Product Name

  • Name

    1,2:8,9-DIBENZOPENTACENE

  • EINECS 205-933-9
  • CAS No. 227-09-8
  • Article Data4
  • CAS DataBase
  • Density 1.286 g/cm3
  • Solubility
  • Melting Point
  • Formula C30H18
  • Boiling Point 677 °C at 760 mmHg
  • Molecular Weight 378.473
  • Flash Point 360.6 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 227-09-8 (1,2:8,9-DIBENZOPENTACENE)
  • Hazard Symbols
  • Synonyms 1,2,8,9-Dibenzopentacene;1,2:8,9-Dibenzpentacene;NSC 90327;Dibenzopentacene;Dibenzo-1,2,8,9-pentacene;
  • PSA 0.00000
  • LogP 8.60580

Synthetic route

8,17-dihydro-8,17-methanodibenzo[a,l]pentacen-19-one

8,17-dihydro-8,17-methanodibenzo[a,l]pentacen-19-one

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

Conditions
ConditionsYield
In neat (no solvent) at 200℃; for 0.25h; Inert atmosphere;100%
1,3-bis-(2-methyl-[1]naphthoyl)-benzene

1,3-bis-(2-methyl-[1]naphthoyl)-benzene

A

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

B

dibenzo[c,m]dibenzo[d,d’]phenanthrene
222-51-5

dibenzo[c,m]dibenzo[d,d’]phenanthrene

Conditions
ConditionsYield
Erhitzen auf Siedetemperatur unter Abdestillieren des entstehenden Wassers;
1,4-bis-(2-methyl-[1]naphthoyl)-benzene

1,4-bis-(2-methyl-[1]naphthoyl)-benzene

A

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

B

dibenzo[c,m]dibenzo[d,d’]phenanthrene
222-51-5

dibenzo[c,m]dibenzo[d,d’]phenanthrene

Conditions
ConditionsYield
Erhitzen auf Siedetemperatur unter Abdestillieren des entstehenden Wassers;
1.3-bis-<2-methyl-naphthoyl-(1)>-benzene

1.3-bis-<2-methyl-naphthoyl-(1)>-benzene

A

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

B

dibenzo[c,m]dibenzo[d,d’]phenanthrene
222-51-5

dibenzo[c,m]dibenzo[d,d’]phenanthrene

1.4-bis-<2-methyl-naphthoyl-(1)>-benzene

1.4-bis-<2-methyl-naphthoyl-(1)>-benzene

A

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

B

dibenzo[c,m]dibenzo[d,d’]phenanthrene
222-51-5

dibenzo[c,m]dibenzo[d,d’]phenanthrene

7.9.16.18-tetraoxo-7.9.16.18-tetrahydro-dibenzo<a.l>pentacene

7.9.16.18-tetraoxo-7.9.16.18-tetrahydro-dibenzo<a.l>pentacene

A

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

B

8,17-dihydro-dibenzo[a,l]pentacene

8,17-dihydro-dibenzo[a,l]pentacene

Conditions
ConditionsYield
With sodium chloride; zinc(II) chloride; zinc at 210 - 310℃;
dibenzo[a,l]pentacene-7,9,16,18-tetraone
81682-86-2

dibenzo[a,l]pentacene-7,9,16,18-tetraone

zinc-powder

zinc-powder

NaCl

NaCl

ZnCl2

ZnCl2

A

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

B

8,17-dihydro-dibenzo[a,l]pentacene

8,17-dihydro-dibenzo[a,l]pentacene

Conditions
ConditionsYield
at 310℃;
19,19-dimethoxy-8,17-dihydro-8,17-methanodibenzo[a,l]pentacene

19,19-dimethoxy-8,17-dihydro-8,17-methanodibenzo[a,l]pentacene

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: trimethylsilyl iodide / dichloromethane / 3 h / 20 - 45 °C / Schlenk technique; Inert atmosphere
2: neat (no solvent) / 0.25 h / 200 °C / Inert atmosphere
View Scheme
maleic anhydride
108-31-6

maleic anhydride

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

(+/-)-8,17-dihydro-8,17-ethano-dibenzo[a,l]pentacene-19r,20c-dicarboxylic acid-anhydride

(+/-)-8,17-dihydro-8,17-ethano-dibenzo[a,l]pentacene-19r,20c-dicarboxylic acid-anhydride

