Product Name

  • Name

    Quinacridone

  • EINECS 213-879-2
  • CAS No. 1047-16-1
  • Article Data17
  • CAS DataBase
  • Density 1.371 g/cm3
  • Solubility Insoluble in water
  • Melting Point 390 °C
  • Formula C20H12N2O2
  • Boiling Point 568.5 °C at 760 mmHg
  • Molecular Weight 312.327
  • Flash Point 221.3 °C
  • Transport Information
  • Appearance red powder
  • Safety 24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 1047-16-1 (Quinacridone)
  • Hazard Symbols
  • Synonyms Cinquasia Violet R;Dark violet;Fastogen Red 7094Y;Hostaperm Red E 2B70;Hostaperm Red E 3B;HostapermRed E 5B;Hostaperm Red E 5B02;Hostaperm Red E 5B02IN;Hostaperm Red VioletER;Hostaperm Red Violet ER 02;Hostaperm Red Violet ER 02-13-7011;HostapermRed Violet ERX;Hostaperm Red Violet ERX-WD;Ink Jet Magenta E 5B02VP2984;Lionogen Magenta FG 5700;Lionogen Red 5700;Magenta RT 238D;Magenta RT 355D;Mobay R 6700;Monastral Red;Monastral Red B;Monastral Red B-RT 796D;Monastral Red RT 759D;Monastral Red RT 790D;PV Fast Violet ER;PaliogenRed BG;Paliogen Red L 4470;Permanent magenta;Pigment Pink Quinacridone S;PigmentQuinacridone Red;Pigment Violet 19;Pigment Violet GC 227A;Pigment VioletQuinacridone;Polytrend 850-9440;Quinacridone Red MC;Quinacridone Red Y;Quinacridone Violet MC;5,12-Dihydroquino[2,3-b]acridine-7,14-dione;5,7,12,14-Tetrahydro[2,3-b]quinolinoacridine;Acramin Pink BC;Acramin Pink BN;
  • PSA 65.72000
  • LogP 3.67600

Synthetic route

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

2,5-di(phenylamino)-terephthalic acid

Quinacridone
1047-16-1

Quinacridone

Conditions
ConditionsYield
With polyphosphoric acid PPA at 125℃; for 6h; Dieckmann Condensation;99.43%
With PPA at 20 - 130℃; for 1.5h; Product distribution / selectivity;90%
With boric acid
5,6,12,13-tetrahydro-quino[2,3-b]acridine-7,14-dione
5862-38-4

5,6,12,13-tetrahydro-quino[2,3-b]acridine-7,14-dione

Quinacridone
1047-16-1

Quinacridone

Conditions
ConditionsYield
Stage #1: 5,6,12,13-tetrahydro-quino[2,3-b]acridine-7,14-dione With sodium hydroxide In methanol; water at 20 - 30℃; for 0.5h;
Stage #2: With sulfuric acid In methanol; water for 1h; Heating / reflux;
Stage #3: With sodium 3-nitrobenzenesulfonate In methanol; water for 4h; Product distribution / selectivity; Heating / reflux;
99%
Stage #1: 5,6,12,13-tetrahydro-quino[2,3-b]acridine-7,14-dione With sodium methylate In methanol at 20 - 50℃; for 0.25h;
Stage #2: With sodium 3-nitrobenzenesulfonate In methanol for 4h; Product distribution / selectivity; Heating / reflux;
98%
Stage #1: 5,6,12,13-tetrahydro-quino[2,3-b]acridine-7,14-dione With polyvinyl pyrrolidone In methanol at 20 - 27℃; for 0.166667h;
Stage #2: With sodium hydroxide In methanol; water at 50 - 53℃; for 0.833333h; Heating / reflux;
Stage #3: With dihydrogen peroxide; anthraquinone-2,7-disulfonic acid In methanol; water for 0.166667h; Product distribution / selectivity; Heating / reflux;
2,5-dianilino-3,6-dihydroterephthalic acid diethyl ester
4898-56-0

