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Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) acts as a stabilizer and viscosity building provider in weak basic or neutral medium.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) inhibits the growth of fungi, yeast, mold, and bacteria in cooling fluids, paints, lubricants, and some cosmetic products.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
CAS Number: 3811‑73‑2
EC Number: 223‑296‑5
Molecular formula: C₅H₄NNaOS
Molecular weight: ~149.15–151.16 g/mol (sometimes listed ~151 g/mol)
SYNONYMS:
Sodium Omadine, Sodium Pyrithione, Pyridine-2-thiol-1-oxide sodium salt, 2-Mercaptopyridine N-oxide sodium salt, Omadine sodium, Pyrithione sodium salt, Sodium pyrithione, PYRITHIONE SODIUM, Sodium Omadine, 15922-78-8, 3811-73-2, Omadine sodium, Omacide 24, Omadine-sodium, Caswell No. 790A, Pyrithione sodium [USAN], Pyrithione sodium salt, Sodium 2-pyridinethiol-1-oxide, AL02725, 2(1H)-Pyridinethione, 1-hydroxy-, sodium salt, Tomicide s, Sodium 1-hydroxypyridine-2-thione, EINECS 240-062-8, EPA Pesticide Chemical Code 088004, SQ 3277, Topcide 280, 1-Hydroxy-2(1H)-pyridinethionato sodium, Sodium omadine (TN), 1-Hydroxy-2(1H)-pyridinethione, sodium salt, Pyrithione sodium (USAN), Sodium omadine (VAN), Sel de sodium de 1-hydroxy-2 (1H)-pyridinethione [French], Sodium pyrithione (VAN), DTXSID6034920, Sel de sodium de 1-hydroxy-2 (1H)-pyridinethione, AL-02725, NSC-4483, SODIUM SALT OF 1-HYDROXY 2(1H)-PYRIDINE THIONE, 2-PYRIDINETHIOL-1-OXIDE, SODIUM SALT, PYRITHIONE SODIUM [WHO-DD], DTXCID4014920, SODIUM PYRITHIONE [INCI], 223-296-5, 240-062-8, 2(1h)-pyridinethione, 1-hydroxy-, sodium salt (1:1), 2-pyridinethiol, 1-oxide, sodium salt (1:1), sodium;1-oxidopyridine-2-thione, Sodium 2-thioxopyridin-1(2H)-olate, 2-Mercaptopyridine n-oxide sodium, 2-Mercaptopyridine N-oxide sodium salt anhydrous, Pyrithione (sodium), SCHEMBL271923, CHEMBL2105351, HY-B1747A, Sodium 2-sulfidopyridine 1-oxide, CHEBI:201738, 2-mercaptopyridinen-oxidesodiumsalt, AKOS015891512, DA-49434, NS00054613, D05662, Sodium omadine, Na-2-pyridinethiol-1-oxide, Sodium pyrithione, 1-Hydroxypyridine-2-thione sodium salt, 2-Mercaptopyridine-N-oxide, 2-pyridinethiol-1-oxide, 1-Hydroxy-2(1H)-pyridinethione, 2-Pyridinethiol, 1-oxide, sodium salt (1:1), 2-Pyridinethiol, 1-oxide, sodium salt, Sodium, (2-pyridylthio)-, N-oxide, 2-Pyridinethiol, 1-oxide, sodium deriv., Sodium 2-mercaptopyridine 1-oxide, Sodium 2-pyridinethiol 1-oxide, Sodium, (2-pyridinylthio)-, N-oxide, Sodium 2-pyridinethiol N-oxide, Thione (reagent), 2-Mercaptopyridine N-oxide sodium salt, Sodium 2-pyridinethiolate 1-oxide, 2-Mercaptopyridine oxide sodium salt, 2-Pyridinethiol N-oxide sodium salt, Sodium pyrithione, 1-Oxo-2-pyridinethiol sodium salt, 2-Mercaptopyridine 1-oxide sodium salt, Sodium pyridine-2-thione-N-oxide, Sodium 2-mercaptopyridine N-oxide, Sodium pyridine-1-oxide-2-thiolate, 2-Pyridylthiol-N-oxide sodium salt, Topcide 280, San-aibac Sodium Omadine, Sodium 2-pyridinethiolate N-oxide, Tomicide S, Hokucide N 100, Sodium (2-pyridylthio-1-oxide), Hokucide N38, Starcide SP 40, 2-Pyridinethiol 1-Oxide Sodium Salt (1:1), 2-Pyridinethiol 1-Oxide Sodium Deriv., 2-Pyridinethiol 1-Oxide Sodium Salt, Sodium (2-pyridylthio)-N-oxide, 1-Oxo-2-pyridinethiol Sodium Salt, Sodium Pyridine-2-thione-N-oxide, Sodium Pyrithione, 2-Mercaptopyridine 1-Oxide Sodium Salt, 2-Mercaptopyridine N-oxide Sodium Salt, 2-Mercaptopyridine Oxide Sodium Salt, 2-Pyridinethiol N-Oxide Sodium Salt, 2-Pyridylthiol-N-oxide Sodium Salt, Sodium (2-Pyridinylthio)-N-oxide, 