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Pyridine, for HPLC, Thermo Scientific Chemicals

Catalog Number 10791895
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1 L
Glass Bottle


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

Melting Point -42.0°C
Absorbance 0.02 max. (1 cm cell vs HPLC-grade water) at 345nm, 0.01 max. (1 cm cell vs HPLC-grade water) at 400nm, 0.05 max. (1cm cell vs HPLC-grade water) at 340nm
CAS 110-86-1
Density 0.9780g/mL
Boiling Point 115.0°C to 116.0°C
Quantity 1 L
Flash Point 17°C
Packaging Glass Bottle
Physical Form Liquid
Refractive Index 1.5085 to 1.5105
Residue after Evaporation 0.001% max.
Specific Gravity 0.978
Molecular Formula C5H5N
MDL Number MFCD00011732
UN Number 1282
Viscosity 0.95 mPa.s (20°C)
Water 0.05% max.
Merck Index 15, 8081
Synonym azabenzene, azine, pyridin, piridina, pirydyna, pyridin german, pirydyna polish, piridina italian, rcra waste number u196, caswell no. 717
Solubility Information Solubility in water: soluble. Other solubilities: soluble in alcohol, ether and most other common, organic solvents
IUPAC Name pyridine
Molecular Weight (g/mol) 79.102
PubChem CID 1049
Formula Weight 79.1
Percent Purity ≥99.8%
Grade HPLC
Chemical Name or Material Pyridine, For HPLC
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Product Identifier
  • Pyridine
Signal Word
  • Danger
Hazard Category
  • Acute toxicity Category 4
  • Serious eye damage/eye irritation Category 2
  • Flammable liquid Category 2
  • Skin corrosion/irritation Category 2
Hazard Statement
  • 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.
Precautionary Statement
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P240-Ground/bond container and receiving equipment.
  • 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.
Supplemental information
  • MIXTURE LIST-Contains : pyridine

RUO – Research Use Only

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