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Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
CAS No.: 75980-60-8
Synonyms:
Formula: C22H21O2P
Exact Mass: 348.12800
Molecular Weight: 348.37500
PSA: 43.95000
LogP: 4.76610
Reference Price: $24,194/ton Inquiry Now
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide 75980-60-8 MSDS

Section I.Chemical Product and Company Identification
    Chemical Name Diphenyl(2,4,6-trimethylbenzoyl)phosphine Oxide
    Portland OR
    Synonym        Not available.    
    C22H21O2P
    Chemical Formula
    75980-60-8
    CAS Number

Section II.        Composition and Information on Ingredients    
    Toxicology Data
    Chemical Name        CAS Number Percent (%)        TLV/PEL    
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine Oxide        75980-60-8        Min. 98.0 Not available.        Not available.    
    (HPLC)

Section III. Hazards Identification
    Acute Health Effects        Harmful if ingested or inhaled. Minimize exposure to this material. Severe overexposure can result in injury or death.    
    Follow safe industrial hygiene practices and always wear proper protective equipment when handling this compound.
    Chronic Health Effects        CARCINOGENIC EFFECTS : Not available.    
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.

Section IV.        First Aid Measures    
    Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15
    Eye Contact
    minutes. Get medical attention.
    In case of contact, immediately flush skin with plenty of water. Remove contaminated clothing and shoes. Wash clothing
    Skin Contact
    before reuse. Thoroughly clean shoes before reuse. Get medical attention.
    Inhalation        If the victim is not breathing, perform mouth-to-mouth resuscitation. Loosen tight clothing such as a collar, tie, belt or    
    waistband. If breathing is difficult, oxygen can be administered. Seek medical attention if respiration problems do not
    improve.
    Ingestion        INDUCE VOMITING by sticking finger in throat. Lower the head so that the vomit will not reenter the mouth and throat.    
    Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing, perform mouth-to-mouth
    resuscitation. Examine the lips and mouth to ascertain whether the tissues are damaged, a possible indication that the toxic
    material was ingested; the absence of such signs, however, is not conclusive.

Section V.        Fire and Explosion Data    
    Not available.
    May be combustible at high temperature.        Auto-Ignition    
    Flammability
    Flammable Limits        Not available.    
    Flash Points        Not available.    
    Combustion Products        These products are toxic carbon oxides (CO, CO2), phosphates.    
    Fire Hazards
    Not available.
    Risks of explosion of the product in presence of mechanical impact: Not available.
    Explosion Hazards
    Risks of explosion of the product in presence of static discharge: Not available.
    Fire Fighting Media
    SMALL FIRE: Use DRY chemical powder.
    LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet.
    and Instructions
    Consult with local fire authorities before attempting large scale fire-fighting operations.
    Continued on Next Page
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine Oxide

Section VI.        Accidental Release Measures    
    Spill Cleanup        Harmful material.    
    Use a shovel to put the material into a convenient waste disposal container. Finish cleaning the spill by rinsing any
    Instructions
    contaminated surfaces with copious amounts of water. Consult federal, state, and/or local authorities for assistance on
    disposal.

Section VII. Handling and Storage
    HARMFUL. Keep away from heat. Mechanical exhaust required. When not in use, tightly seal the container and store in a
    Handling and Storage
    dry, cool place. Avoid excessive heat and light. Do not breathe dust.
    Information
    Always store away from incompatible compounds such as oxidizing agents.

Section VIII. Exposure Controls/Personal Protection
    Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended
    Engineering Controls
    exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants
    below the exposure limit.
    Splash goggles. Lab coat. Dust respirator. Boots. Gloves. Suggested protective clothing might not be sufficient; consult a
    Personal Protection
    specialist BEFORE handling this product. Be sure to use a MSHA/NIOSH approved respirator or equivalent.
    Exposure Limits        Not available.    

Section IX. Physical and Chemical Properties
    Solid. (Pale yellowish-green crystal ~        Solubility    
    Physical state @ 20°C        Soluble in methanol.    
    crystalline powder.)
    Not available.
    Specific Gravity
    Molecular Weight        348.37        Partition Coefficient        Not available.    
    Boiling Point        Not available.        Not applicable.    
    Vapor Pressure
    Melting Point        93°C (199.4°F)        Vapor Density        Not available.    
    Not available.        Not available.    
    Refractive Index        Volatility    
    Critical Temperature        Not available.        Odor        Not available.    
    Not available.        Not available.    
    Viscosity        Taste    

Section X.        Stability and Reactivity Data    
    Stability    
This material is stable if stored under proper conditions. (See Section VII for instructions)    
    Conditions of Instability        Avoid excessive heat and light.    
    Incompatibilities        Reactive with oxidizing agents.    

Section XI. Toxicological Information
    RTECS Number        SZ0395000    
    Eye Contact. Ingestion. Inhalation.
    Routes of Exposure
    Not available.
    Toxicity Data
    CARCINOGENIC EFFECTS : Not available.
    Chronic Toxic Effects
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.
    Harmful if ingested or inhaled. Minimize exposure to this material. Severe overexposure can result in injury or death.
    Acute Toxic Effects
    Follow safe industrial hygiene practices and always wear proper protective equipment when handling this compound.

Section XII.        Ecological Information    
    Not available.
    Ecotoxicity
    Not available.
    Environmental Fate
    Continued on Next Page
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine Oxide

Section XIII. Disposal Considerations
    Waste Disposal        Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a    
    combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all
    federal, state and local regulations when disposing of the substance.

Section XIV. Transport Information
    Not a DOT controlled material (United States).
    DOT Classification
    PIN Number        Not applicable.    
    Proper Shipping Name        Not applicable.    
    Packing Group (PG)        Not applicable.    
    DOT Pictograms

Section XV. Other Regulatory Information and Pictograms
    TSCA Chemical Inventory        This compound is ON the EPA Toxic Substances Control Act (TSCA) inventory list.    
    (EPA)
    WHMIS Classification        On DSL.    
    (Canada)
    EINECS Number (EEC) 278-355-8
    EEC Risk Statements        R20/21/22- Harmful by inhalation, in contact with skin and if swallowed.    


SECTION 16 - ADDITIONAL INFORMATION
N/A

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