1-hydroxyl-1H-pyridine-2-thione

Independent reference data for 1-hydroxyl-1H-pyridine-2-thione (CAS 1121-30-8), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

The sodium salt of pyrithione is used as a biocide in metalworking fluids; also used in ink, synthetic fiber lubricants, and dandruff shampoo; [Kanerva, p. 1832] Used as a biocide in the aircraft industry; [Kanerva, p. 1259] Used as an anti-fungal agent and disinfectant; [ChemIDplus]Metal Machining [Category: Heat or Machine]

Synonyms and trade names

pyrithione; 1121-30-8; 2-MERCAPTOPYRIDINE-N-OXIDE; 1-Hydroxy-2-pyridinethione; Omadine; 2-Pyridinethiol 1-oxide; 1-hydroxypyridine-2-thione; 1-hydroxypyridine-2(1H)-thione; 1-Hydroxy-2(1H)-pyridinethione; N-Hydroxypyridine-2-thione; SQ 2113; pyridinethiol n-oxide; 2(1H)-Pyridinethione, 1-hydroxy-; NSC-179790; 6GK82EC25D; CHEBI:36578

Regulatory listings held on file

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS

GHS hazard classification

Reported hazard statements	H301 (95.7%), H315 (100%), H319 (100%), H335 (97.8%)

H301 (95.7%): Toxic if swallowed [Danger Acute toxicity, oral]

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

What the public record says

1-hydroxyl-1H-pyridine-2-thione · CAS 1121-30-8 · C5H5NOS. UNII 6GK82EC25D. Boiling Point: 100; LogP: 0.4.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.