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Pigment Red 202
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  • Name Pigment Red 202
  • EINECS221-424-4
  • CAS No. 3089-17-6
  • Density1.514 g/cm3
  • PSA65.72000
  • LogP4.98280
  • SolubilityN/A
  • Melting PointN/A
  • FormulaC20H10Cl2N2O2
  • Boiling Point629.4 °C at 760 mmHg
  • Molecular Weight381.218
  • Flash Point334.5 °C
  • Transport InformationN/A
  • AppearanceN/A
  • Safety
  • Risk CodesN/A
  • Molecular Structure
    Molecular Structure of 3089-17-6 (Pigment Red 202)
  • Hazard SymbolsN/A
  • SynonymsN/A
  • Article Data4

Pigment Red 202 Synthetic route

41680-76-6

2,5-di(4-chloro-anilino)terephthalic acid

3089-17-6

2,9-dichloroquinacridone

Conditions
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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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