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BIPHENYLENE

Product Name
BIPHENYLENE
CAS No.
259-79-0
Chemical Name
BIPHENYLENE
Synonyms
DIPHENYLENE;Cyclobutadibenzene;NSC 101862;BIPHENYLENE;Biphenylene 99%;1,1'-Biphenylene;Biphenylene, 99+%;RARECHEM AQ BD 0BA5;Dibenzocyclobutadiene;BiphenyleneDiphenylene
CBNumber
CB8739753
Molecular Formula
C12H8
Formula Weight
152.19
MOL File
259-79-0.mol
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BIPHENYLENE Property

Melting point:
113-114 °C (lit.)
Boiling point:
262℃
Density 
1.190
refractive index 
1.4840 (estimate)
Flash point:
100℃
storage temp. 
Sealed in dry,Room Temperature
form 
Needles
color 
Yellow
InChI
InChI=1S/C12H8/c1-2-6-10-9(5-1)11-7-3-4-8-12(10)11/h1-8H
InChIKey
IFVTZJHWGZSXFD-UHFFFAOYSA-N
SMILES
C1C2C(=C3C=2C=CC=C3)C=CC=1
EPA Substance Registry System
Biphenylene (259-79-0)
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Safety

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

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
321958
Product name
Biphenylene
Purity
99%
Packaging
100mg
Price
$275
Updated
2023/01/07
SynQuest Laboratories
Product number
1600-1-00
Product name
Biphenylene
Packaging
1g
Price
$992
Updated
2021/12/16
Matrix Scientific
Product number
093855
Product name
Biphenylene
Purity
95+%
Packaging
1g
Price
$1092
Updated
2021/12/16
SynQuest Laboratories
Product number
1600-1-00
Product name
Biphenylene
Packaging
100mg
Price
$128
Updated
2021/12/16
SynQuest Laboratories
Product number
1600-1-00
Product name
Biphenylene
Packaging
250mg
Price
$264
Updated
2021/12/16
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BIPHENYLENE Chemical Properties,Usage,Production

Chemical Properties

YELLOW NEEDLES

Uses

Biphenylene can be used as an intermediate in pharmaceutical synthesis.

Definition

ChEBI: Biphenylene is an ortho-fused polycyclic arene and an ortho-fused tricyclic hydrocarbon.

Synthesis

Biphenylene is obtained by several methods; one of the best, in spite of the low yield, involved pyrolysis of dibenziodolium iodide in the presence of cuprous oxide.

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

Raw materials

Preparation Products

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BIPHENYLENE Suppliers

Belgium 1 China 54 Germany 2 India 3 Japan 2 Switzerland 1 United Kingdom 4 United States 11 Global 78
Bide Pharmatech Ltd.
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J & K SCIENTIFIC LTD.
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Nanjing Chemlin Chemical Co., Ltd
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HaBo Hong Kong Co., Limited.
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Energy Chemical
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Santa Cruz Biotechnology Inc
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259-79-0, BIPHENYLENERelated Search:

BIPHENYLENE 1-BIPHENYLENECARBONYL CHLORIDE Nitrotetrazolium blue chloride 4,4'-[3,3'-Dichloro-4,4'-biphenylene]bis(azo)]bis [1-(4-methylphenyl)-3-methyl-5-pyrazolone] 2,2'-Dibenzothiazolyl-5,5'-bis[4-di(2-sulfoethyl)carbamoylphenyl]-3,3'-(3,3'-dimethoxy-4,4'-biphenylene)ditetrazolium,disodiumsalt Biphenylene sulfide 6,8-naphthalenedisulfonicacid,3,3’-((3,3’-dimethoxy-4,4’-biphenylene)bis(azo Tetrazolium Blue Chloride 1,2-Bis(biphenylene)ethylene BIPHENYLENE OXIDE,2,2'-Biphenylene oxide 3,3'-DIMETHYL-4,4'-BIPHENYLENE DIISOCYANATE 3,3-(4,4-Biphenylene)bis(2,5-diphenyl-2H-tetrazolium chloride)~NTC,3,3'-(4,4'-BIPHENYLENE)BIS(2,5-DIPHENYL-2H-TETRAZOLIUM CHLORIDE) Tetranitroblue tetrazolium chloride Pigment Yellow 13 2,6-DIACETYLBIPHENYLENE 2-ACETYLBIPHENYLENE 2,2'-(4,4'-biphenylene)bis(2-hydroxy-4,4-dimethylmorpholinium) dibromide 3,3'-(3,3'-DIMETHOXY-4,4'-BIPHENYLENE)BIS[2-(3-NITROPHENYL)-5-PHENYL-2H-TETRAZOLIUM CHLORIDE]

  • 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+%
  • NSC 101862
  • Biphenylene 99%
  • 1,1'-Biphenylene
  • Biphenylene (6CI, 8CI, 9CI, ACI)
  • 259-79-0
  • C6H42
  • Building Blocks
  • Arenes
  • Organic Building Blocks
  • Arenes
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Biphenyl derivatives
  • Biphenyl & Diphenyl ether