2,5-dianilino-3,6-dihydroterephthalic acid diethyl ester

Quinacridone
1047-16-1

Quinacridone

Conditions
ConditionsYield
With diphenylether; biphenyl Erhitzen des Reaktionsprodukts mit dem Natrium-Salz der 3-Nitro-benzolsulfonsaeure in wss. NaOH und Aethylenglykol;
With diphenylether; biphenyl Erhitzen des Reaktionsprodukts mit dem Natrium-Salz der 3-Nitro-benzolsulfonsaeure in wss.-aethanol. NaOH;
C21H18N2O4
67906-32-5

C21H18N2O4

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

A

Quinacridone
1047-16-1

Quinacridone

B

C.I. Pigment Red 122
980-26-7

C.I. Pigment Red 122

C

5,12-dihydro-2-methylquino[2,3-b]acridine-7,14-dione
10228-01-0

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

Conditions
ConditionsYield
With PPA at 90 - 125℃; for 3h;
With PPA at 90 - 125℃; for 3h;
With PPA at 90 - 125℃; for 3h;
With PPA at 90 - 125℃; for 3h;
6,13-dihydroquinacridone-di-sodium salt

6,13-dihydroquinacridone-di-sodium salt

Quinacridone
1047-16-1

Quinacridone

Conditions
ConditionsYield
Stage #1: 6,13-dihydroquinacridone-di-sodium salt With dihydrogen peroxide; anthraquinone-2,7-disulphonic acid disodium salt In methanol; water at 20 - 60℃; for 0.25h; Heating / reflux;
Stage #2: In water
2,5-dianilinoterephthalic acid dimethyl ester
14297-60-0

2,5-dianilinoterephthalic acid dimethyl ester

Quinacridone
1047-16-1

Quinacridone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium hydroxide / 3 h / 110 °C / Reflux
2: polyphosphoric acid PPA / 6 h / 125 °C
View Scheme
2,5-di(phenylamino)-terephthalic acid
10109-95-2

2,5-di(phenylamino)-terephthalic acid

C22H17N3O3

C22H17N3O3

A

Quinacridone
1047-16-1

Quinacridone

B

C21H13N3O2

C21H13N3O2

Conditions
ConditionsYield
With polyphosphoric acid at 120 - 130℃; for 2h;
p-formaldehyde

p-formaldehyde

Quinacridone
1047-16-1

Quinacridone

3,4,9,10-perylene tetracarboxyxlic acid diimide
81-33-4

3,4,9,10-perylene tetracarboxyxlic acid diimide

C66H34N6O8

C66H34N6O8

Conditions
ConditionsYield
Stage #1: p-formaldehyde; 3,4,9,10-perylene tetracarboxyxlic acid diimide With polyphosporic acid at 105℃; for 1.5h;
Stage #2: Quinacridone at 125℃; for 3h;
100%
Stage #1: p-formaldehyde; 3,4,9,10-perylene tetracarboxyxlic acid diimide With sulfuric acid at 45℃; for 1h;
Stage #2: Quinacridone at 45℃; for 3h;
99.7%
Stage #1: p-formaldehyde; 3,4,9,10-perylene tetracarboxyxlic acid diimide With sulfuric acid; sulfur trioxide at 45℃; for 1h;
Stage #2: Quinacridone at 45℃; for 3h;
89%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

Quinacridone
1047-16-1

Quinacridone

N,N-di(tert-butylcarboxyl)-trans-quinacridone

N,N-di(tert-butylcarboxyl)-trans-quinacridone

Conditions
ConditionsYield
With dmap In tetrahydrofuran at 20℃; regioselective reaction;99%
With dmap In dichloromethane at 20℃; for 24h; Inert atmosphere; Schlenk technique;65.5%
With dmap In tetrahydrofuran at 20℃; for 24h;60%
With dmap In tetrahydrofuran at 20℃; Inert atmosphere; Schlenk technique; Darkness;58%
With dmap In dichloromethane at 20℃; for 48h; Inert atmosphere;56%
Quinacridone
1047-16-1

Quinacridone

chloroacetyl chloride
79-04-9

chloroacetyl chloride

2,9-dichloroacetylquinacridone

2,9-dichloroacetylquinacridone

Conditions
ConditionsYield
With aluminum (III) chloride In 1,2-dichloro-ethane at 0℃; for 24h;97%
1-tert-butyl-4-iodobenzene
35779-04-5

