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    Home > Bis (2-ethylhexyl) Adipate
    Bis (2-ethylhexyl) Adipate structure

    Bis (2-ethylhexyl) Adipate

    • CAS No:

      103-23-1

    • Formula:

      C22H42O4

    • Synonyms:

      Bis(2-Ethylhexyl)Adipat; Dioctyl Adipate; Bis(2-Ethylhexyl) Adipate; DEHA; Adipic Acid Dioctyl Ester;; Adipic Acid Di(2-Ethylhexyl) Ester; Di(2-Ethylhexyl) Adipate; Bis(2-Ethylhexyl) Hexanedioate; Hexanedioic Acid, Bis(2-Ethylhexyl) Ester

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    Description

    colourless oily liquidChEBI: A diester resulting from the formal condensation of the carboxy groups of adipic acid with 2-ethylhexan-1-ol. It is used as a plasticiser in the preparation of various polymers.Colorless to straw-colored liquid with a mild odor. Floats on water.

    Basic Attributes

    • 103-23-1

    • C22H42O4

    • 370.56600

    • 370.30800

    • 52.60000

    • 6.06600

    • 615-074-5

    • SAOKZLXYCUGLFA-UHFFFAOYSA-N

    • 4

    • 0

    • 19

    Characteristics

    • 0.928

    • -67ºC

    • 417ºC

    • 196ºC

    • 1.446-1.448

    • H2O: immiscible;immiscibleBis(2-ethylhexyl) adipate slowly hydrolyzes.

    • 2-8ºC

    • 8.35E-06mmHg at 25°C

    • Relative vapour density (air = 1): 12.8

    • Stable. Incompatible with oxidizing agents, water, nitrates.

    Safety Information

    • III

    • 9

    • 29171290

    • UN 1230 3/PG 2

    • 1

    • R40

    • S36/37-S45

    • AU9700000

    • Xn

    • Separated from strong oxidants and strong acids. Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access.

    • P264, P273, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362, P391, P501

    • H315

    • LOWER FLAMMABLE LIMIT: 0.4% BY VOLUME @ 242 DEG C

    • 0.24%(V)

    • LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit 8410 mg/kg

    Product Usage

    Plasticizer, commonly blended with general purpose plasticizers, such as di-n-octyl phthalate and diisooctyl phthalate in processing polyvinyl and other polymers, solvent, aircraft lubes.

    Production Methods

    General procedure: A (nano)biocatalyst (10–200 mg/l mmol of dicarboxylic acid) wasintroduced into a 10 mL round-bottom flask. Next, decane (20 wt. percent peracid, internal standard), solvent (0–2 mL/L mmol of acid), dicarboxylicacid (1.0 mmol) and alcohol (2.0–32.8 mmol) were successively added.The reaction mixture was then inserted into the thermostatic shaker(250 rpm) at 25–45 °C and the reaction was carried out for 2–24 h.During the reaction, 10 μl of the samples (diluted with acetonitrile)were periodically collected to monitor the reaction progress by GC-FID.After the completion of the reaction, the (nano)biocatalyst was filteredand washed with 20 mL of cyclohexane. The filtrate was concentratedusing a rotary evaporator (7 mbar, 110 °C, 6 h for di-n-butyl esters and5 mbar, 135 °C, 8 h for 2-ethylhexanol esters) to remove cyclohexaneand alcohols. The esters were purified by column chromatographyusing Al2O3 as the stationary phase and CH2Cl2 as the eluent. NMRspectra are available in Supplementary Information (Figs S9-S24).

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