Pyridine, Ultrapure, Spectrophotometric Grade, 99.5+%, Thermo Scientific Chemicals

Description

Pyridine is used in spectrophotometry and environmental testing.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 110-86-1
• Molecular Formula: C5H5N
• Molecular Weight (g/mol): 79.102
• MDL Number: MFCD00011732
• InChI Key: JUJWROOIHBZHMG-UHFFFAOYSA-N
• Synonym: azabenzene, azine, pyridin, piridina, pirydyna, pyridin german, pirydyna polish, piridina italian, rcra waste number u196, caswell no. 717
• PubChem CID: 1049
• ChEBI: CHEBI:16227
• IUPAC Name: pyridine
• SMILES: C1=CC=NC=C1

• Melting Point: °C to 42°C
• Color: Colorless
• Appearance: Colorless liquid
• Density: 0.978
• Boiling Point: 115°C
• Quantity: 4 x 1 L
• Flash Point: 20°C (68°F)
• Odor: Unpleasant
• Physical Form: Liquid
• Refractive Index: 1.51
• Assay Percent Range: >99.5%
• Vapor Pressure: 20 hPa (15mm Hg) at 20°C
• Beilstein: 103233
• Solubility Information: Miscible with water,alcohol,ether,pet ether,and oils.
• Formula Weight: 79.1
• Grade: Spectrophotometric
• Chemical Name or Material: Pyridine

Safety and Handling

Hazard Category	H225-H302+H312+H332-H315-H319
Precautionary Statement	P210-P233-P240-P241-P242-P243-P261-P264b-P270-P271-P280-P301+P312-P303+P361+P353-P304+P340-P305+P351+P338-P312-P330-P332+P313-P363-P370+P378q-P501c
DOTInformation	DOT Class: 3; Packing Group: II
EINECSNumber	203-809-9
RTECSNumber	UR8400000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only