1-tert-butyl-4-iodobenzene

Quinacridone
1047-16-1

Quinacridone

N,N'-bis(4-tert-butylphenyl)quinacridone

N,N'-bis(4-tert-butylphenyl)quinacridone

Conditions
ConditionsYield
With copper(l) iodide; 2,2,6,6-tetramethylheptane-3,5-dione; potassium carbonate In N,N-dimethyl-formamide at 146℃; for 36h; Inert atmosphere;96%
4-Iodobenzotrifluoride
455-13-0

4-Iodobenzotrifluoride

Quinacridone
1047-16-1

Quinacridone

N,N'-bis(4-trifluoromethylphenyl)quinacridone

N,N'-bis(4-trifluoromethylphenyl)quinacridone

Conditions
ConditionsYield
With copper(l) iodide; 2,2,6,6-tetramethylheptane-3,5-dione; potassium carbonate In N,N-dimethyl-formamide at 146℃; for 36h; Inert atmosphere;96%
Quinacridone
1047-16-1

Quinacridone

Methyl benzenesulfonate
80-18-2

Methyl benzenesulfonate

5,12-dihydro-5,12-dimethylquino[2,3-b]acridine-7,14-dione
19205-19-7

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

Conditions
ConditionsYield
With sodium hydroxide; benzyltrimethylammonium chloride In chlorobenzene at 80℃; for 7h; Product distribution; other base, other solvent, with or without phase transfer;94%
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In chlorobenzene at 80℃; for 7h;94%
para-iodoanisole
696-62-8

para-iodoanisole

Quinacridone
1047-16-1

Quinacridone

5,12-bis(4-methoxyphenyl)quinolino[2,3-b]acridine-7,14(5H,12H)-dione

5,12-bis(4-methoxyphenyl)quinolino[2,3-b]acridine-7,14(5H,12H)-dione

Conditions
ConditionsYield
With copper(l) iodide; 2,2,6,6-tetramethylheptane-3,5-dione; potassium carbonate In N,N-dimethyl-formamide at 146℃; for 36h; Inert atmosphere;94%
Ethyl benzenesulfonate
515-46-8

Ethyl benzenesulfonate

Quinacridone
1047-16-1

Quinacridone

N,N'-Diethylquinacridone
99762-78-4

N,N'-Diethylquinacridone

Conditions
ConditionsYield
With sodium hydroxide; cetyltrimethylammonium chloride In water; chlorobenzene at 80℃; for 10h;92%
With sodium hydroxide; cetyltrimethylammonium chloride In water; chlorobenzene at 80℃; for 5h; Product distribution; different reactant-reagent ratios, different reaction time;87%
Quinacridone
1047-16-1

Quinacridone

dimethyl sulfate
77-78-1

dimethyl sulfate

5,12-dihydro-5,12-dimethylquino[2,3-b]acridine-7,14-dione
19205-19-7

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

Conditions
ConditionsYield
With sodium hydroxide; quaternary ammonium salt In chlorobenzene at 80℃; for 5h; Product distribution; other base, other solvent, with or without phase transfer;92%
With sodium hydroxide; alkyl(C10-C16)-trimethylammonium chloride In chlorobenzene at 80℃; for 5h;92%
Quinacridone
1047-16-1

Quinacridone

methyl iodide
74-88-4

methyl iodide

5,12-dihydro-5,12-dimethylquino[2,3-b]acridine-7,14-dione
19205-19-7

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

Conditions
ConditionsYield
With potassium hydroxide In various solvent(s) at 80℃; for 6h; Product distribution; other base, other solvent, with or without phase transfer;92%
With potassium hydroxide In various solvent(s) at 80℃; for 6h;92%
With tetra-(n-butyl)ammonium iodide; sodium hydroxide In toluene for 10h; Reflux;25%
Quinacridone
1047-16-1

Quinacridone

ethyl ester of p-toluenesulfonic acid
80-40-0

ethyl ester of p-toluenesulfonic acid

N,N'-Diethylquinacridone
99762-78-4

N,N'-Diethylquinacridone

Conditions
ConditionsYield
With sodium hydroxide; cetyltrimethylammonium chloride In water; chlorobenzene at 80℃; for 12h;91%
1-bromo-octane
111-83-1

