4,4'-Bipyridine CAS 553-26-4

4,4'-Bipyridine CAS 553-26-4
Details:
Product Name: 4,4'-Bipyridine
CAS No.: 553-26-4
Molecular Formula: C10H8N2
Molecular Weight: 156.18
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 Conditions: Store below +30 °C.
Solubility: 4.5 g/L
Acidity Coefficient (pKa): pK1: 3.17 (+2); pK2: 4.82 (+1) (25 °C)
Water Solubility: Slightly soluble
Maximum Wavelength (λmax): 300 nm (CH3CN) (lit.)
Sensitivity: Hygroscopic
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Description
Technical Parameters

 

Products Description

 

4,4'-Bipyridine, chemical formula C10H8N2, CAS number 553-26-4, is a bispyridine ring-bridged organic compound. This substance is a colorless or pale yellow crystal with a melting point of 109-112℃ and a boiling point of 305℃. It is slightly soluble in water and readily soluble in organic solvents such as ethanol and ether. It is stable but hygroscopic and should be stored in a cool, dry, and sealed place.

 

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Application

 

4,4'-Bipyridine is a reagent for iron determination, used in organic synthesis and pharmaceutical intermediates.

 

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Quality Standard

Items

Standard

Appearance

Off-white powder

Assay

99% min

Water

0.8% max

Melting point

109-113℃(3℃)

Burning residue

≤0.8%

Storage and transportation

 

4,4'-Bipyridine should be stored in a cool, well-ventilated warehouse. The warehouse temperature should not exceed 37°C. It should be stored separately from oxidizers and food chemicals; mixed storage is strictly prohibited. Keep containers sealed. Keep away from fire and heat sources. The warehouse must be equipped with lightning protection devices. The ventilation system should have a grounding device to discharge static electricity. Explosion-proof lighting and ventilation systems should be used. The use of equipment and tools that may generate sparks is prohibited.

 

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Marketing

 

Our products are sold well in more than 60 countries and regions including North America, Western Europe, Southeast Asia, Central and South America, etc. We have established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries.

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