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maleic anhydride 108-31-6 MSDS
Name: Maleic Anhydride 99% (pellets) Material Safety Data Sheet
Synonym: MA, 2,5-Furandion
CAS: 108-31-6
Section 1 - Chemical Product   MSDS Name:Maleic Anhydride 99% (pellets) Material Safety Data Sheet
Synonym:MA, 2,5-Furandion

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
108-31-6
Hazard Symbols: C
Risk Phrases:

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful if swallowed. Causes burns. May cause sensitization by inhalation and skin contact.Moisture sensitive.Corrosive.
Potential Health Effects
Eye:
Causes eye burns. May cause conjunctivitis. Causes redness and pain. Exposure to high fume concentrations cause photophobia, double vision, and "halo" vision.
Skin:
Causes skin burns. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
Causes redness and pain. May cause blistering of the skin.
Ingestion:
Harmful if swallowed. Causes gastrointestinal tract burns.
Inhalation:
May cause asthmatic attacks due to allergic sensitization of the respiratory tract. Causes chemical burns to the respiratory tract.
Inhalation of high concentrations may cause pulmonary edema.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. Repeated exposure may cause allergic respiratory reaction (asthma).

Section 4 - FIRST AID MEASURES
  Eyes: Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation with water is required (at least 30 minutes).
Skin:
Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. Contact with metals may evolve flammable hydrogen gas.
Extinguishing Media:
Use carbon dioxide. Use alcohol foam. Do NOT use dry powder.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Corrosives area. Do not store in metal containers.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Lumps
Color: white
Odor: irritating odor - penetrating odor
pH: Not available.
Vapor Pressure: 0.16 mm Hg @ 20 deg
Viscosity: Not available.
Boiling Point: 202 deg C @ 760 mm Hg
Freezing/Melting Point: 53 deg C
Autoignition Temperature: 477 deg C ( 890.60 deg F)
Flash Point: 102 deg C ( 215.60 deg F)
Explosion Limits, lower: 1.4 vol %
Explosion Limits, upper: 7.1 vol %
Decomposition Temperature: >150 deg C
Solubility in water: Dissolves in water to form maleic acid
Specific Gravity/Density: 1.48
Molecular Formula: C4H2O3
Molecular Weight: 98.06

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Ignition sources, dust generation, metals, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents, stong alkalies, amines, water, steam.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: May occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 108-31-6: ON3675000 LD50/LC50:
CAS# 108-31-6: Dermal, guinea pig: LD50 = >20 gm/kg; Draize test, rabbit, eye: 1% Severe; Oral, mouse: LD50 = 465 mg/kg; Oral, rabbit: LD50 = 875 mg/kg; Oral, rat: LD50 = 400 mg/kg; Skin, rabbit: LD50 = 2620 mg/kg.
Carcinogenicity:
Maleic anhydride - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Ecotoxicity:
Fish: Bluegill/Sunfish: LC50 = 138 mg/L; 48 Hr.; UnspecifiedFish: Mosquito Fish: LC50 = 240 mg/L; 96 Hr.; UnspecifiedBacteria: Phytobacterium phosphoreum: EC50 = 44.0 mg/L; 30 Minutes; Microtox test

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: MALEIC ANHYDRIDE
Hazard Class: 8
UN Number: 2215
Packing Group: III
IMO
Shipping Name: MALEIC ANHYDRIDE
Hazard Class: 8
UN Number: 2215
Packing Group: III
RID/ADR
Shipping Name: MALEIC ANHYDRIDE
Hazard Class: 8
UN Number: 2215
Packing group: III

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 22 Harmful if swallowed.
R 34 Causes burns.
R 42/43 May cause sensitization by inhalation and
skin contact.
Safety Phrases:
S 22 Do not breathe dust.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 108-31-6: 1
United Kingdom Occupational Exposure Limits
United Kingdom Maximum Exposure Limits
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 108-31-6 is not listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 108-31-6: OEL-AUSTRALIA:TWA 0.25 ppm (1 mg/m3)
OEL-BELGIUM:TWA 0.25 ppm (1 mg/m3)
OEL-CZECHOSLOVAKIA:TWA 1 mg/m3;STEL 1 mg/m3
OEL-DENMARK:TWA 0.2 ppm (0.8 mg/m3)
OEL-FINLAND:TWA 0.25 ppm (1 mg/m3);STEL 0.75 ppm (3 mg/m3);Skin
OEL-FRANCE:STEL 1 mg/m3
OEL-GERMANY:TWA 0.2 ppm (0.8 mg/m3)
OEL-HUNGARY:TWA 1 mg/m3;STEL 2 mg/m3
OEL-THE NETHERLANDS:TWA 0.25 ppm (1 mg/m3)
OEL-THE PHILIPPINES:TWA 0.25 ppm (1 mg/m3)
OEL-RUSSIA:STEL 1 mg/m3
OEL-SWEDEN:TWA 0.3 ppm (1.2 mg/m3);STEL 0.6 ppm (2.5 mg/m3)
OEL-SWITZERLAND:TWA 0.2 ppm (0.8 mg/m3);STEL 0.4 ppm (1.6 mg/m3)
OEL-UNITED KINGDOM:TWA 0.25 ppm (1 mg/m3)
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGI TLV
US FEDERAL
TSCA
CAS# 108-31-6 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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