1-bromo-octane

Quinacridone
1047-16-1

Quinacridone

5,12-dihydroquino<2,3-b>acridine-7,14-dione

5,12-dihydroquino<2,3-b>acridine-7,14-dione

Conditions
ConditionsYield
With tetrabutylammomium bromide; sodium hydride In tetrahydrofuran Inert atmosphere;91%
With tetrabutylammomium bromide; caesium carbonate In dimethyl sulfoxide at 25℃; for 4h; Solvent; Reagent/catalyst;85%
Stage #1: Quinacridone With tetrabutylammomium bromide; caesium carbonate In dimethyl sulfoxide at 20℃; for 4h;
Stage #2: 1-bromo-octane In dimethyl sulfoxide for 24h;
82%
With N,N,N,N,N,N-hexamethylphosphoric triamide; sodium hydride In mineral oil; benzene at 20℃; for 174h;64%
With tetrabutylammomium bromide; sodium hydroxide In toluene for 24h; Reflux;24.9%
diethyl sulfate
64-67-5

diethyl sulfate

Quinacridone
1047-16-1

Quinacridone

N,N'-Diethylquinacridone
99762-78-4

N,N'-Diethylquinacridone

Conditions
ConditionsYield
With sodium hydroxide; cetyltrimethylammonium chloride In water; chlorobenzene at 80℃; for 7h;90%
Quinacridone
1047-16-1

Quinacridone

ethyl iodide
75-03-6

ethyl iodide

N,N'-Diethylquinacridone
99762-78-4

N,N'-Diethylquinacridone

Conditions
ConditionsYield
With sodium hydroxide; cetyltrimethylammonium chloride In water; chlorobenzene at 80℃; for 13h;89%
1-bromo-butane
109-65-9

1-bromo-butane

Quinacridone
1047-16-1

Quinacridone

N,N’-dibutylquinacridone
99762-80-8

N,N’-dibutylquinacridone

Conditions
ConditionsYield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In water; toluene at 80℃; for 12h;87%
Stage #1: Quinacridone With tetrabutylammomium bromide; potassium hydroxide In water; toluene at 95℃;
Stage #2: 1-bromo-butane In water; toluene at 95℃; for 24h;
80%
3,5-di-tert-butylbenzyl bromide
62938-08-3

3,5-di-tert-butylbenzyl bromide

Quinacridone
1047-16-1

Quinacridone

5,12-bis-(3,5-di-tert-butyl-benzyl)-5,12-dihydro-quino[2,3-b]acridine-7,14-dione

5,12-bis-(3,5-di-tert-butyl-benzyl)-5,12-dihydro-quino[2,3-b]acridine-7,14-dione

Conditions
ConditionsYield
With potassium hydroxide; tetrabutylammomium bromide In water; toluene for 4h; Heating;87%
With sodium hydroxide; tetra-(n-butyl)ammonium iodide In toluene at 80℃; for 32h;76%
Quinacridone
1047-16-1

Quinacridone

benzyl chloride
100-44-7

benzyl chloride

5,12-Dibenzyl-5,12-dihydro-quino[2,3-b]acridine-7,14-dione
99762-81-9

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

Conditions
ConditionsYield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In water; toluene at 80℃; for 11h;85%
1-bromo dodecane
112-29-8

1-bromo dodecane

Quinacridone
1047-16-1

Quinacridone

N,N′-didecylquinacridone

N,N′-didecylquinacridone

Conditions
ConditionsYield
With tetrabutylammomium bromide; sodium hydroxide In dimethyl sulfoxide at 20℃; for 24h;85%
Quinacridone
1047-16-1

Quinacridone

1-dodecylbromide
143-15-7

1-dodecylbromide

C44H60N2O2

C44H60N2O2

Conditions
ConditionsYield
Stage #1: Quinacridone With tetrabutylammomium bromide; caesium carbonate In dimethyl sulfoxide at 20℃; for 4h;
Stage #2: 1-dodecylbromide In dimethyl sulfoxide at 20 - 90℃; for 26h; Concentration; Reagent/catalyst;
84%
Stage #1: Quinacridone With tetrabutylammomium bromide; caesium carbonate In dimethyl sulfoxide at 30℃; for 4h;
Stage #2: 1-dodecylbromide In dimethyl sulfoxide at 20 - 90℃; for 26h;
80%
Quinacridone
1047-16-1

