Sodium p-toluenesulfonate CAS 657-84-1
Chemical name: Sodium p-toluenesulfonate
Synonymous names:sodiumparatoluenesulphonate;naxonatehydrotrope;sodiump-methylbenzenesulfonate
CAS No:657-84-1
Molecular formula:C7H9NaO3S
Molecular weight:196.2
EINECS No:211-522-5
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Structural formula:
Product Description:
Items |
Standard |
Result |
Appearance |
white powder |
white powder |
Actives |
≥78.00% |
79.63% |
Sulfate |
≤6.00% |
5.32% |
chloride |
≤2.00% |
1.79% |
Moisture |
≤14.00% |
13.28% |
Properties and Usage:
Sodium p-toluenesulfonate (CAS 119-36-8) is mainly used in dyes, pigments, electroplating, petrochemicals, medicine, cosmetics and other industries.
1. Dispersing and dissolving aids for dyes and pigments
Sodium p-toluenesulfonate is often used in the production of reactive dyes and acid dyes as a dispersant and dissolution promoter to improve the water solubility and stability of dyes and ensure uniform dyeing effects.
2. Current dispersant in electroplating and electrolysis processes
As a current dispersant, it improves the smoothness and uniformity of the coating, optimizes electroplating efficiency, and improves surface quality.
3. Lubricant and dispersant for oil drilling fluids
It is used as a lubricant and dispersant in oil drilling fluids to improve rheological properties, prevent well wall collapse, and enhance operational safety.
4. Emulsification and solubilization in medicine and cosmetics
As an intermediate, sodium p-toluenesulfonate participates in drug synthesis. In cosmetics, it acts as an emulsifier and solubilizer to improve product stability and promote dissolution.
5. Surfactants in detergents and cleaning agents
Used in detergents and cleaning agents, it has good emulsification, wetting and decontamination capabilities.
6. Catalyst aids for synthetic resins and polymers
In the production of synthetic resins and polymers, as a catalyst aid, sodium p-toluenesulfonate improves the efficiency of polymerization reactions and improves the performance of the final product.
7. Auxiliary agents for acidic catalysts
In organic chemical reactions, as an acidic catalyst aid, sodium p-toluenesulfonate promotes the efficient conduct of various reactions.
8. Flocculation and scale inhibitors in water treatment
As a flocculant and scale inhibitor in the field of water treatment, it prevents scaling and corrosion and improves the water quality treatment effect.
9. Surfactants in pesticides and food industries
As a surfactant, sodium p-toluenesulfonate improves the effect of pesticides and can also be used as a food additive that meets regulations.
Storage conditions: 1. Store in a sealed container in a cool, dry place. Keep away from oxidants.
2. Pack in plastic bags and glass fiber woven bags, 50kg per bag. Store in a cool, ventilated, dry place. Store and transport according to general chemical regulations.
Packing: This product is packed in 25kg bag, and it can also be customized according to customers' requirements