1-Hydroxy-2-pyridinethione sodium salt, 2-Mercaptopyridine-1-oxide sodium salt, 2-Pyridinethiol-1-oxide sodium salt, Pyrithione sodium salt, 2-Mercaptopyridine N-oxide sodium salt anhydrous, Sodium omadine, sodium pyrithione, 2-Mercaptopyridine-N-oxide, sodium salt, N-Hydroxy-2-pyridinethione, sodium salt, 2-Pyridinethiol-1-oxide, sodium salt, Mercaptopyridine-N-oxide sodium salt, 2-Pyridinethiol 1-Oxide Sodium Salt (1:1), 2-Pyridinethiol 1-Oxide Sodium Deriv., 2-Pyridinethiol 1-Oxide Sodium Salt, Sodium (2-pyridylthio)-N-oxide, 1-Oxo-2-pyridinethiol Sodium Salt, 2-Mercaptopyridine 1-Oxide Sodium Salt, 2-Mercaptopyridine N-oxide Sodium Salt, 2-Mercaptopyridine Oxide Sodium Salt, 2-Pyridinethiol N-Oxide Sodium Salt, 2-Pyridylthiol-N-oxide Sodium Salt, Hokucide N 100, San-aibac Sodium Omadine, Sodium (2-pyridylthio-1-oxide), Sodium 2-mercaptopyridine 1-Oxide, Sodium 2-Mercaptopyridine N-Oxide, Sodium 2-Pyridinethiol 1-Oxide, Sodium 2-Pyridinethiol N-Oxide, Sodium 2-Pyridinethiolate 1-Oxide, Sodium 2-Pyridinethiolate N-Oxide, Sodium Pyridine-1-oxide-2-thiolate, Sodium Pyridine-2-thione-N-oxide, Sodium Pyrithione, Sodium (2-Pyridinylthio)-N-oxide, Thione (reagent), Tom, 2-Pyridinethiol,1-oxide,sodium salt (1:1), 2-Pyridinethiol,1-oxide,sodium salt, Sodium,(2-pyridylthio)-,N-oxide, 2-Pyridinethiol,1-oxide,sodium deriv., Sodium 2-mercaptopyridine 1-oxide, Sodium 2-pyridinethiol 1-oxide, Sodium,(2-pyridinylthio)-,N-oxide, Sodium 2-pyridinethiol N-oxide, Thione (reagent), 2-Mercaptopyridine N-oxide sodium salt, Sodium 2-pyridinethiolate 1-oxide, 2-Mercaptopyridine oxide sodium salt, 2-Pyridinethiol N-oxide sodium salt, Sodium pyrithione, 1-Oxo-2-pyridinethiol sodium salt, 2-Mercaptopyridine 1-oxide sodium salt, Sodium pyridine-2-thione-N-oxide, Sodium 2-mercaptopyridine N-oxide, Sodium pyridine-1-oxide-2-thiolate, 2-Pyridylthiol-N-oxide sodium salt, Topcide 280, San-aibac Sodium Omadine, Sodium 2-pyridinethiolate N-oxide, Tomicide S, Hokucide N 100, Sodium (2-pyridylthio-1-oxide), Hokucide N38, Starcide SP 40, 5412-36-2, 75164-71-5, 878632-79-2
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is the sodium salt form of pyrithione, a fungistatic and antimicrobial derivative of aspergillic acid.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) apparently exists in equilibrium with the -SH form.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) forms chelates with iron, manganese, zinc, etc.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) acts as labelling agent during indium-111 labelling of human platelets.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) acts as bioactive ligand and forms palladium and platinum complexes, which were tested as potential antitrypanosomal agents.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine)is a chemical compound that serves primarily as an antimicrobial and antifungal agent.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is the sodium salt of pyrithione, a heterocyclic compound known for its effectiveness against a variety of microorganisms, including bacteria and fungi.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is typically a white to off-white powder that is soluble in water, making it suitable for various applications in personal care products, such as shampoos and skin treatments, particularly for conditions like dandruff and seborrheic dermatitis.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine)'s mechanism of action involves the inhibition of cellular respiration in fungi and bacteria, disrupting their growth.
