Sodium p-toluenesulfonate CAS 657-84-1 Information
| CAS |
657-84-1 |
| Molecular formula |
C7H7NaO3S |
| Molecular weight |
194.18 |
| EIENCS |
211-522-5 |
| Form |
Powder |
| Melting point |
>300°C |
| boling point |
/ |
| Density |
1.55 g/cm3 (20℃) |
| Solubility |
818g/l soluble |
| PKA |
/ |
| Color |
White to off-white |
| Storage temp |
Store below +30°C. |
What is Sodium p-toluenesulfonate CAS 657-84-1?
Purpose
Chemical industry and synthetic detergent field: Used as a slurry conditioner. Adding sodium p-toluenesulfonate to synthetic laundry powder can make various indicators of the laundry powder meet the ministry standards. It can also reduce the viscosity of the slurry, improve the fluidity of the slurry, make powder spraying more convenient, reduce energy consumption and increase production capacity. Increase the moisture content of water-based laundry detergent by 2-4% to reduce costs. Promote the hydration of pentasodium in laundry powder, enhance the anti-caking performance of laundry powder, and improve product quality; Reduce the loss of fine powder in the tail gas of the powder spraying tower, reduce pollution and increase output. In liquid detergents, it is mainly used as a solubilizer. After being added, it can reduce viscosity and cloud point. When in use, attention should be paid to the content of raw materials, inorganic salts and solubility. Especially in liquid detergents, the salt content has a significant impact on the transparency of the liquid.
In the field of fertilizer production: It is used as an additive for the crystallization of ammonium bicarbonate, which can reduce the moisture content of ammonium bicarbonate and prevent it from caking.
In the field of pharmaceutical synthesis: It is an important raw material for the organic synthesis industry. In medicine, it can be used to synthesize doxycycline, dipyridamine, naproxen, etc., and is also an intermediate for the production of amoxicillin and cefadroxil.
Sodium p-toluenesulfonate CAS 657-84-1 Use
Sodium p-toluenesulfate is usually a white powder crystal or white flaky crystal, generally a dihydrate crystal. It is highly soluble in water (with a solubility of 67g at 20℃ and 260g at 80℃), also soluble in methanol, and slightly soluble in most organic solvents. The pH of its 20g/L solution is 8-10. In terms of melting point, different materials have different records, with one being 300℃
And above 300℃
According to the statement, the flash point is 500℃.
The differences in melting points may be caused by factors such as measurement methods and sample purity. At present, there is not enough information to determine which data is more accurate. It is recommended to refer to professional scientific experiment reports or authoritative literature to obtain more precise melting point values.
