Sodium phenate

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Structural formula
Structure of sodium phenate
General
Surname Sodium phenate
other names
  • Phenol sodium salt
  • Sodium phenoxide
Molecular formula C 6 H 5 NaO
Brief description

white powdery solid with a phenolic odor

External identifiers / databases
CAS number
  • 139-02-6
  • 156150-40-2 (trihydrate)
PubChem 4445035
Wikidata Q410045
properties
Molar mass 116.09 g mol −1
Physical state

firmly

Melting point

384 ° C

solubility

easily in water (> 300 g l −1 at 20 ° C)

safety instructions
GHS labeling of hazardous substances
05 - Corrosive

danger

H and P phrases H: 314
P: 280-301 + 330 + 331-303 + 361 + 353-305 + 351 + 338-310
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Sodium phenolate is the sodium salt of phenol . It is created by the reaction of phenol with sodium hydroxide solution .

use

Sodium phenolate is used for the preparation of salicylic acid by means of the Kolbe-Schmitt reaction . To do this, it is heated under pressure with carbon dioxide and the resulting sodium salicylate is reacted with sulfuric acid:

Preparation of sodium phenolate using the Kolbe-Schmitt reaction

Individual evidence

  1. a b c d e f Entry on sodium phenolate in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .
  2. ChemgaPedia: Glossary: ​​Kolbe-Schmitt synthesis .