C5H5NOS
127.17 g/mol
Industrial ChemicalDanger
Pyrithione
CAS1121-31-9EC214-328-9
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
biocide in metalworking fluids
Pyrithione is a chemical compound with a heterocyclic structure, commonly used as a biocide. Its primary industrial significance lies in its role as an antimicrobial agent in metalworking fluids.
biocide in metalworking fluidsbiocide in the aircraft industryantifungal agent and disinfectant
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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chemical intermediate
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Chemical intermediate for dyes and polymers
Referencesame scaffold
Pyrithione zinc
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Antifungal and antibacterial agent
Referencesame scaffold
Pyrithione copper
CAS14915-37-8
industrial biocide and fungicide
Referencesame scaffold
2-Mercapto-5-nitropyridine
CAS2127-09-5
research compound
Referencesame scaffold
3-Amino-5-chloro-2(1H)-pyridinethione
CAS21427-63-4
Heterocyclic research reagent
Safety Reference
Danger
H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Pyrithione (CAS 1121-31-9) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-hydroxypyridine-2-thione
InChIKey
YBBJKCMMCRQZMA-UHFFFAOYSA-N
SMILES
C1=CC(=S)N(C=C1)O
Synonyms (35)
- BEW
- 1-Hydroxy-2-pyridinethione
- 1-hydroxypyridine-2-thione
- 1-oxidanylpyridine-2-thione
- 1-oxidopyridin-1-ium-2-thiol
- 2-HPT cpd
- 2-MERCAPTOPYRIDINE 1-OXIDE
- 2-MERCAPTOPYRIDINE-N-OXIDE
- 2-Mercaptopyridine monoxide
- 2-Pyridinethiol 1-oxide
- 2-Thiopyridine-N-oxide-
- 2-ercaptopyridine--xide
- 2-mercaptopyridine-1-oxid
- 2-pyridinethiol-N-oxide
- 2-sulfanylpyridin-1-ol
- N-Hydroxypyridine-2-thione
- Omadine
- Pyridine-2-thiol N-oxide
- mercapto pyridine-1-oxide
- pyridine-2-thiol 1-oxide
- pyridinethiol n-oxide
- pyrithione
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