Conditions
ConditionsYield
With 1,2,4-Trimethylbenzene
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

dibenzo[a,l]pentacene-8,17-dione
65492-98-0

dibenzo[a,l]pentacene-8,17-dione

Conditions
ConditionsYield
With air; xylene Einwirkung von Sonnenlicht;
With selenium(IV) oxide; nitrobenzene
maleic anhydride
108-31-6

maleic anhydride

1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

C34H20O3

C34H20O3

Conditions
ConditionsYield
In various solvent(s) at 91.5℃; Mechanism; Rate constant; analogous reaction of other polycyclic aromatic hydrocarbons; structure/reactivity correlations, application of theoretical models;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,7,8-tetrachlorodibenzofuran
58802-20-3

1,2,7,8-tetrachlorodibenzofuran

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

2,4,6,8-tetrachlorodibenzofuran
58802-19-0

2,4,6,8-tetrachlorodibenzofuran

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

2,3,7,8-Tetrachlorodibenzofuran
51207-31-9

2,3,7,8-Tetrachlorodibenzofuran

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,3,4-tetrachlorodibenzofuran
24478-72-6

1,2,3,4-tetrachlorodibenzofuran

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,3,4-tetrachloronaphthalene
20020-02-4

1,2,3,4-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,3,5,8-tetrachloronaphthalene
31604-28-1

1,3,5,8-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,3,5-tetrachloronaphthalene
53555-63-8

1,2,3,5-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,4-trichloronaphthalene
50402-51-2

1,2,4-trichloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,3-trichloro-naphthalene
50402-52-3

1,2,3-trichloro-naphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,6-trichloronaphthalene
51570-44-6

1,2,6-trichloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,4,6,7-tetrachloronaphthalene
55720-43-9

1,4,6,7-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,7-trichloronaphthalene
55720-34-8

1,2,7-trichloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,6,7-trichloronaphthalene
55720-39-3

1,6,7-trichloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,5-trichloronaphthalene
55720-33-7

1,2,5-trichloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,8-trichloronaphthalene
55720-35-9

1,2,8-trichloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,3,6,7-tetrachloronaphthalene
55720-42-8

1,3,6,7-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,3,7-Tetrachloronaphthalene
55720-41-7

1,2,3,7-Tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,4,6-tetrachloronaphthalene
51570-45-7

1,2,4,6-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,3,5,7-pentachloronaphthalene
53555-65-0

1,2,3,5,7-pentachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,5,7-tetrachloro-naphthalene
67922-23-0

1,2,5,7-tetrachloro-naphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,4,8-tetrachloronaphthalene
6529-87-9

1,2,4,8-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,4,7-tetrachloronaphthalene
67922-21-8

1,2,4,7-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,5,6-tetrachloronaphthalene
67922-22-9

1,2,5,6-tetrachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;
1,2:8,9-dibenzopentacene
227-09-8

1,2:8,9-dibenzopentacene

1,2,3,4,6-Pentachloronaphthalene
67922-26-3

1,2,3,4,6-Pentachloronaphthalene

Conditions
ConditionsYield
With oxygen; pyrographite; copper(l) chloride at 400℃; for 2h; Oxidation; chlorination; Formation of xenobiotics;

Dibenzo[a,l]pentacene Specification

The CAS register number of Dibenzo[a,l]pentacene is 227-09-8. It also can be called as 1,2,8,9-Dibenzopentacene. The molecular formula about this chemical is C30H18 and the molecular weight is 378.46.

Physical properties about Dibenzo[a,l]pentacene are: (1)ACD/LogP: 9.60; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 9.6; (4)ACD/LogD (pH 7.4): 9.6; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 3987904.25; (8)ACD/KOC (pH 7.4): 3987904.25; (9)Index of Refraction: 1.867; (10)Molar Refractivity: 133.3 cm3; (11)Molar Volume: 294.1 cm3; (12)Polarizability: 52.84x10-24cm3; (13)Surface Tension: 63.4 dyne/cm; (14)Density: 1.286 g/cm3; (15)Flash Point: 360.6 °C; (16)Enthalpy of Vaporization: 95.81 kJ/mol; (17)Boiling Point: 677 °C at 760 mmHg; (18)Vapour Pressure: 2E-17 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: c37cc2ccc1ccccc1c2cc3cc6cc5ccc4c(cccc4)c5cc6c7
(2)InChI: InChI=1/C30H18/c1-3-7-27-19(5-1)9-11-21-13-23-16-26-18-30-22(12-10-20-6-2-4-8-28(20)30)14-24(26)15-25(23)17-29(21)27/h1-18H
(3)InChIKey: XSTMLGGLUNLJRY-UHFFFAOYAJ
(4)Std. InChI: InChI=1S/C30H18/c1-3-7-27-19(5-1)9-11-21-13-23-16-26-18-30-22(12-10-20-6-2-4-8-28(20)30)14-24(26)15-25(23)17-29(21)27/h1-18H
(5)Std. InChIKey: XSTMLGGLUNLJRY-UHFFFAOYSA-N

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