2,5-bis(p-toluidino)terephthalic acid

  • Name: 2,5-bis(p-toluidino)terephthalic acid
  • CAS: 10291-28-8
  • Purity: 99%
Inquiry

Details

Factory sells 2,5-bis(p-toluidino)terephthalic acid 10291-28-8 with sufficient production capacity

  • Molecular Formula: C22H20 N2 O4
  • Molecular Weight: 376.412
  • Vapor Pressure: 1.67E-14mmHg at 25°C 
  • Boiling Point: 584.5°Cat760mmHg 
  • Flash Point: 307.3°C 
  • Density: 1.348g/cm3 

10291-28-8 Relevant articles

Preparation method for quinacridone and derivatives of quinacridone

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Paragraph 0032, (2017/08/29)

The invention relates to the field of sy...

Method for preparing 2,5-di(substituted) arylamino terephthalic acid

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Paragraph 0038; 0039; 0032; 0033; 0034, (2016/10/07)

The invention relates to a method for pr...

Quinacridone nanoscale pigment particles

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Page/Page column 21-22, (2008/12/07)

A nanoscale pigment particle composition...

2,5-DI(METHOXYANILINO)TEREPHTHALIC ACID POLYMORPHS AND QUINACRIDONES REALIZED THEREFROM

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Page/Page column 11-12, (2008/06/13)

2,5-di(p-methoxyanilino)terephthalic aci...

10291-28-8 Process route

1,4-cyclohexanedione-2,5-di-carboxylic acid methyl ester
27712-87-4

1,4-cyclohexanedione-2,5-di-carboxylic acid methyl ester

<i>p</i>-toluidine
106-49-0,12221-03-3

p -toluidine

aniline
62-53-3

aniline

C<sub>21</sub>H<sub>18</sub>N<sub>2</sub>O<sub>4</sub>
67906-32-5

C21 H18 N2 O4

2,5-di(phenylamino)-terephthalic acid
10109-95-2

2,5-di(phenylamino)-terephthalic acid

2,5-di(4'-methylphenylamino)terephthalic acid
10291-28-8

2,5-di(4'-methylphenylamino)terephthalic acid

Conditions
Conditions Yield
1,4-cyclohexanedione-2,5-di-carboxylic acid methyl ester; p-toluidine; aniline; hydrogenchloride; In methanol; water; at 20 - 90 ℃; for 5.25h; under 0 Torr;
With sodium hydroxide; sodium 3-nitrobenzenesulfonate; In methanol; water; at 20 - 90 ℃; for 5.25h;
With hydrogenchloride; In water; at 30 - 40 ℃; for 0.5h;
1,4-cyclohexanedione-2,5-di-carboxylic acid methyl ester; p-toluidine; aniline; hydrogenchloride; In ethanol; water; at 20 - 78 ℃; for 4.25h;
With potassium hydroxide; sodium 3-nitrobenzenesulfonate; In ethanol; water; at 30 - 78 ℃; for 5.25h;
With hydrogenchloride; In water; at 30 - 40 ℃; for 0.5h; Product distribution / selectivity;
1,4-cyclohexanedione-2,5-di-carboxylic acid methyl ester; aniline; hydrogenchloride; In ethanol; water; at 20 - 78 ℃; for 2.75h;
p-toluidine; In ethanol; water; for 2.5h; Heating / reflux;
With hydrogenchloride; potassium hydroxide; sodium 3-nitrobenzenesulfonate; more than 3 stages; Product distribution / selectivity;
1,4-cyclohexanedione-2,5-di-carboxylic acid methyl ester; p-toluidine; hydrogenchloride; In ethanol; water; at 20 - 78 ℃; for 2.75h;
aniline; In ethanol; water; for 2.75h; Heating / reflux;
With hydrogenchloride; potassium hydroxide; sodium 3-nitrobenzenesulfonate; more than 3 stages; Product distribution / selectivity;
C<sub>21</sub>H<sub>18</sub>N<sub>2</sub>O<sub>4</sub>
67906-32-5

C21 H18 N2 O4

C<sub>21</sub>H<sub>18</sub>N<sub>2</sub>O<sub>5</sub>

C21 H18 N2 O5

C<sub>22</sub>H<sub>20</sub>N<sub>2</sub>O<sub>5</sub>

C22 H20 N2 O5

2,5-di(phenylamino)-terephthalic acid
10109-95-2

2,5-di(phenylamino)-terephthalic acid

2,5-di(4'-methylphenylamino)terephthalic acid
10291-28-8

2,5-di(4'-methylphenylamino)terephthalic acid

2,5-di(p-methoxyanilino)-3,6-dihydroterephthalic acid
41680-75-5

2,5-di(p-methoxyanilino)-3,6-dihydroterephthalic acid

Conditions
Conditions Yield

10291-28-8 Upstream products

  • 52944-79-3
    52944-79-3

    3,3'-Dimethoxycarbonylpropanoic anhydride

  • 106-49-0
    106-49-0

    p -toluidine

  • 27712-87-4
    27712-87-4

    1,4-cyclohexanedione-2,5-di-carboxylic acid methyl ester

  • 62-53-3
    62-53-3

    aniline

10291-28-8 Downstream products

  • 980-26-7
    980-26-7

    C. I. Pigment Red 122

  • 1047-16-1
    1047-16-1

    Quinacridone

  • 10228-01-0
    10228-01-0

    5,12-dihydro-2-methylquino[2,3-b]acridine-7,14-dione

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