Quinacridone

1-chloro-2-(chloromethyl)benzene
611-19-8

1-chloro-2-(chloromethyl)benzene

5,12-Bis-(2-chloro-benzyl)-5,12-dihydro-quino[2,3-b]acridine-7,14-dione
99762-82-0

5,12-Bis-(2-chloro-benzyl)-5,12-dihydro-quino[2,3-b]acridine-7,14-dione

Conditions
ConditionsYield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In water; toluene at 80℃; for 12h;82%
Quinacridone
1047-16-1

Quinacridone

1-Chloro-4-(chloromethyl)benzene
104-83-6

1-Chloro-4-(chloromethyl)benzene

5,12-Bis-(4-chloro-benzyl)-5,12-dihydro-quino[2,3-b]acridine-7,14-dione
99762-83-1

5,12-Bis-(4-chloro-benzyl)-5,12-dihydro-quino[2,3-b]acridine-7,14-dione

Conditions
ConditionsYield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In water; toluene at 80℃; for 9h;81%
Quinacridone
1047-16-1

Quinacridone

4-Methylbenzyl chloride
104-82-5

4-Methylbenzyl chloride

5,12-Bis-(4-methyl-benzyl)-5,12-dihydro-quino[2,3-b]acridine-7,14-dione
99762-84-2

5,12-Bis-(4-methyl-benzyl)-5,12-dihydro-quino[2,3-b]acridine-7,14-dione

Conditions
ConditionsYield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In water; toluene at 80℃; for 10h;80%
6-bromo-hexanoic acid ethyl ester
25542-62-5

6-bromo-hexanoic acid ethyl ester

Quinacridone
1047-16-1

Quinacridone

methyl iodide
74-88-4

methyl iodide

ethyl 6-(12-methyl-7,14-dioxo-12,14-dihydroquinolino[2,3-b]acridin-5(7H)-yl)hexanoate

ethyl 6-(12-methyl-7,14-dioxo-12,14-dihydroquinolino[2,3-b]acridin-5(7H)-yl)hexanoate

Conditions
ConditionsYield
Stage #1: Quinacridone With sodium hydride In dimethyl sulfoxide; N,N-dimethyl-formamide at 60℃; for 0.666667h;
Stage #2: 6-bromo-hexanoic acid ethyl ester In dimethyl sulfoxide; N,N-dimethyl-formamide for 8h;
Stage #3: methyl iodide In dimethyl sulfoxide; N,N-dimethyl-formamide
78%
Quinacridone
1047-16-1

Quinacridone

1,3-bis{[3,5-bis(tert-butyl)benzyl]oxy}-5-(bromomethyl)benzene
213680-85-4

1,3-bis{[3,5-bis(tert-butyl)benzyl]oxy}-5-(bromomethyl)benzene

5,12-bis-[3,5-bis-(3,5-di-tert-butyl-benzyloxy)-benzyl]-5,12-dihydro-quino[2,3-b]acridine-7,14-dione

5,12-bis-[3,5-bis-(3,5-di-tert-butyl-benzyloxy)-benzyl]-5,12-dihydro-quino[2,3-b]acridine-7,14-dione

Conditions
ConditionsYield
With sodium hydroxide; tetra-(n-butyl)ammonium iodide In toluene at 80℃; for 32h;76%
With potassium hydroxide; tetrabutylammomium bromide In water; toluene for 4h; Heating;74%
1,3-propanesultone
1120-71-4

1,3-propanesultone

Ph4PCl

Ph4PCl

Quinacridone
1047-16-1

Quinacridone

2C24H20P(1+)*C26H22N2O8S2(2-)

2C24H20P(1+)*C26H22N2O8S2(2-)

Conditions
ConditionsYield
Stage #1: 1,3-propanesultone; Quinacridone With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 80℃;
Stage #2: Ph4PCl In water
75%
1-iodo-butane
542-69-8

1-iodo-butane

Quinacridone
1047-16-1

Quinacridone

N,N’-dibutylquinacridone
99762-80-8

N,N’-dibutylquinacridone

Conditions
ConditionsYield
Stage #1: Quinacridone With tetrabutylammomium bromide; sodium hydroxide In dimethyl sulfoxide at 20℃; for 2h;
Stage #2: 1-iodo-butane In dimethyl sulfoxide at 80℃; for 6h; Inert atmosphere;
75%
Quinacridone
1047-16-1

