ChemicalBook > CAS DataBase List > 4,4'-Bipyridine

4,4'-Bipyridine

Product Name
4,4'-Bipyridine
CAS No.
553-26-4
Chemical Name
4,4'-Bipyridine
Synonyms
4,4-BIPYRIDINE;4,4-DIPYRIDYL;4,4'-BIPYRIDYL;4,4'-DIPYRIDYL;GAMMA,GAMMA-DIPYRIDYL;'LGC' (1608);γ,γ'-Dipyridy;g,g'-Dipyridyl;4,4'-Bipyridyl;4,4'-Dipyridyl
CBNumber
CB1671180
Molecular Formula
C10H8N2
Formula Weight
156.18
MOL File
553-26-4.mol
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4,4'-Bipyridine Property

Melting point:
109-112 °C(lit.)
Boiling point:
305 °C(lit.)
Density 
1.2814 (rough estimate)
refractive index 
1.6057 (estimate)
Flash point:
304-305°C
storage temp. 
Store below +30°C.
solubility 
4.5g/l
form 
Powder
pka
pK1:3.17(+2);pK2:4.82(+1) (25°C)
color 
Off-white to beige
Water Solubility 
slightly soluble
Sensitive 
Hygroscopic
λmax
300nm(CH3CN)(lit.)
Merck 
14,3348
BRN 
113176
Stability:
Stable. Incompatible with strong oxidizing agents, strong acids.
InChIKey
MWVTWFVJZLCBMC-UHFFFAOYSA-N
CAS DataBase Reference
553-26-4(CAS DataBase Reference)
NIST Chemistry Reference
4,4'-Bipyridine(553-26-4)
EPA Substance Registry System
4,4'-Bipyridine (553-26-4)
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Safety

Hazard Codes 
T,Xi
Risk Statements 
25-36/37/38-20/21-23/24/25
Safety Statements 
26-36/37/39-45
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
3
RTECS 
DW1760000
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29333999
Toxicity
LD50 orally in Rabbit: 172 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
289426
Product name
4,4′?Dipyridyl
Purity
98%
Packaging
5g
Price
$38.3
Updated
2024/03/01
Sigma-Aldrich
Product number
8.20158
Product name
4,4′-Bipyridine
Purity
for synthesis
Packaging
10g
Price
$75.7
Updated
2024/03/01
Sigma-Aldrich
Product number
289426
Product name
4,4′?Dipyridyl
Purity
98%
Packaging
25g
Price
$126
Updated
2024/03/01
TCI Chemical
Product number
B0469
Product name
4,4'-Bipyridyl
Purity
>98.0%(GC)(T)
Packaging
25g
Price
$83
Updated
2024/03/01
TCI Chemical
Product number
B0469
Product name
4,4'-Bipyridyl
Purity
>98.0%(GC)(T)
Packaging
100g
Price
$252
Updated
2024/03/01
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4,4'-Bipyridine Chemical Properties,Usage,Production

Chemical Properties

off-white to tan powder

Uses

4,4'-Bipyridine is used in transition-metal complex catalyst chemistry for uniform polymerization, in luminescence chemistry and in spectrophotometric analysis. It plays an important role as a photosensitizer and luminescent material. It is also used as a precursor to paraquat viz. N,N'-dimethyl-4,4'-bipyridinium.

Definition

ChEBI: A bipyridine in which the two pyridine moieties are linked by a bond between positions C-4 and C-4'.

Synthesis Reference(s)

Tetrahedron Letters, 26, p. 1655, 1985 DOI: 10.1016/S0040-4039(00)98576-9

General Description

4,4′-Dipyridyl (BPY) is an organic linker mainly used in the preparation of coordination polymers. It is a pyridine derivative in which pyridyl groups can rotate along the carbon-carbon structure. It can be used as a catalyst for photoelectrochemical reduction.

Safety Profile

Poison by ingestion. When heatedto decomposition it emits toxic vapors of NOx.

Purification Methods

It crystallises from water, *benzene/pet ether, ethyl acetate and sublimes in vacuo at 70o. Also purify it by dissolving in 0.1M H2SO4 and twice precipitating by addition of 1M NaOH to pH 8. Then recrystallise it from EtOH. For the dihydrochloride see Viologen below. [Collman et al. J Am Chem Soc 109 4606 1987, Beilstein 23 H 800, 23 III/IV 1371, 23/8 V 28.]

