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1,4-Phthalaldehyde (Terephthalaldehyde)

  • Product Name: 1,4-Phthalaldehyde (Terephthalaldehyde)
  • CAS: 623-27-8
  • Purity:
  • Appearance: white to light yellow crystalline powder

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Chinese Manufacturer supply 1,4-Phthalaldehyde (Terephthalaldehyde) 623-27-8 in stock with high standard

  • Molecular Formula:C8H6O2
  • Molecular Weight:134.134
  • Appearance/Colour:white to light yellow crystalline powder 
  • Vapor Pressure:0.027mmHg at 25°C 
  • Melting Point:114-116 °C(lit.) 
  • Refractive Index:1.622 
  • Boiling Point:246.5 °C at 760 mmHg 
  • Flash Point:101.7 °C 
  • PSA：34.14000 
  • Density:1.189 g/cm3 
  • LogP:1.31160 

Terephthalaldehyde(Cas 623-27-8) Usage

Synthesis Reference(s)

Organic Syntheses, Coll. Vol. 3, p. 788, 1955Tetrahedron Letters, 36, p. 2285, 1995 DOI: 10.1016/0040-4039(95)00191-E

Purification Methods

Terephthalaldehyde [623-27-8] M 134.1, m 116o, b 245 -248o/771mm. Crystallise terephthalaldehyde from water. [Beilstein 7 IV 2140.]

InChI:InChI=1/C8H6O2/c9-5-7-1-2-8(6-10)4-3-7/h1-6H

623-27-8 Relevant articles

4-(dibromomethyl)benzaldehyde and its reactions with primary amines

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A lanthanide-functionalized covalent triazine framework as a physiological molecular thermometer

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Crystalline covalent triazine frameworks...

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Synthesis of 4-(dibromomethyl)benzenecarbaldehyde and its reactions with N- and O-nucleophiles

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, p. 191 - 194 (2016)

4-(Dibromomethyl)benzenecarbaldehyde was...

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In this paper, we present the synthesis ...

A Magnetically Recyclable Palladium-Catalyzed Formylation of Aryl Iodides with Formic Acid as CO Source: A Practical Access to Aromatic Aldehydes

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Homogeneous liquid-phase oxidation of a ...

Radical induced disproportionation of alcohols assisted by iodide under acidic conditions

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The disproportionation of alcohols witho...

Samarium-based Grignard-type addition of organohalides to carbonyl compounds under catalysis of CuI

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Grignard-type additions were readily ach...

623-27-8 Process route

1,4-Divinylbenzene
105-06-6

1,4-Divinylbenzene

terephthalic acid
100-21-0

terephthalic acid

4-ethenylbenzoic acid
1075-49-6

4-ethenylbenzoic acid

4-vinyl-benzaldehyde
1791-26-0

4-vinyl-benzaldehyde

terephthalaldehyde,
623-27-8

terephthalaldehyde,

Conditions
Conditions Yield
With pyridine; dimethylsulfide; oxygen; ozone; Yield given. Multistep reaction; 1.) CH2Cl2, -78 deg C- -75 deg C, 5 hrs., 2.) CH2Cl2, r.t., 2 hrs.;
terephthaloyl chloride
100-20-9

terephthaloyl chloride

terephthalic acid
100-21-0

terephthalic acid

4-formylbenzoyl chloride
16173-52-7

4-formylbenzoyl chloride

terephthalaldehyde,
623-27-8

terephthalaldehyde,

benzaldehyde
100-52-7

benzaldehyde

4-Carboxybenzaldehyde
619-66-9

4-Carboxybenzaldehyde

Conditions
Conditions Yield
With hydrogen; thiourea; palladium on activated charcoal; In xylene; at 110 ℃; Product distribution; effects of catalyst support, solvents, kind of catalyst, and kind of modifier;
78 % Chromat.

623-27-8 Upstream products

  • 623-26-7
    623-26-7

    terephthalonitrile

  • 502-86-3
    502-86-3

    p-xylylene

  • 1592-31-0
    1592-31-0

    1,4-bis(dibromomethyl)benzene

  • 589-29-7
    589-29-7

    p-xylylene glycol

623-27-8 Downstream products

  • 16323-43-6
    16323-43-6

    1,4-phenylenediacrylic acid

  • 2695-78-5
    2695-78-5

    1,4-bis-(2,4-dinitro-styryl)-benzene

  • 27069-35-8
    27069-35-8

    1,4-bis-[trans-2-(1-methyl-pyridinium-2-yl)-vinyl]-benzene; diiodide

  • 23359-08-2
    23359-08-2

    4-formylcinnamic acid

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