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Pyridine, ACS, 99.0+%, Thermo Scientific Chemicals
Description
As polar, basic, low-reactive solvent, precursor, and reagent, pyridine finds wide range of applications in pharmaceuticals, agrochemicals and in the manufacture of dyes and rubber. Further it is used in the textile industry to improve network capacity of cotton. Pyridine finds applications in specialty chemical reagents like Cornforth reagent (pyridinium dichromate, PDC), pyridinium chlorochromate (PCC), the Collins reagent (complex of chromium(VI) oxide with pyridine) and the Sarret reagent (complex of chromium(VI) oxide with pyridine). Pyridine is a widely used ligand in coordination chemistry. Pyridine-base adducts like pyridine-borane (C5H5NBH3) and pyridine-sulfur trioxide (C5H5NSO3) are widely used owing to their superior characteristics in their reactivity and solubility characteristics.
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
Specifications
Melting Point | -42°C |
Color | Colorless to Yellow |
Density | 0.978 |
Boiling Point | 115°C |
Quantity | 1 L |
Flash Point | 20°C (68°F) |
Odor | Unpleasant |
Physical Form | Liquid |
Refractive Index | 1.51 |
UN Number | UN1282 |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
U01F048 | Certificate of Analysis | 20/02/2025 | 019378.K2,019378.K7,019378.AP,019378.M1 |
M30L720 | Certificate of Analysis | 30/01/2025 | 019378.K2,019378.K7,019378.AP,019378.M1 |
U01F050 | Certificate of Analysis | 25/11/2024 | 019378.K2,019378.K7,019378.AP,019378.M1 |
J15Y859 | Certificate of Analysis | 19/11/2024 | 019378.K2,019378.K7,019378.AP,019378.M1 |
W30K925 | Certificate of Analysis | 18/10/2024 | 019378.K2,019378.K7,019378.AP,019378.M1 |
Safety and Handling


- Pyridine
- Danger
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 2
- Flammable liquid Category 2
- Skin corrosion/irritation Category 2
- H225-Highly flammable liquid and vapour.
- H302-Harmful if swallowed.
- H312-Harmful in contact with skin.
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- H332-Harmful if inhaled.
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P312-Call a POISON CENTER/doctor/if you feel unwell.
- MIXTURE LIST-Contains : Pyridine
RUO – Research Use Only
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