Another name:Sodium Omadine、

Pyrazole sulfur mould net、Alpha - mercapto - pyridine -N- sodium oxide

Molecular formula:C5H4NOSNa

CAS NO.:3811-73-2



Another name:Sodium Omadine、Pyrazole sulfur mould net、Alpha - mercapto - pyridine -N- sodium oxide

Molecular formula:C5H4NOSNa

CAS NO.:3811-73-2

SPT structural formula:

Physicochemical property:

Molecular weight:149.16

Appearance: yellow or yellowish brown transparent liquid; The solid is a white like powder

Solubility: soluble in water, ethanol and other organic solvents

SpecificationIndustrial grade (liquid)Medical grade (solid)
appearancelight yellow liquidwhite powder
loss on drying%≤---5

Trace elements: customized supply

Stability: under the condition of avoiding the management plug-in light storage quality unchanged for two years


①Mouse acute oral LD50>1000mg/kg

②No irritation to skin

③The test was negative

Mildew and antibacterial effect:

This product has good inhibitory effect on 8 kinds of molds, 5 kinds of bacteria and 2 kinds of yeasts, and the minimum inhibitory concentration (MIC) of various microorganisms is as follows:

Microbial nameMIC  (PPM)Microbial nameMIC  (PPM)
Aspergillus niger8Bacillus subtilis3
Aspergillus flavus10Chaetomium globasum10
Aspergillus versicolor6Bacillus megatherium10
Penicillium citrinum6Escherichia coli8
Paecilomyces variotii 3Pseudomonas fluorescein15
Cladosporium herbarum3Staphylococcus aureus8
Trichoderma viride4Beer yeast5

Distillery yeast6


SPT is mainly used in daily chemical (shampoo and hair care products), building coatings, adhesives, sealants, pesticides, textiles, leather products, metal processing liquid and other fields of products mildew and antibacterial. It can also be used to prepare disinfectant, detergent and antifungal dermatology drugs. It is also an effective fungicide for fruit trees, peanuts, wheat and vegetables and an excellent disinfectant for silkworm. SPT and similar products are widely used in related fields for their high efficiency, broad spectrum and low toxicity.


1. Although this product is low in toxicity and safe to use, avoid touching mouth, eyes and skin. Please do a good job of protection during operation.

2.Please store it in a cool place away from light.

3. This product is packed in plastic drums (liquid), 25kg or 250kg.