Sodium pyrithione, ~40% in H2O

Name: Sodium pyrithione, ~40% in H2O
Brand: Vaqora Chemicals
SKU: VQ-011893

About Sodium pyrithione, ~40% in H2O

Sodium pyrithione (CAS 3811-73-2) is a pyridine derivative offered by Vaqora Chemicals, specified at 40% purity. The compound has the formula C5H4NNaOS, corresponding to a molecular weight of 149.15 g/mol. Its systematic (IUPAC) name is sodium 1-oxidopyridine-2-thione. It is also known as 1-Hydroxy-2-pyridinethione sodium salt or 2-Pyridinethiol-1-oxide sodium salt.

The material typically appears as a colourless to dark yellow to dark brown liquid. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include paints, coatings and inks, food and flavour applications, cosmetics and personal care and fuels and lubricants. It is used across pharmaceutical manufacturing, academic and industrial research and paints and coatings.

We offer Sodium pyrithione in 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium pyrithione, ~40% in H2O
Catalogue No.	VQ-011893
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	40%
HSN code	29332990
InChIKey	XNRNJIIJLOFJEK-UHFFFAOYSA-N
SMILES	C1=CC(=S)N(C=C1)[O-].[Na+]
PubChem CID	19658

Physical properties
Physical form	Solution
Appearance	Colourless to dark yellow to dark brown liquid
H-bond donors / acceptors	0 / 2
TPSA	58.4 Å²
Synonyms	1-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

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, 96%

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

VQ-011892

Frequently asked questions

What is the CAS number of Sodium pyrithione, ~40% in H2O?

The CAS Registry Number of Sodium pyrithione, ~40% in H2O is 3811-73-2. It is also known as 1-Hydroxy-2-pyridinethione sodium salt, 2-Pyridinethiol-1-oxide sodium salt, Pyrithione sodium salt.

What is the molecular formula and molecular weight of Sodium pyrithione, ~40% in H2O?

Sodium pyrithione, ~40% in H2O 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, ~40% in H2O can I order?

We supply Sodium pyrithione, ~40% in H2O in (40%) grade, in 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium pyrithione, ~40% in H2O?

Yes. Every lot of Sodium pyrithione, ~40% in H2O 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, ~40% in H2O be shipped internationally?

Yes. Sodium pyrithione, ~40% in H2O 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.