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2,2'-Biphenol

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2,2'-Biphenol Basic information

Product Name:
2,2'-Biphenol
Synonyms:
  • Orthodiphenol
  • 2,2'-Biphenol,99%
  • 2,2'-Dihydroxybiphenyl,99%
  • 2,2’-Biphenol (2,2’-Dihydroxybiphenyl)
  • 2,2'-dihydroxybipphenol
  • 2,2zzhlxy-Biphenol
  • ORTHOORTHOBIPHENOL
  • VLOOKUP(C7,[1]Export!$D:$H,5,0)
CAS:
1806-29-7
MF:
C12H10O2
MW:
186.21
EINECS:
217-303-0
Product Categories:
  • Aromatic Phenols
  • Biphenyls (for High-Performance Polymer Research)
  • Color Former & Related Compounds
  • Developer
  • Functional Materials
  • Reagent for High-Performance Polymer Research
  • Halogenated Heterocycles ,Triazines ,Thiophenes
Mol File:
1806-29-7.mol
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2,2'-Biphenol Chemical Properties

Melting point:
108-110 °C
Boiling point:
315 °C(lit.)
Density 
0.83
refractive index 
1.6086 (estimate)
Flash point:
154 °C
storage temp. 
Store below +30°C.
form 
Powder
pka
7.32±0.10(Predicted)
color 
Beige to grayish-beige
Water Solubility 
insoluble
BRN 
1638363
InChIKey
IMHDGJOMLMDPJN-UHFFFAOYSA-N
CAS DataBase Reference
1806-29-7(CAS DataBase Reference)
NIST Chemistry Reference
[1,1'-Biphenyl]-2,2'-diol(1806-29-7)
EPA Substance Registry System
2,2'-Biphenol (1806-29-7)
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Safety Information

Hazard Codes 
Xi,Xn
Risk Statements 
37/38-41-36-22
Safety Statements 
26-39-36/37/39
WGK Germany 
2
RTECS 
DV4200000
8-9-23
Autoignition Temperature
324 °C
TSCA 
Yes
HS Code 
29029090
Toxicity
oms-hmn:lym 5 mmol/L CNREA8 45,2471,85

MSDS

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2,2'-Biphenol Usage And Synthesis

Chemical Properties

Beige to greyish-beige powder

Uses

2,2'-Dihydroxybiphenyl, is an important raw material and intermediate used in organic Synthesis, pharmaceuticals, agrochemicals and dyestuff.

Production Methods

2,2'-Dihydroxybiphenyl is obtained by alkaline fusion of biphenylene oxide at ca. 300 ℃ (sometimes catalyzed by fluorene or carbazole) or by debutylation of 3,3',5,5'-tetra-tert-butyl-2,2'-dihydroxybiphenyl, which itself is produced by the oxidative coupling of 2,4-di-tert-butylphenol. 2,2'-Dihydroxy-5,5'-dimethylbiphenyl can be synthesized accordingly.

Definition

ChEBI: A member of the class of hydroxybiphenyls carrying hydroxy groups at positions 2 and 2'.

Safety Profile

Poison by intraperitoneal andintravenous routes. Human mutation data reported. Whenheated to decomposition it emits acrid smoke andirritating fumes.

Purification Methods

Crystallise the biphenyl repeatedly from toluene, then sublime it at 60o/10-4mm. [Beilstein 6 IV 6645.]

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