Home Categories Organic Chemistry 4,4'-Bipyridine
A1223712

4,4'-Bipyridine , 98% , 553-26-4

Synonym(s):
γ,γ′-Dipyridyl;4,4′-Bipyridine;4,4′-Bipyridyl

CAS NO.:553-26-4

Empirical Formula: C10H8N2

Molecular Weight: 156.18

MDL number: MFCD00006416

EINECS: 209-036-3

Pack Size Price Stock Quantity
5G RMB47.20 In Stock
25G RMB104.00 In Stock
100G RMB256.80 In Stock
250G RMB492.80 In Stock
others     Enquire
Update time: 2022-07-08

PRODUCT Properties

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)

Description and 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.

Safety

Symbol(GHS) 
GHS06
Signal word  Danger
Hazard statements  H301
Precautionary statements  P301+P310+P330
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

RELATED PRODUCTS