Material Safety Data Sheet
Science Stuff, Inc.
1104 Newport Ave
Austin, TX 78753
Phone (512) 837-6020
Chemtrec 800-424-9300
24 Hour Emergency Assistance
Section 1 Identification
Product Number:C2034 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Maleic Acid (Toxilic Acid) Laboratory Grade
Trade/Chemical Synonyms 
Formula:HO’CCH:CHCO’H
RTECS:OM9625000 
C.A.SCAS# 110-16-7
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Maleic Acid (Toxilic Acid) CAS# 110-16-7 100% W/W TXDS: orl-rat LD•: 708 mg/Kg 
Section 3 Hazard Identification (Also see section 11)
Harmful if swallowed. May cause irritation. Avoid breathing vapors, or dusts. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. Keep container closed. 
Section 4 First Aid Measures
Harmful if swallowed. May cause irritation. Avoid breathing vapors, or dusts. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. Keep container closed.

FIRST AID: SKIN: Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention

EYES: Wash eyes with plenty of water for at least 15 minutes, lifting lids occasionally. Seek Medical Aid. INHALATION: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen

INGESTION: If swallowed, induce vomiting immediately after giving two glasses of water. Never give anything by mouth to an unconscious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Water spray, dry chemical, carbon dioxide, alcohol foam
Fire/Explosion Hazards:Dust at sufficient concentrations can form explosive mixtures with air.
Fire Fighting Procedure:Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
Section 6 Accidental Release Measures
Wear Protective equipment. Sweep up, place in a bag and hold for waste disposal.
Section 7 Handling and Storage
Store in a cool, dry, well-ventilated place away from incompatible materials. Wash thoroughly after handling. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:NIOSH/MSHA-approved respirator
Ventilation: Mechanical: Hand Protection:Wear appropriate gloves to prevent skin exposure
Local Exhaust: Eye Protection:Splash Goggles
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure
Section 9 Physical and Chemical Properties
Melting Point:140° CSpecific Gravity1.590
Boiling Point:Decomposes Percent Volatile by Volume:0
Vapor Pressure:Information not available Evaporation Rate:N/A
Vapor Density: Information not available Evaporation Standard:
Solubility in Water: information not available Auto ignition Temperature: Not applicable
Appearance and Odor: White powder Lower Flamm. Limit in Air: Not applicable
Flash Point: N/A Upper Flamm. Limit in Air: Not applicable
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: None known
Materials to Avoid:
Oxidizing materials, reducing agents
Hazardous Decomposition Products:
Carbon dioxide, carbon monoxide.
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Effects of overexposure, acute and chronic: Harmful if swallowed, inhaled or absorbed through skin. Is extremely distructive to tissue of the mucous membranes and upper respiratory tract, eyes and skin. Inhalation may result in spasm, inflammation and edema of the larnyx and bronchi, chemical pneumonia and pulmonary edema. Symptons of exposure may include burning sensation, cough, wheeze, laryngitis. Shortness of breath, headache, nausea and vomiting. Target organs: Gastrointestinal, behavioral. Conditions aggravated: Persons with pre-exisitng eye, skin or respiratory conditions may be more susceptible. 
DOT Classification: Maleic Acid, 8, NA2215, PG III
DOT regulations may change from time to time. Please consult the most recent version of the relevant regulations.
Revision No:0Date Entered: 9/1/2006 Approved by: WPF

The information contained herein is believed to be accurate and is offered in good faith for the user's consideration and investigation. No warranty is expressed or implied regarding the completeness or accuracy of this information, whether originating from Science Stuff, Inc. or from an alternate source. Users of this material should satisfy themselves by independent investigation of current scientific and medical information that this material may be safely handled.