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Name	Benz(j)aceanthrylene	EINECS	N/A
CAS No.	202-33-5	Density	1.284 g/cm³
PSA	0.00000	LogP	5.63000
Solubility	N/A	Melting Point	170-171 °C(Solv: hexane (110-54-3))
Formula	C₂₀H₁₂	Boiling Point	498.5 °C at 760 mmHg
Molecular Weight	252.315	Flash Point	247.1 °C
Transport Information	N/A	Appearance	N/A
Safety		Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	Benz[7,8]aceanthrylene;Cholanthrylene;Naphth[2,1-d]acenaphthylene;

Benz(j)aceanthrylene Synthetic route

: 85319-68-2
1-Hydroxy-1,2-dihydrobenzaceanthrylene

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In benzene for 0.75h; Heating;	62%

: 88262-30-0
1,2-Dihydro-benzo[j]aceanthrylen-2-ol

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
With aluminum oxide In benzene for 0.75h; Heating;

: 5472-20-8
8-Oxo-8,9,10,11-tetrahydrobenzanthracene

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: 83 percent / zinc dust, iodine / benzene; diethyl ether / 1.) 15 min, reflux, 2.) 2h, reflux 2: 1.) p-TsOH, 2.) 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) / 1.) benzene, reflux, 2h, 2.) reflux, 4h 3: 88 percent / aq. KOH / methanol / 1 h / Heating 4: 88 percent / anhydrous HF / 15 h / Ambient temperature 5: 95 percent / Sodium borohydride / dimethylformamide / 6 h / Ambient temperature 6: 62 percent / p-TsOH / benzene / 0.75 h / Heating View Scheme

Yield

Multi-step reaction with 6 steps
1: 83 percent / zinc dust, iodine / benzene; diethyl ether / 1.) 15 min, reflux, 2.) 2h, reflux
2: 1.) p-TsOH, 2.) 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) / 1.) benzene, reflux, 2h, 2.) reflux, 4h
3: 88 percent / aq. KOH / methanol / 1 h / Heating
4: 88 percent / anhydrous HF / 15 h / Ambient temperature
5: 95 percent / Sodium borohydride / dimethylformamide / 6 h / Ambient temperature
6: 62 percent / p-TsOH / benzene / 0.75 h / Heating
View Scheme

: 13728-56-8
NSC-92828

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
Multi-step reaction with 7 steps 1: 70 percent / polyphosphoric acid / 3 h / 80 °C 2: 83 percent / zinc dust, iodine / benzene; diethyl ether / 1.) 15 min, reflux, 2.) 2h, reflux 3: 1.) p-TsOH, 2.) 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) / 1.) benzene, reflux, 2h, 2.) reflux, 4h 4: 88 percent / aq. KOH / methanol / 1 h / Heating 5: 88 percent / anhydrous HF / 15 h / Ambient temperature 6: 95 percent / Sodium borohydride / dimethylformamide / 6 h / Ambient temperature 7: 62 percent / p-TsOH / benzene / 0.75 h / Heating View Scheme

Yield

Multi-step reaction with 7 steps
1: 70 percent / polyphosphoric acid / 3 h / 80 °C
2: 83 percent / zinc dust, iodine / benzene; diethyl ether / 1.) 15 min, reflux, 2.) 2h, reflux
3: 1.) p-TsOH, 2.) 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) / 1.) benzene, reflux, 2h, 2.) reflux, 4h
4: 88 percent / aq. KOH / methanol / 1 h / Heating
5: 88 percent / anhydrous HF / 15 h / Ambient temperature
6: 95 percent / Sodium borohydride / dimethylformamide / 6 h / Ambient temperature
7: 62 percent / p-TsOH / benzene / 0.75 h / Heating
View Scheme

: 6325-54-8
7-chloromethylbenz[a]anthracene

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: 88 percent / dimethylsulfoxide / 2 h / 70 °C 2: 85 percent / KOH / ethane-1,2-diol; H2O / 24 h / Heating 3: anhydrous HF / 24 h / Ambient temperature 4: NaBH4 / tetrahydrofuran; methanol 5: Al2O3 / benzene / 0.75 h / Heating View Scheme

: 13728-49-9
1-Oxo-1,2-dihydrobenzoaceanthrylene

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 95 percent / Sodium borohydride / dimethylformamide / 6 h / Ambient temperature 2: 62 percent / p-TsOH / benzene / 0.75 h / Heating View Scheme

: 63018-69-9
7-(Cyanomethyl)benzanthracene

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 85 percent / KOH / ethane-1,2-diol; H2O / 24 h / Heating 2: anhydrous HF / 24 h / Ambient temperature 3: NaBH4 / tetrahydrofuran; methanol 4: Al2O3 / benzene / 0.75 h / Heating View Scheme

: 20316-12-5
(7-Benzanthryl)acetic Acid

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: anhydrous HF / 24 h / Ambient temperature 2: NaBH4 / tetrahydrofuran; methanol 3: Al2O3 / benzene / 0.75 h / Heating View Scheme

: 13728-58-0
(8-Benzanthryl)acetic Acid

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 88 percent / anhydrous HF / 15 h / Ambient temperature 2: 95 percent / Sodium borohydride / dimethylformamide / 6 h / Ambient temperature 3: 62 percent / p-TsOH / benzene / 0.75 h / Heating View Scheme

: 85319-69-3
1H-Benzo[j]aceanthrylen-2-one

: 202-33-5
Benzaceanthrylene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: NaBH4 / tetrahydrofuran; methanol 2: Al2O3 / benzene / 0.75 h / Heating View Scheme

Benz(j)aceanthrylene Chemical Properties

The IUPAC name of Benz(j)aceanthrylene (CAS NO.202-33-5): Benzo[j]aceanthrylene
Synonyms: Benz(j)aceanthrylene ; Benz[j]aceanthrylene
CAS: 202-33-5
Molecular Formula: C₂₀H12
Molecular Structure:

Molecular Weight: 252.3093 g/mol
Index of Refraction: 1.839
Density: 1.284 g/cm³
Flash Point: 247.1 °C
Boiling Point: 498.5 °C at 760 mmHg

Benz(j)aceanthrylene Toxicity Data With Reference

The toxicity of Benz(j)aceanthrylene (CAS NO.202-33-5):

1.		mic-sat 10 µLg/plate		CRNGDP Carcinogenesis. 18 (1997),193.
2.		add-rat-lng 30 mg/L		CRNGDP Carcinogenesis. 18 (1997),193.

Benz(j)aceanthrylene Safety Profile

The safety information of Benz(j)aceanthrylene (CAS NO.202-33-5):
Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.

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