• Name

  Disperse Red 11

• EINECS 220-703-8
• CAS No. 2872-48-2
• Article Data7
• CAS DataBase
• Density 1.429 g/cm³
• Solubility 693.4ug/L(25 oC)
• Melting Point 242 °C
• Formula C₁₅H₁₂N₂O₃
• Boiling Point 575.6 °C at 760 mmHg
• Molecular Weight 268.272
• Flash Point 322.4 °C
• Transport Information
• Appearance
• Safety 24/25
• Risk Codes R36/37/38
• Molecular Structure
• Hazard Symbols Xi
• Synonyms 1,4-Diamino-2-methoxyanthroquinone;Amacel Cerise B;C.I. 62015;C.I. SolventViolet 26;Celliton Fast Pink FF 3B;Celliton Pink FF 3B;Cilla Fast Pink FF 3B;Disperse BrilliantRose;Dispersol Red B 3B;Foron Brilliant Pink E 5BPW;Nacelan Pink 3B;Palanil Violet 6R;Samaron Red Violet F 3B;Setacyl Red P 3B;
• PSA 95.41000
• LogP 2.79740

Synthetic route

67-56-1

methanol

4095-85-6

1,4-diamino-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
With potassium hydroxide at 100 - 105℃; for 3h;	92%

4095-85-6

1,4-diamino-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
With sodium hydroxide

1-amino-4-bromo-2-methoxy-anthraquinone

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
With copper(I) sulfate; ammonia; copper(II) sulfate at 140 - 150℃; unter Druck;

1-amino-2-methoxy-4-nitro-anthraquinone

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
With sodium sulfide

1-benzoylamino-2-methoxy-4-nitro-anthraquinone

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
With sodium sulfide

10165-31-8

1,4-diamino-2-bromo-anthraquinone

139-02-6

sodium phenoxide

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
With phenol Erwaermen des Reaktionsprodukts mit methanol. Kalilauge;

16382-91-5

1,4-Diamino-2-hydroxyanthraquinone

77-78-1

dimethyl sulfate

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
With sodium hydroxide; acetone
With sodium carbonate; acetone

1-amino-4--9.10-dioxo-9.10-dihydro-anthracene-sulfonic acid-(2)

1-amino-4--9.10-dioxo-9.10-dihydro-anthracene-sulfonic acid-(2)

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
With potassium hydroxide Behandeln des Reaktionsprodukts mit Schwefelsaeure;

1-amino-4-bromo-2-methoxy-anthraquinone

7664-41-7

ammonia

7758-99-8

copper(II) sulfate

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

Conditions

Conditions	Yield
at 140 - 150℃; unter Druck;

...Expand

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

920-46-7

Methacryloyl chloride

52636-97-2

1-amino-4-methacryloylamino-2-methoxyanthraquinone

Conditions

Conditions	Yield
With triethylamine In toluene for 1.5h; Heating;	25%

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

920-46-7

Methacryloyl chloride

117977-96-5

1,4-bis(methacryloylamino)-2-methoxyanthraquinone

Conditions

Conditions	Yield
With triethylamine In nitrobenzene at 100℃;	21%

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

16382-91-5

1,4-Diamino-2-hydroxyanthraquinone

Conditions

Conditions	Yield
With sulfuric acid
With sulfuric acid for 24h; demethylation; Heating;
With sediment In water at 3.5℃; Kinetics; Further Variations:; Reagents; Temperatures; Decomposition;

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

541-41-3

chloroformic acid ethyl ester

101732-19-8

(4-amino-3-methoxy-9,10-dioxo-9,10-dihydro-[1]anthryl)-carbamic acid ethyl ester

Conditions

Conditions	Yield
With potassium carbonate; benzene

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

107-07-3

2-chloro-ethanol

109809-16-7

4-amino-1-(2-hydroxy-ethylamino)-2-methoxy-anthraquinone

Conditions

Conditions	Yield
With magnesium oxide

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

625-36-5

2-chloropropionyl chloride

20210-35-9

1,4-Bis-(β-chlor-propionylamino)-2-methoxy-anthrachinon

108-86-1

bromobenzene

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

90791-37-0

1-amino-2-methoxy-4-anilinoanthraquinone

Conditions

Conditions	Yield
With potassium acetate; copper(l) chloride In nitrobenzene at 198 - 206℃; for 5h; Yield given;

106-38-7

para-bromotoluene

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

90791-38-1

1-Amino-2-methoxy-4-p-tolylamino-anthraquinone

Conditions

Conditions	Yield
With potassium acetate; copper(l) chloride In nitrobenzene for 5h; Heating; Yield given;

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

10165-33-0

1-Amino-2-methoxyanthraquinone

Conditions

Conditions	Yield
With sulfuric acid for 24h; Deamination;

2872-48-2

1,4-diamino-2-methoxy-9,10-anthraquinone

18708-31-1

1,4-Bis-(acryloylamino)-2-methoxy-anthrachinon

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: Et3N View Scheme

Disperse Red 11 Chemical Properties

Disperse Red 11 Uses

Disperse Red 11 Toxicity Data With Reference

Disperse Red 11 Consensus Reports

Disperse Red 11 Safety Profile