BIPHENYLENE

CAS No.：259-79-0

Other grades of this product :

BIPHENYLENE Basic information

Product Name:	BIPHENYLENE
Synonyms:	Cyclobutadibenzene;Dibenzocyclobutadiene;RARECHEM AQ BD 0BA5;BIPHENYLENE;DIPHENYLENE;Tricyclo[6.4.0.02,7]dodeca-1(8),2(7),3,5,9,11-hexene;BiphenyleneDiphenylene;Biphenylene, 99+%
CAS:	259-79-0
MF:	C12H8
MW:	152.19
EINECS:
Product Categories:	Arenes;Building Blocks;Biphenyl derivatives;Biphenyl & Diphenyl ether;Chemical Synthesis;Organic Building Blocks
Mol File:	259-79-0.mol

BIPHENYLENE Chemical Properties

Melting point	113-114 °C (lit.)
Boiling point	262℃
density	1.190
refractive index	1.4840 (estimate)
Fp	100℃
storage temp.	Sealed in dry,Room Temperature
form	Needles
color	Yellow
EPA Substance Registry System	Biphenylene (259-79-0)

Safety Information

Hazard Codes	N
Risk Statements	51/53
Safety Statements	61-29-24/25
WGK Germany	3
HS Code	29029000

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English

BIPHENYLENE Usage And Synthesis

Chemical Properties	YELLOW NEEDLES
Purification Methods	Biphenylene from yellow crystals from cyclohexane, MeOH (m 110-111o) or EtOH (m 111-112o). It sublimes in vacuo. The 2,4,7-trinitrofluorenone complex has m 154o and the picrate gives red needles m 122o from EtOH. [Beilstein 5 I 298, 5 II 530, 5 III 1935, 5 IV 2137.]

BIPHENYLENE Preparation Products And Raw materials

Preparation Products

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