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Name	Pigment Red 202	EINECS	221-424-4
CAS No.	3089-17-6	Density	1.514 g/cm³
PSA	65.72000	LogP	4.98280
Solubility	N/A	Melting Point	N/A
Formula	C₂₀H₁₀Cl₂N₂O₂	Boiling Point	629.4 °C at 760 mmHg
Molecular Weight	381.218	Flash Point	334.5 °C
Transport Information	N/A	Appearance	N/A
Safety		Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione;2,9-Dichloroquinacridone;C.I. 73907;C.I. Pigment Red 202;Cinquasia MagentaB-RT 343D;Cinquasia Magenta L-RT 265D;Cinquasia Magenta RT 235D;Cinquasia Magenta TR 235-6;Cinquasia Red RT 343D;Fastogen Super Magenta HS 01;Magenta R 6713;Magenta RT 235D;Microlith Magenta 5B-K;Monastral Magenta RT 243D;Monastral Magenta RT 343D;Monastral RT 891;PR 202;Pigment Red 202;Quinacridone Magenta B;Quindo MagentaRV 6853;RT 343D;Sunfast 228-6275;Sunfast Magenta Presscake 202;	Article Data	4

Pigment Red 202 Synthetic route

: 41680-76-6
2,5-di(4-chloro-anilino)terephthalic acid

: 3089-17-6
2,9-dichloroquinacridone

Conditions

Conditions	Yield
With polyphosphoric acid PPA at 125℃; for 6h; Dieckmann Condensation; Reflux;	99.53%

: 3089-17-6
2,9-dichloroquinacridone

: 252210-01-8
dimethyl 5-chloromethyl-1,3-benzenedicarboxylate

: 937371-89-6
QAD-3

Conditions

Conditions	Yield
Stage #1: 2,9-dichloroquinacridone With potassium tert-butylate In dimethyl sulfoxide at 110℃; for 1h; Stage #2: dimethyl 5-chloromethyl-1,3-benzenedicarboxylate In dimethyl sulfoxide at 40℃; for 4h;	100%

: 3089-17-6
2,9-dichloroquinacridone

: 109-77-3
malononitrile

: 2,2'-(2,9-dichloro-5,12-dioctylquinolino[2,3-b]acridine-7,14(5H,12H)-diylidene)dimalononitrile

Conditions

Conditions	Yield
Stage #1: 2,9-dichloroquinacridone With N,N-dimethyl-formamide; trichlorophosphate In 1,2-dichloro-ethane at 60℃; for 2h; Stage #2: malononitrile With 2,4,6-trimethyl-pyridine In 1,2-dichloro-ethane at 20℃; for 48h;	58%

: 4-heptylpyrocarbonate

: 3089-17-6
2,9-dichloroquinacridone

: C36H38Cl2N2O6

: C22H34O5

: 3089-17-6
2,9-dichloroquinacridone

: C42H42Cl2N2O6

: C22H38O5

: 3089-17-6
2,9-dichloroquinacridone

: C42H46Cl2N2O6

: C20H22O5

: 3089-17-6
2,9-dichloroquinacridone

: C40H30Cl2N2O6

: 50-00-0
formaldehyd

: 130-14-3
sodium 1-naphthalenesulfonate

: 532-02-5
2-naphthalenesulfonic acid sodium salt

: 3089-17-6
2,9-dichloroquinacridone

poly(formaldehyde-co-1-naphtalene sulfonic acid sodium salt-co-2-naphtalene sulfonic acid sodium salt); 2,9-dichloroquinacridone; mixture of: poly(formaldehyde-co-1-naphtalene sulfonic acid sodium salt-co-2-naphtalene sulfonic acid sodium salt); 2,9-dichloroquinacridone; mixture of

Conditions

Conditions	Yield
Stage #1: 2,9-dichloroquinacridone With sulfuric acid at 48 - 52℃; for 0.333333h; Stage #2: sodium 1-naphthalenesulfonate; 2-naphthalenesulfonic acid sodium salt In water at 40 - 45℃; for 0.5h; Stage #3: formaldehyd In water at 58 - 60℃; for 1h;

: 111-25-1
1-bromo-hexane

: 3089-17-6
2,9-dichloroquinacridone

: C30H16Cl2N4O2

Conditions

Conditions	Yield
With tri-tert-butyl phosphine; potassium tert-butylate; palladium diacetate at 86℃; for 7h; Concentration; Temperature; Inert atmosphere;

: 1153-85-1
3-bromo-9-phenyl-9H-carbazole

: 3089-17-6
2,9-dichloroquinacridone

: C56H32Cl2N4O2

Conditions

Conditions	Yield
With tri-tert-butyl phosphine; potassium tert-butylate; palladium diacetate at 86℃; for 7h; Concentration; Temperature; Inert atmosphere;

Pigment Red 202 Specification

The Quino[2,3-b]acridine-7,14-dione,2,9-dichloro-5,12-dihydro- is an organic compound with the formula C₂₀H₁₀Cl₂N₂O₂. The IUPAC name of this chemical is 2,9-dichloro-5,12-dihydroquinolino[2,3-b]acridine-7,14-dione. With the CAS registry number 3089-17-6, it is also named as 2,9-Dichloroquinacridone; Pigment Red 202. And the other registry numbers are 118997-98-1 and 68859-50-7. As its usage, it is mainly used in automotive coatings and plastics coloring. In addition, it can also be used for packaging inks and wood coloring.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 4.51; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4.51; (4)ACD/LogD (pH 7.4): 4.51; (5)ACD/BCF (pH 5.5): 1573.41; (6)ACD/BCF (pH 7.4): 1573.41; (7)ACD/KOC (pH 5.5): 6759.23; (8)ACD/KOC (pH 7.4): 6759.23; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Index of Refraction: 1.707; (13)Molar Refractivity: 98.08 cm³; (14)Molar Volume: 251.6 cm³; (15)Polarizability: 38.88×10^-24 cm³; (16)Surface Tension: 61.4 dyne/cm; (17)Enthalpy of Vaporization: 93.12 kJ/mol; (18)Vapour Pressure: 9.37E-16 mmHg at 25°C; (19)Tautomer Count: 3; (20)Exact Mass: 380.011933; (21)MonoIsotopic Mass: 380.011933; (22)Topological Polar Surface Area: 58.2; (23)Heavy Atom Count: 26; (24)Complexity: 563.

People can use the following data to convert to the molecule structure.
1. SMILES: Clc4ccc5Nc3cc2C(=O)c1c(ccc(Cl)c1)Nc2cc3C(=O)c5c4;
2. InChI: InChI=1/C20H10Cl2N2O2/c21-9-1-3-15-11(5-9)19(25)13-8-18-14(7-17(13)23-15)20(26)12-6-10(22)2-4-16(12)24-18/h1-8H,(H,23,25)(H,24,26).

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