Pyridine

Basic Information of Pyridine

CAS No.:	110-86-1
EC No.:	203-809-9
Linear Formula:	C₅H₅N
Molecular Weight:	79.1
Appearance:	Transparent Liquid
Odor:	Distinctive, unpleasant, fishy odor.
Melting point:	-42 °C (lit.)
Boiling point:	115 °C (lit.)
Density:	0.978 g/mL at 25 °C (lit.)
Solubility:	Miscible with water, ethanol, ether, acetone, and most organic solvents.
Flash point:	68 °F
Nature:	Flammable liquid and vapor, toxic, emits toxic fumes when burned.
RIDADR:	UN 1282 3/PG 2
Chemical Structure:

Our commitment to delivering high-purity Pyridine ensures a reliable and efficient component for your critical synthesis and industrial processes.

Primary Applications of Pyridine

Pyridine's aromaticity, basicity, and ability to form complexes make it an exceptionally versatile chemical with applications across numerous industries:

1. Solvent in Organic Synthesis:

   Pyridine is widely used as a solvent and basic catalyst in various organic reactions, particularly those involving acylations, sulfonations, and dehydrohalogenations. Its ability to solubilize a broad range of organic and inorganic compounds makes it invaluable in chemical laboratories and industrial processes.

2. Pharmaceutical & Vitamin Synthesis:

   It is a crucial precursor and intermediate in the synthesis of numerous pharmaceutical compounds. Notably, Pyridine is a key starting material for the production of Vitamin B3 (Niacin and Niacinamide), as well as various antihistamines, sulfa drugs, and other active pharmaceutical ingredients (APIs).

3. Agrochemical Manufacturing:

   Pyridine serves as an essential building block for the synthesis of various agrochemicals, including herbicides, insecticides, and fungicides, where its heterocyclic structure contributes to biological activity.

4. Denaturant:

   Due to its distinct odor and toxicity, Pyridine is often used as a denaturant for ethyl alcohol, making it unfit for consumption while allowing its use in industrial applications.

5. Rubber Chemicals:

   It finds application in the manufacturing of certain rubber chemicals, including vulcanization accelerators and antioxidants, which are vital for enhancing the performance and durability of rubber products.

6. Analytics & Laboratory Reagent:

   Pyridine is used as a reagent in various analytical methods, such as Karl Fischer titration (for moisture determination), and as a basic catalyst in many laboratory reactions.

• Exceptional Purity & Quality: Our Pyridine is manufactured to stringent purity specifications, critical for sensitive downstream syntheses and ensuring optimal performance in all your applications.

• Commitment to Quality & Safety: We adhere to the highest industry standards for quality management, safety, and environmental responsibility across all our operations, ensuring peace of mind for our clients handling this versatile but toxic and flammable material.

Hazards Classification

• GHS Classification: Flammable Liquid (GHS02), Acute Toxicity, Oral (GHS06), Acute Toxicity, Dermal (GHS06), Acute Toxicity, Inhalation (GHS06), Skin Irritation (GHS07)

• Hazard Statements: Highly flammable liquid and vapor; harmful if swallowed, in contact with skin, or inhaled; causes skin irritation.

• UN Number: UN 1282

• Hazard Class: 3 (Flammable Liquids)

• Packing Group: II