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Pyridine Derivatives

Sodium pyrithione, ~40% in H2O

Available on request

Buy Sodium pyrithione, ~40% in H2O (CAS 3811-73-2) from Zemixal: C5H4NNaOS, COA and SDS with every lot, worldwide shipping.

Pack sizes
Sodium pyrithione, ~40% in H2O chemical structure
CAS number3811-73-2
FormulaC5H4NNaOS
Molar mass149.15 g/mol
Physical formSolution
HS code29332990
Purity40%
InChIKeyXNRNJIIJLOFJEK-UHFFFAOYSA-N
IUPAC namesodium 1-oxidopyridine-2-thione

About Sodium pyrithione, ~40% in H2O

Sodium pyrithione, ~40% in H2O sits in our pyridine Derivatives section and ships worldwide from stock or short lead time. Key data (40%): CAS 3811-73-2, formula C5H4NNaOS and molar mass 149.15 g/mol. Expect colourless to dark yellow to dark brown liquid.

Use cases we see most often

  • Paints, coatings & inks
  • Food & flavour applications
  • Cosmetics & personal care
  • Fuels & lubricants

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H302+H312+H332, H302, H311+H331 and H311. Read the SDS before first use.

Available as 100 g and 500 g. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Paints, coatings & inks
  • Food & flavour applications
  • Cosmetics & personal care
  • Fuels & lubricants

Applications

Paints, Coatings and InksPharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Sodium pyrithione, ~40% in H2O
Product nameSodium pyrithione, ~40% in H2O
Catalogue numberZX-010951
CAS number3811-73-2
IUPAC namesodium 1-oxidopyridine-2-thione
Molecular formulaC5H4NNaOS
Molar mass149.15 g/mol
Exact mass148.9911
Purity / assay40%
Physical formSolution
AppearanceColourless to dark yellow to dark brown liquid
H-bond donors / acceptors0 / 2
Topological polar surface area58.4 Ų
HS code29332990
InChIKeyXNRNJIIJLOFJEK-UHFFFAOYSA-N
SMILESC1=CC(=S)N(C=C1)[O-].[Na+]
PubChem CID19658
Synonyms1-Hydroxy-2-pyridinethione sodium salt, 2-Pyridinethiol-1-oxide sodium salt, Pyrithione sodium salt, Omadine sodium, Sodium (2-pyridylthio)-N-oxide, sodium (1-oxidopyridin-1-ium-2-yl)sulfanide, 2-Mercaptopyridine 1-oxide sodium salt, 2-Mercaptopyridine n-oxide sodium, 2-Mercaptopyridinen-oxide sodiumsalt, 2-Mercaptopyridine N-oxide (sodium), 2-Pyridinethiol, 1-oxide, sodium salt (1:1), 2-Mercaptopyridine N-oxide sodium salt anhydrous

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled
  • H302Harmful if swallowed
  • H311+H331Toxic in contact with skin or if inhaled.
  • H311Toxic in contact with skin
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H331Toxic if inhaled
  • H332Harmful if inhaled
  • H372Causes damage to organs through prolonged or repeated exposure
  • H400Very toxic to aquatic life
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P260, P261, P262, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P317, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P361 + P364, P362 + P364

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sodium pyrithione, ~40% in H2O
100 gQuoted on request
500 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sodium pyrithione, ~40% in H2O

Which CAS number identifies Sodium pyrithione, ~40% in H2O?
Sodium pyrithione, ~40% in H2O is registered under CAS 3811-73-2. You may also see it listed as 1-Hydroxy-2-pyridinethione sodium salt, 2-Pyridinethiol-1-oxide sodium salt, Pyrithione sodium salt. Our catalogue number for this item is ZX-010951.
What are the formula and molar mass of Sodium pyrithione, ~40% in H2O?
For Sodium pyrithione, ~40% in H2O, its formula is C5H4NNaOS and its molar mass is 149.15 g/mol. The systematic (IUPAC) name is sodium 1-oxidopyridine-2-thione. InChIKey XNRNJIIJLOFJEK-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Sodium pyrithione, ~40% in H2O?
This listing is 40% purity. Standard packs are 100 g, 500 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium pyrithione, ~40% in H2O?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sodium pyrithione, ~40% in H2O to my country?
Yes. Because Sodium pyrithione, ~40% in H2O is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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