pyrithione sodium

Description

pyrithione sodium · CAS 15922-78-8 · C5H4NNaOS. UNII 6L3991491R. Vapor Pressure: 0.00000007 [mmHg].

Identification

CAS Registry Number	15922-78-8
PubChem CID	23685289
Molecular formula	C5H4NNaOS
IUPAC name	sodium 1-oxidopyridine-2-thione
UNII (FDA)	6L3991491R

Computed Descriptors

Molecular Weight	149.15
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	148.99112921
Monoisotopic Mass	148.99112921
Topological Polar Surface Area	58.4
Heavy Atom Count	9
Formal Charge	0
Complexity	166

Physical & Chemical Properties

Vapor Pressure	0.00000007 [mmHg]

Physical description & handling notes

• CBI
• Technical product is off-white solid; Formulated as liquid soluble concentrates; [Reference #1] 3811-73-2: Hygroscopic crystalline powder with a stench; [Alfa Aesar MSDS]

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS SODIUM SALT OF 1-HYDROXY 2(1H)-PYRIDINE THIONE 2-Pyridinethiol-1-oxide, sodium salt (CAS Reg. No. 3811-73-2) To be used as an antimicrobial agent in adhesives and in components of adhesives in paper towels for use in co
GHS notification summary	0.5% (5 / 962)

GHS Hazard Classification

GHS notification summary	0.5% (5 / 962)
Reported hazard statements	H302, H311, H315, H317, H319, H331, H372, H400

Documented Uses

• Used as biocide (controls slime forming bacteria and fungi) in aqueous functional fluids (metalworking, cutting, cooling, and lubricating), latex emulsions (adhesives, caulks, patching compounds, sealants, pastes, and grouts), aqueous fiber lubricants and inks, jet-printer inks, laundry rinse additives and detergents, carpet cleaners, analytical and diagnostic reagents; Also used as in-can preservative for water based mixtures used in making concrete (not covered in this RED); [Reference #1]
• Metal Machining [Category: Heat or Machine]
• Working with Glues and Adhesives [Category: Other]
• Using Disinfectants or Biocides [Category: Clean]
• Not Known or Reasonably Ascertainable
• Information on 2 consumer products that contain Sodium pyrithione in the following categories is provided:

Synonyms

Sodium pyrithione; PYRITHIONE SODIUM; Sodium Omadine; 15922-78-8; Omacide 24; Sodium 2-pyridinethiol-1-oxide; 2(1H)-Pyridinethione, 1-hydroxy-, sodium salt; AL02725; DTXSID6034920; NSC-4483; RefChem:177802; DTXCID4014920; 240-062-8; 6L3991491R; AL-02725; Pyrithione sodium salt

Frequently Asked Questions

What are the CAS number and molecular formula of pyrithione sodium?

CAS 15922-78-8; molecular formula C5H4NNaOS; molecular weight — g/mol.

What other names is pyrithione sodium known by?

Sodium pyrithione, PYRITHIONE SODIUM, Sodium Omadine, 15922-78-8, Omacide 24, Sodium 2-pyridinethiol-1-oxide.

What is the regulatory status of pyrithione sodium?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS.

Is pyrithione sodium classified as hazardous?

0.5% of GHS notifications report no hazard classification (5 of 962).

What are the key physical properties of pyrithione sodium?

Vapor Pressure: 0.00000007 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.