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Azobisisobutyronitrile SDS Safety Data Sheet of Supplier Exporter Manufacturers' Representative |
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Azobisisobutyronitrile
CAS Number: 78-67-1
Molecular Formula: C8H12N4
Molecular Weight: 164.21
Azobisisobutyronitrile
Azobisisobutyronitrile or AIBN or 2,2'-Azobis(2-methylpropionitrile)
SDS GHS, Safety Data Sheet
MSDS Sheet, Material Safety Data Sheet 07-Feb-26
1. Product Identification
Product Name/Synonyms: Azobisisobutyronitrile or AIBN or 2,2'-Azobis(2-methylpropionitrile).
CAS No.: 78-67-1
EINECS EC No.: 201-132-3
Molecular Formula: C8H12N4
Molecular Weight: 164.21
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Supplier: American Molecules, 9910 Bent Oak Dr, Houston, TX 77040, USA.
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665.
In case of emergency contact: Will be given with the supply.
2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Hazard Class and Category Code(s), Regulation (EC) No 1272/2008 (CLP):
Organic peroxides (Type F), H242
Acute toxicity, Oral (Category 4) H302
Acute toxicity, Inhalation (Category 4) H332
Long-term (chronic) aquatic hazard, (Category 3) H412
Labeling according to Regulation (EC) No 1272/2008
GHS Label Elements  Flammable | GHS Label Elements  Irritant |
Signal Words: Danger
Hazard statements:
H242: Heating may cause a fire.
H302: Harmful if swallowed.
H332: Harmful if inhaled
H412: Harmful to aquatic life with long lasting effects.
Precautionary statements:
P210: Keep away from heat/sparks/open flames/hot surfaces – No smoking.
P233: Keep container tightly closed.
P240: Ground/bond container and receiving equipment.
P241: Use explosion-proof electrical/ventilating/light/…/equipment.
P242: Use only non-sparking tools.
P243: Take precautionary measures against static discharge.
P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P264: Wash … thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P330: Rinse mouth.
P301+310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+361+353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304+340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
P309+P310: IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.
P370+378: In case of fire: Use Water spray, Carbon dioxide (CO2), Foam, Dry powder, and Sand for extinction.
P403+233+235: Store in a well-ventilated place. Keep the container tightly closed. Keep cool.
P410: Protect from sunlight.
P501: Dispose of contents/container to authorized agents only.
3. Composition/Information on Ingredients
Product Name/Synonyms: Azobisisobutyronitrile or AIBN or 2,2'-Azobis(2-methylpropionitrile).
CAS No.: 78-67-1
EINECS EC No.: 201-132-3
4. First Aid Measures
Always seek medical attention after first aid measures are provided.
Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.
Ingestion: Never give anything by mouth to an unconscious person. Get medical attention.
Skin Contact: Wipe off excess material from skin then immediately flush skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Get medical attention. Wash clothing before reusing. Thoroughly clean shoes before reusing them. Get medical attention.
Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately.
5. Fire Fighting Measures
Flammability of the Product: Heating may cause a fire.
Products of Combustion: Carbon dioxide, Carbon monoxide, Nitrogen oxides, fumes.
Fire: Inflammable.
Explosion: Explosive in presence of heat.
Fire Extinguishing Media: Use Water spray, Carbon dioxide (CO2), Foam, Dry powder, and Sand for extinction. Use extinguishing measures that are appropriate to local circumstances and the surrounding environment. Water spray or fog is preferred, if water is not available use dry chemical, CO2, or regular foam. Flammable liquid and vapor. Vapors are heavier than air and may travel to a source of ignition and flashback. Vapors can spread along the ground and collect in low or confined areas. Never direct a solid water jet in the container to prevent any splashing of the product which could cause the spread of the fire. Cool containing vessels with water jet to prevent pressure build-up, auto-ignition, or explosion.
Extinguishing Media Not recommended: Avoid using solid water jet as it may scatter the fire.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures it may produce toxic or irritating fumes. These substances will accelerate burning when involved in a fire. Some may burn rapidly with flare burning effect. Some may decompose explosively when heated or involved in a fire. May ignite combustibles (wood paper, oil, clothing, etc.). Thermal decomposition can lead to release of irritating and toxic gases and vapors.
