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squaric acid dibutyl ester

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Origin: China

Cas No: 2892-62-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 2892-62-8 Formula: C12H18O4 Molecular Weight: 226.26900

    Basic Info

    Chemical Name squaric acid dibutyl ester
    Synonyms

    3,4-Dibutoxycyclobut-3-ene-1,2-dione;
    3,4-di-n-Butoxy-3-cyclobutene-1,2-dione;
    3,4-Dibutoxy-3-cyclobutene-1,2-dione;
    SADBE;
    1,2-dibutyl squarate;
    dibutylsquarate;
    1,2-dibutoxy-1-cyclobutene-3,4-dione;
    Squaric Acid Dibutyl Ester;
    Dibutyl squarate;
    3,4-di-n-butyl-3-cyclobutene-1,2-dione;
    Squaric acid dibutylester;

    CAS No. 2892-62-8
    Molecular Formula C12H18O4
    Molecular Weight 226.26900
    PSA 52.60000
    LogP 1.98320

    Properties

    Appearance & Physical State Clear slightly yellow liquid
    Density 0.965
    Boiling Point 121-122ºC (0.2 mmHg)
    Flash Point 157.2ºC
    Refractive Index 1.493-1.495
    Water Solubility INSOLUBLE
    Vapor Pressure 3.64E-05mmHg at 25°C

    Safety Info

    RTECS GU1772066
    Safety Statements S26-S27-S36/37/39-S45
    HS Code 2914509090
    WGK Germany 3
    Risk Statements R36/37/38; R42/43
    Hazard Codes Xn

    Synthesis Route

    squaric acid+n-Butanol→squaric acid dibutyl ester
    2,3,4,4-tetrachlorocyclobut-2-en-1-one+n-Butanol→squaric acid dibutyl ester
    TRIBUTYL ORTHOFORMATE+squaric acid→squaric acid dibutyl ester

    Precursor

    TRIBUTYL ORTHOFORMATE
    squaric acid
    2,3,4,4-tetrachlorocyclobut-2-en-1-one
    n-Butanol

    Downstream Product

    3-butoxy-4-(2-methoxyethoxy)cyclobut-3-ene-1,2-dione
    3-butoxy-4-(2-methylbutoxy)cyclobut-3-ene-1,2-dione
    1,3-BIS(2-HYDROXY-4-DIETHYLAMINO-PHENYL)-2-OXO-CYCLOBUTENYLIUM-4-OLAT
    3,4-bis(butylamino)cyclobut-3-ene-1,2-dione

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