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Safety Data Sheet (SDS)

SDS #: 485.2
Revision Date: July 12, 2016
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Maleic Anhydride

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-9974
Signal Word
DANGER
SECTION 2 — HAZARDS IDENTIFICATION
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 1). Causes severe skin burns and eye damage (H314). Do not breathe dust or fumes (P260).

Hazard class: Sensitization, skin (Category 1). May cause an allergic skin reaction (H317).

Hazard class: Sensitization, respiratory (Category 1). May cause allergy or asthma symptoms or breathing difficulties if inhaled (H334).
Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
Maleic anhydride

Synonyms: 2,5-Furandione; cis-Butenedioic anhydride
108-31-6 (COCH)2O 98.057
SECTION 4 — FIRST AID MEASURES
Immediately call a POISON CENTER or physician (P310).
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. Continue rinsing (P305+P351+P338).
If on skin or hair: Immediately remove all contaminated clothing. Rinse skin with water (P303+P361+P353). If skin irritation or rash occurs: Get medical advice or attention (P333+P313). Wash contaminated clothing before reuse (P363). If swallowed: Rinse mouth. Do not induce vomiting. Call a POISON CENTER or physician if you feel unwell (P302+P301+P312).
SECTION 5 — FIRE FIGHTING MEASURES
Class IIIB combustible solid.
Flash point: 102 °C Flammable limits: Upper 7.1% Lower: 1.4% Autoignition Temperature: 477 °C
When heated to decomposition, may emit toxic fumes.
In case of fire: Use a tri-class dry chemical fire extinguisher. Do not use alkalies or water.
NFPA Code
H-3
F-1
R-1
SECTION 6 — ACCIDENTAL RELEASE MEASURES
Do not allow solid to become airborne. Exothermic reaction with water and alkalies. Gather dust with a dry paper towel to avoid generating dust. Place in a sealed bag or container and dispose. Wash spill site after material pickup is complete. See Sections 8 and 13 for further information.
SECTION 7 — HANDLING AND STORAGE
Flinn Suggested Chemical Storage Pattern: Organic #1. Store with acids, anhydrides and peracids.
Store in a cool, dry place.
SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Wear protective gloves, protective clothing, and eye protection (P280). Wash thoroughly after handling (P264). Contaminated work clothing should not be allowed out of the workplace (P272). In case of inadequate ventilation, wear respiratory protection (P285).
Exposure guidelines: TLV 0.0025 ppm (ACGIH); PEL 0.25 ppm (OSHA); IDLH 2.5 ppm
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
Colorless to white crystalline needles, lumps, or pellets. Sharp, irritating, acrid odor.
Soluble in water (exothermic), alcohol, and acetone.
Boiling point: 202 °C
Melting point: 51-56 °C
Specific gravity: 1.48
Vapor density: 3.38
SECTION 10 — STABILITY AND REACTIVITY
Avoid heat and sunlight; undergoes general exothermic autoxidation and decomposition. Reacts with water, alkalies, and alkali metals.
Shelf life: Fair, store in a cool, dry place.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Eye, skin, mucous membrane, and GI tract irritant.
Chronic effects: Dermatitis, pulmonary edema, asthma, mucous membrane ulceration.
Target organs: Eyes, skin, mucous membranes.
ORL-RAT LD50: 400 mg/kg
IHL-RAT LC50: N.A.
SKN-RBT LD50: 2620 mg/kg
SECTION 12 — ECOLOGICAL INFORMATION
EC50 Daphnia 88mg/L/24H
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: Maleic anhydride. Hazard class: 8. UN number: UN2215.
SECTION 15 — REGULATORY INFORMATION
TSCA listed. U0147
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.