Additionally, Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is recognized for its stability and low toxicity, which contributes to its widespread use in cosmetic formulations and industrial applications, including coatings and plastics.
However, Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is essential to handle it with care, as it can cause skin irritation in some individuals.
Overall, Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is valued for its broad-spectrum antimicrobial properties and versatility in various formulations.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 10 to < 100 tonnes per annum.
USES and APPLICATIONS of SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is a preservative that is not commonly used because of some level of toxicity.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is a bactericide for use in cooling fluids and short-term in-can preservation of vinyl acetate latex, paints, and synthetic-fiber lubricants; preservative for cosmetic rinse-off products.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is one of the active components in paint, sealants, shampoo, adhesive and aerosol due to its anti-microbial activity.
In biochemistry studies, Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is utilized to transport zinc into cells.
Further, Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used to form bidentate oxothiolane chelates with transition metals.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) acts as a stabilizer and viscosity building provider in weak basic or neutral medium.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) inhibits the growth of fungi, yeast, mold, and bacteria in cooling fluids, paints, lubricants, and some cosmetic products.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used in the following products: laboratory chemicals.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is being reviewed for use as a biocide in the EEA and/or Switzerland, for: disinfection, product preservation, preservation films, preservation of fibres, leather, rubber, or polymers, preservation for construction materials, preservation for working / cutting fluids.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used in the following areas: health services.
Other release to the environment of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is likely to occur from: indoor use as processing aid.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used in the following products: laboratory chemicals and plant protection products.
Release to the environment of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) can occur from industrial use: formulation of mixtures.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used in the following products: plant protection products.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used in the following areas: agriculture, forestry and fishing.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used for the manufacture of: chemicals.
Release to the environment of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) can occur from industrial use: manufacturing of the substance and as an intermediate step in further manufacturing of another substance (use of intermediates).
Release to the environment of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) can occur from industrial use: manufacturing of the substance and as an intermediate step in further manufacturing of another substance (use of intermediates).
Cosmetics & personal care: Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is widely used in anti-dandruff shampoos and hair conditioners; an alternative to ZnP.
Industrial preservatives/biocide: Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) controls microbial growth in metal-working fluids, paints, adhesives, sealants, lubricants, and latex.
Agricultural & leather use: Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is applied as a fungicide in leather processing and crop protection.
Analytical chemistry: Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) functions as a chelating agent for metal ions.
-Uses of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine):
*Bactericide and preservative in:
Water based printer’s ink, Antibacterial agent in metalworking fluids, Cooling fluid additive, Paints, Synthetic fiber lubricants, Vinyl acetate latex, Semisynthetic and synthetic oils, Sealants, Adhesives, Laundry rinse additive, Carpet cleaners, Patching compounds, and Caulking material.
*Preservative in:
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used in Anti-dandruff shampoos, Cosmetic rinse off products, and Makeup removers.
-Uses of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine): Bactericide for use in cooling fluids and short term -in can- preservation of vinyl acetate latex, paints and synthetic fiber lubricants.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used preservative for cosmetic rinse-off products.
USE AND MANUFACTURING OF SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) can be used in metal cutting fluid, anti-rust fluid, latex paint, adhesive, leather products, textile products, copper paper and other fields.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used in various antifungal drugs and shampoo and skin care products in the pharmaceutical and chemical industry, it not only prevents product corruption and mildew, but also relieves itching and dandruff, which is very effective.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is an excellent disinfectant for silkworms.
Products such as disinfectants, detergents and medical broad-spectrum antifungal dermatological drugs can be formulated.
WHAT IS SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE) AND WHERE IS SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE FOUND?
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used as an anti-fungal, anti-bacterial and anti-seborrheic agent in many therapeutic shampoos, hair creams and other cosmetic products for the treatment of skin problems.
