Sodium pyrithione, 96%

Name: Sodium pyrithione, 96%
Brand: Vaqora Chemicals
SKU: VQ-011892

About Sodium pyrithione, 96%

Vaqora Chemicals supplies Sodium pyrithione, a pyridine derivative registered under CAS number 3811-73-2 at a purity of 96%. Formula C5H4NNaOS, molecular weight 149.15 g/mol. Its systematic (IUPAC) name is sodium 1-oxidopyridine-2-thione. Common synonyms include 2-Pyridinethiol 1-oxide sodium salt anhydrous and Pyrithione sodium salt anhydrous.

The material typically appears as white to yellow powder or crystals. Key physical data: a melting point of 287 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span coordination chemistry and organic synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Sodium pyrithione in 1 g, 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Coordination chemistry
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium pyrithione, 96%
Catalogue No.	VQ-011892
CAS Number	3811-73-2
IUPAC name	sodium 1-oxidopyridine-2-thione
Molecular formula	C₅H₄NNaOS
Molecular weight	149.15 g/mol
Exact mass	148.9911
Purity / assay	96%
HSN code	29332990
InChIKey	XNRNJIIJLOFJEK-UHFFFAOYSA-N
SMILES	C1=CC(=S)N(C=C1)[O-].[Na+]
PubChem CID	19658

Physical properties
Physical form	Crystalline
Appearance	White to yellow powder or crystals
Melting point	287 °C
H-bond donors / acceptors	0 / 2
TPSA	58.4 Å²
Synonyms	1-Hydroxy-2-pyridinethione sodium salt anhydrous, 2-Pyridinethiol 1-oxide sodium salt anhydrous, Pyrithione sodium salt anhydrous, 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

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 3811-73-2

Sodium pyrithione, ~40% in H2O

CAS: 3811-73-2
Formula: C₅H₄NNaOS
MW: 149.15 g/mol

VQ-011893

Frequently asked questions

What is the CAS number of Sodium pyrithione, 96%?

The CAS Registry Number of Sodium pyrithione, 96% is 3811-73-2. It is also known as 1-Hydroxy-2-pyridinethione sodium salt anhydrous, 2-Pyridinethiol 1-oxide sodium salt anhydrous, Pyrithione sodium salt anhydrous.

What is the molecular formula and molecular weight of Sodium pyrithione, 96%?

Sodium pyrithione, 96% has the molecular formula C5H4NNaOS and a molecular weight of 149.15 g/mol. Its IUPAC name is sodium 1-oxidopyridine-2-thione.

Which grade and pack sizes of Sodium pyrithione, 96% can I order?

We supply Sodium pyrithione, 96% in (96%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium pyrithione, 96%?

Yes. Every lot of Sodium pyrithione, 96% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sodium pyrithione, 96% be shipped internationally?

Yes. Sodium pyrithione, 96% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.