巯基吡啶氧化物钠盐
Sodium-2-pyridinethiol-1-oxide
CAS: 3811-73-2
Molecular Formula: C5H6NNaOS
巯基吡啶氧化物钠盐 - Names and Identifiers
| Name | Sodium-2-pyridinethiol-1-oxide |
| Synonyms | SPT NaPT Sodium omadine SODIUM OMADINE Sodium Pyrithione PYRITHIONE SODIUM SODIUM PYRITHIONE PYRITHIONE SODIUM SALT 2-thioxopyridin-1(2H)-olate SODIUM-2-PYRIDINETHIOL-1-OXIDE Sodium-2-pyridinethiol-1-oxide sodium pyridine-2-thiolate 1-oxide N-HYDROXYPYRIDINETHIONE SODIUM SALT 2-Mercaptopyridine-N-oxide sodium salt N-Hydroxy-2-pyridinethione sodium salt SODIUM PYRIDINE-2-THIOLATE 1-OXIDE HYDRATE |
| CAS | 3811-73-2 |
| EINECS | 223-296-5 |
| InChI | InChI=1/C5H5NOS.Na/c7-6-4-2-1-3-5(6)8;/h1-4,8H;/q;+1 |
| InChIKey | WNGMMIYXPIAYOB-UHFFFAOYSA-M |
巯基吡啶氧化物钠盐 - Physico-chemical Properties
| Molecular Formula | C5H6NNaOS |
| Molar Mass | 151.16 |
| Density | 1.22 |
| Melting Point | -25 °C |
| Boling Point | 109 °C |
| Water Solubility | 54.7 g/100 mL |
| Solubility | H2O: 0.1M at20°C, clear, faintly yellow |
| Vapor Presure | 0-0Pa at 25℃ |
| Appearance | Transparent solution |
| Color | very deep brown |
| Maximum wavelength(λmax) | ['334nm(H2O)(lit.)'] |
| Merck | 14,7994 |
| BRN | 4026050 |
| Storage Condition | Hygroscopic, -20°C Freezer, Under inert atmosphere |
| Sensitive | Hygroscopic |
| Refractive Index | 1.4825 |
| MDL | MFCD01941547 |
| Physical and Chemical Properties | Density 1.22 melting point -25-30°C boiling point 109°C water solubility 54.7g/100 mL |
| Use | Chemical antibacterial agent, with high efficiency, broad spectrum, low toxicity, stable aqueous solution and other characteristics |
巯基吡啶氧化物钠盐 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R36/38 - Irritating to eyes and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 3334 |
| WGK Germany | 3 |
| RTECS | UT9000000 |
| FLUKA BRAND F CODES | 3-13 |
| TSCA | Yes |
| HS Code | 29333990 |
巯基吡啶氧化物钠盐 - Reference Information
| LogP | -2.38 at 20℃ and pH7 |
| surface tension | 65.013-72.6mN/m at 1-1.02g/L and 20-20.1 ℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| traits | light yellow transparent water liquid white powder |
| use | 1, can be used in metal cutting fluid, antirust fluid, latex paint, adhesive, leather products, textile products, copper board paper and other fields. 2. It is used in various antifungal drugs and shampoo and skin care products in the pharmaceutical and chemical industry. It not only prevents the product from spoilage and mildew, but also relieves itching and dandruff, which is very effective. 3. It can be used as an effective fungicide for fruit trees, peanuts, wheat, vegetables and other crops. It is also an excellent silkworm disinfectant. 4, can be prepared disinfectants, washing agent and medical broad-spectrum antifungal dermatological drugs and other products. Used for shampoo to remove dandruff. chemical antibacterial agent has the characteristics of high efficiency, broad spectrum, low toxicity and stable aqueous solution. The main application fields include: daily chemical products, adhesives, paper making, medicine, pesticides, leather products, disinfection products, etc. Chemical research on application of 2-mercaptopyridine-N-oxide; Esterification reaction of carboxylic acid and N-oxide via decarboxylation radical chain reaction pathway Industrial antimildew fungicide, chemical antibacterial agent, It has the characteristics of high efficiency, broad spectrum, low toxicity, stable aqueous solution, etc. Carbonate and this oxide will undergo decarboxylation radial chain reaction. |
| product description | sodium pyrithione, also known as sodium pyridoxine, sodium oxamine, sodium pyridyl, α-mercaptopyridine-N-oxide, belongs to pyridine derivative fungicides, with a yellow all-light zonged transparent liquid in appearance, a melting point of 250 ℃ and a slight characteristic smell. Soluble in organic solvents such as water and ethanol, solubility (in terms of mass fraction): water 53%, ethanol 19%, polyethylene glycol (PEG400)12%. The best use pH range is 7~10, and the mass fraction is 2% aqueous solution with a pH value of 8.0. It is unstable to light, oxidant and strong reducing agent. Non-ionic surfactants can cause it to be slightly inactivated, and it can undergo chelation reaction with heavy metals. The main application fields include: daily chemical products, adhesives, paper making, medicine, pesticides, leather products, disinfection products, etc. |
| sodium pyrithione | sodium pyrithione (NPT) is the most effective water-soluble industrial mildew-proof preservative at present. it has the characteristics of high efficiency, broad spectrum, low toxicity and stability. it can be used in metal cutting fluid, antirust fluid, latex paint, adhesive, leather products, textile products, copper sheet paper and other fields. EEC and GB7916-87 stipulate that the maximum allowable concentration mass fraction of sodium pyrithione in cosmetics is 0.5%, which is only used in products washed off after use. Generally, the concentration is 250~1000 mg/kg. It is also used in industrial metal cutting oil as a preservative. |
| toxicity | acute oral toxicity: LD50 (mouse) 875mg/kg,LD50 (mouse) 1172mg/kg. subchronic toxicity (mice): after 30 days, no pathological changes were found after oral administration of 75mg/kg d and intraperitoneal administration of 40mg/kg d. rabbit eye stimulation test: the mass fraction is 10% solution pH7.8 ~ 7.9, with no stimulation effect. |
| antibacterial spectrum | the antibacterial spectrum of sodium pyrithione is as follows: ▼ ▲ test microbial biomass/~ 106CFU · ml-1MIC/μ g · ml-1 staphylococcus fecal streptococcus Escherichia coli murine typhimurium Pseudomonas aeruginosa Candida albicans, filomycete, trichophyton, Aspergillus nigricans, Penicillium nigricans 1286451240.522 |
Last Update：2024-04-09 02:00:08
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View History
巯基吡啶氧化物钠盐
3-硝基苯乙酸乙酯
1,2-二肉豆蔻酰-SN-甘油-3-磷酰胆碱
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ETHYLAMINE SOLUTION (2M IN METHANOL OR ETHANOL)
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3-硝基苯乙酸乙酯
1,2-二肉豆蔻酰-SN-甘油-3-磷酰胆碱
FMOC-L-PHE(4-CHO)
ETHYLAMINE SOLUTION (2M IN METHANOL OR ETHANOL)
反-1,2-二苯甲酰乙烯