Quinacridone

C98H80O24S6(6-)*6Na(1+)

C98H80O24S6(6-)*6Na(1+)

2C20H12N2O2*C98H80O24S6(6-)*6Na(1+)

2C20H12N2O2*C98H80O24S6(6-)*6Na(1+)

Conditions
ConditionsYield
In water at 20℃; for 0.666667h; Sonication;70%
1-Iodooctane
629-27-6

1-Iodooctane

Quinacridone
1047-16-1

Quinacridone

5,12-dihydroquino<2,3-b>acridine-7,14-dione

5,12-dihydroquino<2,3-b>acridine-7,14-dione

Conditions
ConditionsYield
Stage #1: Quinacridone With tetrabutylammomium bromide; sodium hydroxide In dimethyl sulfoxide at 20℃; for 2h;
Stage #2: 1-Iodooctane In dimethyl sulfoxide at 80℃; for 6h; Inert atmosphere;
70%

Pigment Violet 19 Specification

The CAS registry number of Pigment Violet 19 is 1047-16-1. Its EINECS registry number is 213-879-2. The IUPAC is 5,12-dihydroquinolino[2,3-b]acridine-7,14-dione. In addition, the molecular formula is C20H12N2O2 and the molecular weight is 312.32. It is also called quino(2,3-b)acridine-7,14-dione, 5,12-dihydro-. What's more, it belongs to the classes of Electroluminescence; Functional Materials; Highly Purified Reagents; Other Categories; Refined Products by Sublimation. And it should be stored in a cool and dry place.

Physical properties about this chemical are: (1)ACD/LogP: 2.53; (2)ACD/LogD (pH 5.5): 2.53; (3)ACD/LogD (pH 7.4): 2.53; (4)ACD/BCF (pH 5.5): 49.2; (5)ACD/BCF (pH 7.4): 49.2; (6)ACD/KOC (pH 5.5): 565.85; (7)ACD/KOC (pH 7.4): 565.85; (8)#H bond acceptors: 4; (9)#H bond donors: 2; (10)Polar Surface Area: 40.62 Å2; (11)Index of Refraction: 1.702; (12)Molar Refractivity: 88.29 cm3; (13)Molar Volume: 227.7 cm3; (14)Polarizability: 35 ×10-24cm3; (15)Surface Tension: 58.6 dyne/cm; (16)Density: 1.371 g/cm3; (17)Flash Point: 221.3 °C; (18)Enthalpy of Vaporization: 85.31 kJ/mol; (19)Boiling Point: 568.5 °C at 760 mmHg; (20)Vapour Pressure: 6.14E-13 mmHg at 25°C.

Uses of Pigment Violet 19: It is used as a pigment to make high performance paints. And it can also be used in artist's paints, including oils, acrylics, and watercolors. In addition, it can react with 2-iodo-propane to get 5,12-diisopropyl-5,12-dihydro-quino[2,3-b]acridine-7,14-dione. This reaction will need reagent 50percent NaOH, catalyst triethylbenzylammonium chloride and solvents toluene and H2O. The reaction time is 32 hours at reaction temperature of 80 °C. The yield is about 50%.

Pigment Violet 19 can react with 2-iodo-propane to get 5,12-diisopropyl-5,12-dihydro-quino[2,3-b]acridine-7,14-dione

You can still convert the following datas into molecular structure:
(1)SMILES: O=C4c5ccccc5Nc3cc2C(=O)c1c(cccc1)Nc2cc34
(2)InChI: InChI=1/C20H12N2O2/c23-19-11-5-1-3-7-15(11)21-17-10-14-18(9-13(17)19)22-16-8-4-2-6-12(16)20(14)24/h1-10H,(H,21,23)(H,22,24)
(3)InChIKey: NRCMAYZCPIVABH-UHFFFAOYAK

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD skin > 2mL/kg (2mL/kg)   National Technical Information Service. Vol. OTS0533795,
rat LD50 oral > 20mL/kg (20mL/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
National Technical Information Service. Vol. OTS0533794,

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