
Sodium p-toluenesulfonate CAS 657-84-1
Factory Supply Sodium p-toluenesulfonate CAS 657-84-1 with Best Price
- Appearance: White powder
- Assay: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: Sodium p-toluenesulfonate supplement




Sodium p-toluenesulfonate: The Complete Guide
Index of Sodium p-toluenesulfonate Contents
- Item 1: Basic Info of Sodium p-toluenesulfonate
- Item 2: What is Sodium p-toluenesulfonate?
- Item 3: Sodium p-toluenesulfonate Uses
- Item 4: The Manager has Something to Say
- Item 5: Preparation of Sodium p-toluenesulfonate
- Item 6: Quality Control of Sodium p-toluenesulfonate
- Item 7: Hot Sale Products
- Item 8: Get Sodium p-toluenesulfonate Quotation
Sodium p-toluenesulfonate for Sale
Basic Info of Sodium p-toluenesulfonate
Chemical Name: | Sodium p-toluenesulfonate |
Other Name: | Sodium toluene sulfonate; sodium para toluene sulfonate; toluenesulfonate |
CAS: | 657-84-1 |
EINECS: | 211-522-5 |
Type: | Pharmaceutical raw materials; Inorganic salts; pharmaceutical, pesticide, dye intermediates |
Molecular Formula: | C7H7NaO3S |
Molecular Weight: | 194.18 |
Melting point | >300°C |
density | 1.55 g/cm3 (20℃) |
vapor pressure | <1 hPa (20 °C) |
Fp | 500 °C |
storage temp. | Store below +30°C. |
solubility | 818g/l soluble |
form | Powder |
color | White to off-white |
Water Solubility | soluble |
Stability: | Stable. Incompatible with strong oxidizing agents. |
Brand Name: | Zhishang Chemical |
Provide: | Sodium p-toluenesulfonate MSDS; Sodium p-toluenesulfonate COA |
What is Sodium p-toluenesulfonate?
Sodium p-toluenesulfonate is an anionic surfactant, and is also an important raw material for the organic synthesis industry and a synthetic intermediate for medicine.
Sodium p-toluenesulfonate is a white powdery crystal, easily soluble in water. It is generally obtained by neutralization with alkali after sulfonation with toluene. Mainly used as conditioner, co-solvent for synthetic detergents, and intermediates for pharmaceutical synthesis. Sodium p-toluenesulfonate is used as water co-solvent for synthetic detergent in shower gel, which can increase water content and have good effects on fluidity, hand feel, and anti-caking properties.
Sodium p-toluenesulfonate Uses
- Sodium p-toluenesulfonate is made use of as an anti bond representative in powder products, a solubilizer in cleaning agents and a diluent in dyes.
- Sodium p-toluenesulfonate is typically used as a sustaining electrolyte for the deposition of polypyrrole movies and as a solute to research the properties of resin particles.
- Salt p-toluenesulfonate was used as supporting electrolyte for the deposition of polypyrrole membrane. It is additionally utilized as a solute to research the buildings of material particles.
- Slurry conditioner for chemical market and also artificial cleaning agents.
- Salt p-toluenesulfonate can be used to clean explosives successfully.
The Manager has Something to Say

This is William, CEO of Zhishang Chemical Co., Ltd.
Welcome to visit our factory . As the top chemical manufacturer, we have been striving for product quality, innovation , R&D, and customer service for the past 7 years. In the next 10 years or even longer, we are committed to becoming the most reliable chemical supplier in the world , creating a well-known international brand trusted by customers, with the spirit of “one meter wide, ten thousand meters deep”, we continue to focus on product research and development, continue to focus on customer service, continue to improve the supply chain service system, to create a professional chemical supply service team, to achieve win-win long-term cooperation. Please feel free to contact us if you have any questions.
Contact Us
- Email: sales002@sdzschem.com
- Phone: +86 176 5311 3209
- WhatsApp: +86 176 5311 3209
- WeChat: Zhishang17653113209
- Skype: +86 176 5311 3209
If you want to buy sodium p-toluenesulfonate, pls contact us to get a free quote.
Preparation of Sodium p-toluenesulfonate
Background and overview
Sodium p-toluenesulfonate is an anionic surfactant, and is also an important raw material for the organic synthesis industry and a synthetic intermediate for medicine.
The environmentally friendly production method for preparing sodium p-toluenesulfonate from waste sulfuric acid comprises the following steps:
- In the 500-milliliter there-necked flask installed with thermometer, azeotropic distillation condenser, dropping funnel, add 217.8 parts of waste sulfuric acid produced after the dehydration of hydrochloric acid of content 45% to prepare hydrogen chloride gas, concentrate to content 75%, the remaining About 131 parts; 117 parts of toluene with a content of 99% were added dropwise at 110°C under stirring, and the dropwise addition time was 1.5 hours; after the dropwise addition, the reflux was maintained at 110°C and the water was separated from the water outlet of the oil-water separator at the same time. , the toluene is refluxed into the there-necked flask; when the water separation volume reaches 45 ml, the reaction ends, and the reaction time is 6 hours; continue to heat, distill and reclaim excess toluene, and stop collecting toluene when the temperature in the reactor reaches 140 ° C; the collected The weight of toluene is 24.4 grams, and the content is 95.9%;
- After the reaction system is cooled to below 70 ℃, the sodium hydroxide aqueous solution that the weight percent concentration is 30% is slowly added dropwise to the reactor under stirring to carry out neutralization reaction, neutralized to PH=8, sodium hydroxide The dosage of the aqueous solution is 148 grams; during the neutralization process, the temperature is maintained at 70-90 ° C, and the stirring is continued for 15 minutes after the addition of the aqueous sodium hydroxide solution;
- Add 2 grams of powdered activated carbon, stir at 85-90 ° C for 30 minutes, heat to boiling, steam 45 grams of water; then filter while hot, the filter cake is activated carbon and by-product sodium sulfate and a small amount of sodium p-toluenesulfonate product The filtrate was transferred into the beaker, crystallized by cooling, suction filtration, washed with 15 grams of ice water and dried to obtain 193.5 grams of sodium p-toluenesulfonate with an active content of 79.5%, yield 79.3%; 68.5 grams of mother liquor, active The material content is 41.5%, the conversion yield is 14.7%, and the total total yield is 94%.
A BHT production neutralization wastewater, wherein the content of sodium p-toluenesulfonate is 19.8%, and the content of alkali neutralizer (alkali containing sodium ions) is 3.7%. The concrete steps utilizing this neutralization wastewater to produce sodium p-toluenesulfonate include:
Add an appropriate amount of pH adjuster (p-toluenesulfonic acid) to the pH adjustment kettle to adjust the pH value of the neutralized wastewater to 6 to 7, then the pump is transferred to the decolorization kettle, and activated carbon is added to the decolorization kettle and heated to 80 to 90 ° C. After stirring for 1 hour for decolorization, the pump is transferred to the filter press to filter out the activated carbon, and the liquid enters the evaporation and concentration kettle. When heated and evaporated under normal pressure to a normal pressure of 120-125 °C, it enters the slicer to cool and slice to obtain the product sodium p-toluenesulfonate. , and the evaporated water vapor is condensed and recycled to prepare water for alkali neutralizing agent. After sampling and analysis, the content of sodium p-toluenesulfonate is 89.4%, which can reach the refined grade standard and meet the market quality requirements.
Quality Control of Sodium p-toluenesulfonate