Further research may identify additional product or industrial usages of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine).
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is used for shampoo to dandruff.
Chemical antibacterial agent has the characteristics of high efficiency, broad spectrum, low toxicity and stable aqueous solution.
The main application areas of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) include: daily chemical products, adhesives, paper, medicine, pesticides, leather products, disinfection products.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is mainly used for anti-mildew and antibacterial products in the fields of daily chemicals (shampoo and hair care products), architectural coatings, adhesives, sealants, pesticides, textiles, leather products, metal working fluids, etc.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) can also be formulated for disinfection agents, detergents and medical broad-spectrum antifungal dermatological products.
At the same time, Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is also an effective fungicide and an excellent common disinfectant for fruit trees, peanuts, wheat, vegetables and other crops.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine)'s derivative product, zinc pyrithione, is also a commonly used fungicide for daily chemicals.
✅ BENEFITS & CHARACTERISTICS OF SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
*Broad-spectrum antimicrobial:
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is effective against fungi, yeast, Gram-positive & Gram-negative bacteria.
*Membrane-disrupting mode of action:
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) inhibits metal homeostasis in microbes.
*Water-soluble yet stable:
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is ideal for aqueous products with balanced pH.
*Stability:
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) tolerates 4.5–9.5 pH; stable up to ~120 °C in neutral conditions.
CHEMICAL PROPERTIES OF SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) belongs to pyridine derivatives fungicide, appearance is yellow full light dumpling transparent liquid, melting point 250 ℃, slightly characteristic odor.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is soluble in water and ethanol and other organic solvents, solubility (by mass fraction): water 53%, ethanol 19%, polyethylene glycol (PECG400) 12%.
Best use of Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) pH range 7 to 10, mass fraction of 2% aqueous solution pH 8.0.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is unstable to light, oxidizing agents and strong reducing agents.
Non-ionic surfactants will deactivate it somewhat, and Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) can chelate with heavy metals.
KEY CHARACTERISTICS OF SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is the sodium salt of pyrithione, exhibiting both antimicrobial and antifungal activity.
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) exists in two tautomeric forms—thione (major) and thiol—and can form chelates with metal ions like Fe²⁺ and Zn²⁺.
BIOCHEM/PHYSIOL ACTIONS OF SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is a zinc ionophore that transports zinc into cells.
PURIFICATION METHODS OF SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
When recrystallised from water, Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) assayed as 98.7% based on AgNO3 titration.
MODE OF ACTION OF SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is the sodium salt form of pyrithione, a fungistatic and antimicrobial derivative of aspergillic acid.
Although the exact mechanism of action remains to be fully elucidated, Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) appears to interfere with membrane transport ultimately leading to a loss of metabolic control.
WHERE IS SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE) FOUND?
Sodium-2-pyridinethiol-1-oxide (Sodium-Omadine) is a bactericide and preservative found in coolants, make-up removers, paints, lubricants, and latex.
WHAT ARE SOME PRODUCTS THAT MAY CONTAIN SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE)?
Household Products
• Cooling fluids
• Paints
• Synthetic fiber lubricants
• Vinyl acetate latex
Liquids
• Cosmetic rinse-off products
PHYSICAL and CHEMICAL PROPERTIES of SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
IUPAC name: Sodium 2‑pyridinethiol‑1‑oxide (also called 2‑mercaptopyridine N‑oxide sodium salt)
CAS Number: 3811‑73‑2
EC / EINECS Number: 223‑296‑5
Molecular formula: C₅H₄NNaOS
Molecular weight: ~149.15–151.16 g/mol (sometimes listed ~151 g/mol)
Appearance: Yellow to brown crystalline powder or liquid (as 40% aqueous solution)
Melting point: ~–25 °C (crystalline form)
Boiling point: ~109 °C (likely decomposition)
Density: ~1.22 g/cm³ (solid)
Water solubility: ~54.7 g/100 mL at 20 °C
Log P: ~–2.38 (hydrophilic)
pH (40% solution): ~9.5–11.5
Molecular Weight: 149.15 g/mol
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 2
Rotatable Bond Count: 0
Exact Mass: 148.99112921 Da
Monoisotopic Mass: 148.99112921 Da
Topological Polar Surface Area: 58.4 Ų
Heavy Atom Count: 9
Formal Charge: 0
Complexity: 166
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 2
Compound Is Canonicalized: Yes
Empirical Formula (Hill Notation): C5H4NNaOS
CAS Number: 3811-73-2
Molecular Weight: 149.15
Beilstein: 4026050
EC Number: 223-296-5
MDL number: MFCD01941547
UNSPSC Code: 51102829
PubChem Substance ID: 24895565
NACRES: NA.85
Physical state: crystalline
Color: beige
Odor: Stench.
