C10H8N2
156.18 g/mol
OtherDanger
4,4'-Bipyridine
CAS553-26-4EC209-036-3
Category
Other
Compound Class
n.a
Primary Use
Research compound
4,4'-Bipyridine is an organic compound consisting of two pyridine rings connected at the 4-position. It is primarily known as a pyrolysis product in tobacco smoke and as a degradation product of the herbicide paraquat.
Pyrolysis product in tobacco smokeDegradation product of the herbicide paraquat
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Sourcing 4,4'-Bipyridine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
StrongSame Parent
4,4'-Bipyridine
CAS37275-48-2
n.a
StrongStructure SimilarSimilarity 0.92
4,4'-(1,4-Phenylene)dipyridine
CAS113682-56-7
research compound
ReferenceSame Category
Lithium benzoate
CAS553-54-8
Pharmaceutical raw material
ReferenceSame Category
3-hydroxypyrazine-2-carboxamide
CAS55321-99-8
research reagent
ReferenceSame Category
4-(2-(p-sec-Butylbenzoyl)ethyl)-1,2-diphenyl-3,5-pyrazolidinedione
CAS55404-68-7
research compound
ReferenceSame Category
(3aR,4R,5R,6aS)-4-[(3S)-3-Hydroxy-5-phenylpent-1-en-1-yl]-2-oxohexahydro-2H-cyclopenta[b]furan-5-yl benzoate
CAS55444-68-3
Research compound
Referencestereoisomer of
4,4'-Bipyridyl-d8
CAS132125-39-4
research compound
Referencesame scaffold
2,2'-Dichloro-3,3'-difluoro-4,4'-bipyridine
CAS2489302-01-2
research compound
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
H302Harmful if swallowed
H318Causes serious eye damage
H371May cause damage to organs
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 4,4'-Bipyridine (CAS 553-26-4) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4-pyridin-4-ylpyridine
InChIKey
MWVTWFVJZLCBMC-UHFFFAOYSA-N
SMILES
C1=CN=CC=C1C2=CC=NC=C2
Synonyms (24)
- D-7300
- D-7307
- 4,4'-Bipyridine
- 4,4'-Bipyridyl
- 4,4'-DIPYRIDYL
- 4,4'-Dipyridine
- 4,4'-Dipyridyl hydrate
- 4,4'-bpy
- 4,4-Bipyridin
- 4-(4-Pyridyl)pyridine
- 4-pyridin-4-ylpyridin
- 4-pyridin-4-ylpyridine
- Bipyridine, 4,4'-
- Dopamine Nmethyltransferase
- Fr14404
- gamma,gamma'-Bipyridyl
- gamma,gamma'-Dipyridyl
- pyridine, 4-(4-pyridyl)-
Sourcing 4,4'-Bipyridine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.