxane. Hazard class: 3, Flammable liquid. UN number: UN1165.
SECTION 15 — REGULATORY INFORMATION
TSCA-listed, EINECS-listed (204-661-8), RCRA code U108.
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.