Melting point/freezing point: No data available
Initial boiling point and boiling range: No data available
Flammability (solid, gas): No data available
Upper/lower flammability or explosive limits: No data available
Flash point: Not applicable
Autoignition temperature: 240 - < 250 °C
Decomposition temperature: No data available
pH: No data available
Viscosity:
Viscosity, kinematic: 6,687 mm²/s at 20 °C
Viscosity, dynamic: No data available
Water solubility: 646.6 g/l at 20.1 °C - completely soluble
Partition coefficient:
n-octanol/water log Pow: -2.69 at 20 °C - Bioaccumulation is not expected.
Vapor pressure: No data available
Density: No data available
Relative density: 1.6 at 23.6 °C - OECD Test Guideline 109
Relative vapor density: No data available
Particle characteristics: No data available
Explosive properties: No data available
Oxidizing properties: none
Other safety information:
Surface tension: 65.01 mN/m at 20.1 °C
Formula: C5H5NOS·Na
InChI: InChI=1S/C5H5NOS.Na/c7-6-4-2-1-3-5(6)8;/h1-4,8H;
InChI key: InChIKey=XDILZEPJCPEDLT-UHFFFAOYSA-N
SMILES: [Na].O=N=1C=CC=CC1S
Molecular Weight: 149.15
Exact Mass: 148.991
BRN: 4026050
EC Number: 223-296-5
HS code: 29333990
PSA: 58.4
XLogP3: 1.02090
Appearance: very deep brown Solution
Density: 1.22
Melting Point: -25 °C
Boiling Point: 109 °C
Flash Point: 107.3ºC
Water Solubility: H2O: 54.7 g/100 mL
Storage Conditions: Keep container closed when not in use.
Store in a tightly closed container.
Store in a cool, dry, well-ventilated area away from incompatible substances.
Store protected from moisture.
Formula / Mol. Wt.: C₅H₄NNaOS / ~149–151 g/mol
CAS / EC Number: 3811‑73‑2 / 223‑296‑5
Appearance: Yellow/brown crystalline or aqueous liquid
Melting / Boiling Point: ~–25 °C / ~109 °C
Density: ~1.22 g/cm³
Solubility: Highly soluble in water
Log P: –2.38 (hydrophilic)
pH (40% solution): ~9.5–11.5
Main Uses: Antimicrobial in cosmetics, industrial biocide, fungicide
Safety hazards: Skin/eye irritant; toxic; aquatic hazard
Handling: PPE, ventilation, segregated storage
Molecular Formula: C₅H₄NNaOS
Molecular Weight: 327.23
Appearance: No Data Available
Purity: >98%
Storage Condition: No Data Available
Melting point: -25 °C
Boiling point: 109 °C
Density: 1.22
Vapor pressure: 0-0Pa at 25℃
Refractive index: 1.4825
Storage temp.: Hygroscopic, -20°C Freezer, Under inert atmosphere
Solubility: H2O: 0.1 M at 20 °C, clear, faintly yellow
Form: Solution
Color: very deep brown
Biological source: synthetic
Water Solubility: 54.7 g/100 mL
Sensitive: Hygroscopic
λmax: 334nm(H2O)(lit.)
Merck: 14,7994
BRN: 4026050
InChIKey: WNGMMIYXPIAYOB-UHFFFAOYSA-M
LogP: -2.38 at 20℃ and pH7
Surface tension: 65.013-72.6mN/m at 1-1.02g/L and 20-20.1℃
CAS DataBase Reference: 3811-73-2(CAS DataBase Reference)
EWG's Food Scores: 1-3
FDA UNII: 6L3991491R
EPA Substance Registry System: Sodium (2-pyridylthio)-N-oxide (3811-73-2)
UNSPSC Code: 51102829
NACRES: NA.85
FIRST AID MEASURES of SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of SODIUM-2-PYRIDINETHIOL-1-OXIDE (SODIUM-OMADINE):
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
