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  • Tris(2-ethylhexyl) Phosphate

    Catalog Number
    ACM78422-3
    CAS Number
    78-42-2
    Product Name
    Tris(2-ethylhexyl) Phosphate
    Structure
    Category
    Battery Materials; Plastic Additives; Plasticizers
    Synonyms
    Phosphoric Acid Trioctyl Ester
    Description
    Tris(2-ethylhexyl)phosphate is a clear colorless to pale yellow liquid with a slight sharp odor. (NTP, 1992);Liquid;COLOURLESS VISCOUS LIQUID.
    IUPAC Name
    tris(2-ethylhexyl) phosphate
    Molecular Weight
    434.64
    Molecular Formula
    C24H51O4P
    Canonical SMILES
    CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC
    InChI
    InChI=1S/C24H51O4P/c1-7-13-16-22(10-4)19-26-29(25,27-20-23(11-5)17-14-8-2)28-21-24(12-6)18-15-9-3/h22-24H,7-21H2,1-6H3
    InChI Key
    GTVWRXDRKAHEAD-UHFFFAOYSA-N
    Boiling Point
    110.6 °C
    Melting Point
    -93 °C
    Flash Point
    40 °F (4 °C) (cc)
    Purity
    >98.0%(GC)
    Density
    0.92 g/mL (25 ℃)
    Solubility
    soluble in Ether,Alcohol,Acetone
    Appearance
    Colorless to Almost colorless clear liquid
    Application
    Tris(2-ethylhexyl) phosphate serves primarily as a plasticizer for vinyl plastics and synthetic rubber compounds, enhancing their flexibility and durability. It is a clear, viscous liquid that plays a crucial role in various applications. Notably, it is an essential component in vinyl stabilizers, grease additives, and flame-proofing compositions. Its unique properties also make it valuable as a specialty flame-retardant plasticizer, especially where low-temperature flexibility is vital, such as in military tarpaulins. Furthermore, Tris(2-ethylhexyl) phosphate can be effectively blended with general-purpose plasticizers like phthalate esters to augment low-temperature performance. Additionally, it functions as a solvent and antifoaming agent.
    Storage
    Ambient (>5 °C)
    Complexity
    345
    Covalently-Bonded Unit Count
    1
    EC Number
    201-116-6
    Exact Mass
    434.352497g/mol
    Formal Charge
    0
    Hazard Statements
    H315 : Causes skin irritation.H319 : Causes serious eye irritation.
    Heavy Atom Count
    29
    ICSC Number
    0968
    MDL Number
    MFCD00009491
    MeSH Entry Terms
    2-ethyl-1-hexanol phosphate;tris(2-ethylhexyl)phosphate
    Monoisotopic Mass
    434.352497g/mol
    NSC Number
    407921
    Precautionary Statements
    P264 : Wash skin thoroughly after handling.P280 : Wear protective gloves/ eye protection/ face protection.P337 + P313 : If eye irritation persists: Get medical advice/ attention.P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.P332 + P313 : If skin irritation occurs: Get medical advice/ attention.P362 : Take off contaminated clothing and wash before reuse.
    Refractive Index
    1.44
    Rotatable Bond Count
    21
    RTECS Number
    MP0770000
    Signal Word
    Warning
    Specific Gravity
    0.93
    UNII
    BQC0BKB72S
    Vapor Density
    14.95 (NTP, 1992) (Relative to Air);Relative vapor density (air = 1): 15
    Vapor Pressure
    1.9 mm Hg at 392 °F (NTP, 1992);8.25e-08 mmHg;Vapor pressure, Pa at 20 °C:
    XLogP3
    8.9
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