6. Accidental Release Measures
Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment, cleanup procedures, and Storage: Prevent further leakage or spillage if safe to do so. Do not let products enter drains. Discharge into the environment must be avoided. Remove all sources of ignition. Provide proper ventilation. Absorb the material on a porous, inert material such as earth, sand, or vermiculite. Carefully sweep solid/powder up the material without causing dust. Dispose of in accordance with local regulations. The spillage should be transferred to a suitable container and recovered or disposed of in accordance with local regulations. Because of the danger of spontaneous combustion, any combustible material, such as cloth, used for cleaning spillages, should be saturated with water, and disposed of promptly, preferably by incineration.
7. Handling and Storage
Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. Provide appropriate exhaust ventilation at places where dust/mist/vapor is formed. Wash thoroughly after handling it. Do not drink, eat, or smoke while handling. Do not ingest. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Keep the container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces. If you feel unwell, seek medical attention.
Conditions for safe storage, including any incompatibility: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original containers. Keep air contact to a minimum. Do not leave the material container open. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents, strong reducing agents, strong acids, strong bases, powdered metals, and organic materials.
Keep the product in its original container well sealed, in a dry and ventilated area, away from potential sources of ignition and protected from light. Protect against physical damage. Avoid heating above: 30C. Storage: 2C to 8C. Air Sensitive, Heat Sensitive.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits: Not Established. Keep it below 0.2 ppm. Provide adequate ventilation.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator may be worn. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles and/or full-face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.
9. Physical and Chemical Properties
Appearance It occurs as white crystal.
Odor: Not available.
Odor threshold: Not available.
pH: Not available.
Relative density: about 1.1
Melting point/freezing point: 101C -105C.
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility(ies): Not available.
Viscosity: Not available.
Molecular Formula: C8H12N4
Molecular Weight: 164.21
10. Stability and Reactivity
Stability: Stable under recommended conditions of use and storage. Vapor/air-mixtures are explosive at intense warming. Violent reactions possible with: Strong acids, alkalis, reducing agents. Air Sensitive, Heat Sensitive.
Hazardous Decomposition Products: It emits Carbon dioxide, Carbon monoxide, Nitrogen oxides, & Toxic Fumes.
Hazardous Polymerization: Will not occur.
Incompatibilities: Heat, strong oxidizing agents, strong reducing agents, strong acids, strong bases. Powdered metals, Organic materials.
Conditions to Avoid: Incompatibles, heat, flame, sparks & light.
11. Toxicological Information
Toxicity data
LD50 Oral Rat = 300 - 2.000 mg/kg.
LD50 Dermal Rat = >2000 mg/kg.
Acute toxicity estimate Inhalation - 4 h - 1,5 mg/l - dust/mist.
Carcinogenicity: Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Teratogenicity: No information found
Reproductive Effects: No information found
Mutagenicity: No information found.
12. Ecological Information
Toxicity to fish: static test LC50 - Danio rerio (zebra fish) - > 100 mg/l - 96 h.
Toxicity to daphnia and other aquatic invertebrates: static test EC50 - Daphnia magna (Water flea) - > 367 mg/l - 48 h
Persistence and Degradability: No information available.
Bioaccumulation/ Accumulation: No information available.
Mobility: No information available.
Results of PBT and vPvB assessment: No data available for assessment.
13. Disposal Considerations
Whatever cannot be saved for recovery, or recycling should be managed in an appropriate and approved waste disposal facility. Processing use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of containers and unused contents in accordance with federal, state, and local requirements.
14. Transport Information
DOT USA, TDG Canada & ADR/RID Europe:
UN Number: UN3234
Shipping Name: Self-reactive solid type C, temperature controlled. Azobisisobutyronitrile.
Hazard Class: 4.1; Packing Group: III.
IMDG/IMO & IATA:
UN Number: UN3234
Shipping Name: Self-reactive solid type C, temperature controlled. Azobisisobutyronitrile.
Hazard Class: 4.1; Packing Group: III.
15. Regulatory Information
USA:
SARA 311/312 Hazards: Fire Hazard: Yes, Immediate Health Hazard: Acute Yes. See section 2.
16. Other Information
European Labeling in Accordance with EC Directives:
H242: Heating may cause a fire.
H302: Harmful if swallowed.
H332: Harmful if inhaled
H412: Harmful to aquatic life with long lasting effects.
Disclaimer:
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Our company provides this MSDS sheet in good faith but makes no representation as to its comprehensiveness or accuracy. This SDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. The above information has been compiled from various sources and has the possibility of discrepancy and being out-dated information. Individuals receiving the information must exercise their independent judgment and do further search in determining its appropriateness for a particular purpose. In no case shall our company be liable to loss or damages by the product user.
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Please visit Main Page of Azobisisobutyronitrile Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
Suppliers and Manufacturers' Representative:
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665
Email: info@ammol.org