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CAS No 1121-30-8 , 1-hydroxypyridine-2-thione

  • Name: 1-hydroxypyridine-2-thione
  • Synonyms: 1121-31-9;1-hydroxypyridine-2-thione;2-mercaptopyridine n-oxide; 1-oxide; Omadine; 1-Hydroxy-2-pyridinethione; 2-Pyridinethiol; 2-MERCAPTOPYRIDINE-N-OXIDE;
  • CAS Registry Number:
  • Flash Point: 107.3°C
  • Boiling Point: 253.8°Cat760mmHg
  • Density: 1.43g/cm3
  • Refractive index: 1.732
  • Safety Statements: Poison by ingestion, intraperitoneal, and intravenous routes. Moderately toxic by subcutaneous route. When heated to decomposition it emits very toxic fumes of NOx and SOx.
  • Flash Point: 107.3°C
  • EINECS: 214-328-9
  • Molecular Weight: 127.1643
  • InchiKey: YBBJKCMMCRQZMA-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H5NOS/c7-6-4-2-1-3-5(6)8/h1-4,7H
  • Molecular Formula: C5H5NOS
  • Molecular Structure:CAS No:1121-30-8 1-hydroxypyridine-2-thione

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1121-30-8 1-HYDROXY-2(1H)-PYRIDINETHIONE

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1121-30-8 1-Hydroxy-2(1H)-pyridinethione

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References of 1-hydroxypyridine-2-thione
Title: Pyrithione
CAS Registry Number: 1121-30-8
CAS Name: 1-Hydroxy-2(1H)-pyridinethione
Synonyms: 2-pyridinethiol 1-oxide; 2-mercaptopyridine 1-oxide; PTO
Trademarks: Omadine (Olin)
Molecular Formula: C5H5NOS
Molecular Weight: 127.16
Percent Composition: C 47.23%, H 3.96%, N 11.02%, O 12.58%, S 25.22%
Literature References: Prepn: Shaw et al., J. Am. Chem. Soc. 72, 4362 (1950); Semenoff, Dolliver, US 2745826 (1956 to Olin Mathieson).
 
Derivative Type: Sodium salt
Trademarks: Fonderma (Biosedra)
Molecular Formula: C5H4NNaOS
Molecular Weight: 149.15
Percent Composition: C 40.26%, H 2.70%, N 9.39%, Na 15.41%, O 10.73%, S 21.50%
 
Derivative Type: Zinc derivative
CAS Registry Number: 13463-41-7
Synonyms: Zinc pyrithione; zinc pyridinethione; bis(2-pyridylthio)zinc 1,1￠-dioxide; bis-(1-hydroxy-2(1H)-pyridinethionato-O,S)zinc
Trademarks: Desquaman (Hermal)
Molecular Formula: C10H8N2O2S2Zn
Molecular Weight: 317.72
Percent Composition: C 37.80%, H 2.54%, N 8.82%, O 10.07%, S 20.18%, Zn 20.59%
Literature References: Prepn: GB 761171 (1956 to Olin Mathieson). Activity: Karsten et al., US 3236733; Judge et al., US 3281366 (both 1966 to Procter and Gamble).
 
Derivative Type: Dimer
Synonyms: Dipyrithione; 2,2￠-dithiobispyridine 1,1￠-dioxide; OMDS
Trademarks: Omadine Disulfide (Olin)
Molecular Formula: C10H8N2O2S2
Molecular Weight: 252.31
Percent Composition: C 47.60%, H 3.20%, N 11.10%, O 12.68%, S 25.42%
 
Use: Fungicide, bactericide.
Therap-Cat: Antibacterial; antifungal. Zinc deriv also as antiseborrheic.
Keywords: Antifungal (Synthetic); Antiseborrheic.