4,4'-Bipyridine Preparation Products And Raw materials

Raw materials

Preparation Products

1-METHYL-[4,4']BIPIPERIDINYL
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4,4'-Bipyridine Suppliers

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View Lastest Price from 4,4'-Bipyridine manufacturers

Hebei Longbang Technology Co., Ltd
Product
4,4'-Bipyridine 553-26-4
Price
US $5.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20TONS
Release date
2024-05-11
Hebei Weibang Biotechnology Co., Ltd
Product
4,4'-Bipyridine 553-26-4
Price
US $8.90/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-28
Hebei Jingbo New Material Technology Co., Ltd
Product
4,4'-Bipyridine 553-26-4
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
1000000
Release date
2024-01-05

553-26-4, 4,4'-BipyridineRelated Search:

Pyridine 4-Aminobutyric acid DIPIPERIDINOMETHANE Diethyl 1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylate Sulfasalazine Chromium picolinate 2,2'-Bipyridine Morfamquat(dichloride((content>65%) Paraquat methosulfate 2,2':6',2''-TERPYRIDINE !2,2'-bipyridine! !dihydrochloride! 2,2'-DIPYRIDYL N,N'-DIOXIDE tris[2,2'-bipyridine]ruthenium dichloride ,tris(2,2’-bipyridine-n,n’)-,dichloride,(oc-6-11)-ruthenium(2+ 4,4'-Dinonyl-2,2'-bipyridine 4,4’-diphenyl-2’-bipyridin Paraquat dichloride 4,4'-Dipyridyl hydrate ETHYL VIOLOGEN DIPERCHLORATE

  • 'LGC' (1608)
  • GAMMA,GAMMA'-DIPYRIDYL
  • GAMMA,GAMMA-DIPYRIDYL
  • 4, 4'-DIPYRIDINE
  • 4,4'-DIPYRIDYL
  • 4,4-DIPYRIDYL
  • 4,4'-BIPYRIDINE
  • 4,4-BIPYRIDINE
  • 4,4'-BIPYRIDYL
  • 4,4'-BIPYRIDYL HYDRATE
  • 4,4,4'-DIPYRIDYL
  • 4-PYRIDIN-4-YLPYRIDINE
  • 4-(4-Pyridyl)pyridine
  • 4,4’-Bipyridine,dihydrate
  • Bipyridine, 4,4'-
  • gamma,gamma’-bipyridyl
  • gamma,gamma'-Bipyridyl
  • 4,4'Bipyridinyl
  • 4,4'-BIPYRIDINE ANHYDROUS PESTANAL
  • 4,4'-Bipyridyl,98%
  • 4,4'-Bipyridine,98%
  • 4,4'-BIPYRIDINE ANHYDROUS
  • 4,4'-Dipyridyl, anhydrous, 98%
  • 4,4-DIPYRIDYL, 4,4-BIPYRIDINE
  • 4,4''-DIPYRIDINE / 4,4''-DIPYRIDYL
  • 4,4''-DIPYRIDYL, 98%, ANHYDROUS
  • 4,4μ-Bipyridine, 4,4μ-Bipyridyl
  • 4,4'-Dipyridyl ,99%
  • g,g'-Dipyridyl
  • 4,4′-Bipyridyl,4,4′-Bipyridine
  • 4,4'-Bipyridyl dihydrate
  • 4,4'-Dipyridyl 98%
  • 4, 4 - al pyridine
  • 4,4'-Bipyridine SynonyMs 4,4'-Dipyridyl
  • γ,γ'-Dipyridy
  • 4,4'-Dipyridyl≥ 99% (Assay)
  • 4,4'-Bipyridine for synthesis
  • 4,4'-Dipyridyl, 99%, for synthesis
  • 4,4'-Bipyridyl &gt
  • 4, 4 '- pyridine
  • 4,4,-Bipyridyl, GR 98%
  • 4,4'-Bipyridine (8CI, 9CI, ACI)
  • Metamitron Impurity 7
  • 4,4'-Bipyridine
  • 4,4'-Bipyridyl
  • 4,4'-Dipyridine
  • 4,4'-Dipyridyl
  • 553-26-4
  • 53-26-4
  • -C5H4N22H2O
  • Photochromic Compounds
  • Viologens (Photochromic, Related Compounds)
  • C9
  • C9 to C46
  • Carbonyl Compounds
  • Building Blocks
  • Pyridines
  • Ketones