Sodium propynesulfonate
Sodium Propyne Sulfonate
CAS: 55947-46-1
Molecular Formula: C3H3NaO3S
Sodium propynesulfonate - Names and Identifiers
Sodium propynesulfonate - Physico-chemical Properties
| Molecular Formula | C3H3NaO3S |
| Molar Mass | 142.11 |
| Density | 1.04 g/mL at 25 °C |
| Melting Point | 220 °C (decomp)(Solv: methanol (67-56-1)) |
| Boling Point | 259.16℃[at 101 325 Pa] |
| Flash Point | 26 °C |
| Water Solubility | 19.904g/L at 25℃ |
| Vapor Presure | 0Pa at 25℃ |
| Storage Condition | Inert atmosphere,2-8°C |
| Use | Electroplating brightener, can improve the current density area brightness, enhance the walking force, leveling ability, impurity tolerance. |
Sodium propynesulfonate - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R63 - Possible risk of harm to the unborn child R10 - Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/38 - Irritating to eyes and skin. R40 - Limited evidence of a carcinogenic effect R48/20/22 - R68/20/21/22 - |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
Sodium propynesulfonate - Reference Information
| LogP | -2.17 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| electroplating intermediate | 1. In bright nickel plating, sodium propargyl sulfonate (PS) is an auxiliary release agent, which can improve the brightness and filling of high and low areas, and the effect is obvious, and the brittleness of the coating is small; 2. It is usually used in combination with secondary brighteners such as saccharin and alkynyl alcohols. 3. Electroplating brightener, can improve the brightness of the current density region, enhance the walking force, leveling ability, impurity tolerance; Production of PS intermediate product of propylene chloride, the use of advanced production technology, no oil, the purity of propargyl chloride was more than 99%. So as to ensure the high purity of PS, without oil, while using a unique production technology, to reduce the PS polymerization oxidation, so as to ensure that the PS light color, no polymer. In addition, the process of removing unreacted SO32-is added, so that the low area of the plating piece is not black, the high area is not rough, and the plating solution is not polished, and the plating solution can be used stably for a long time. |
| Application | electroplating brightener, can improve the brightness of current density area, enhance the walking force, leveling ability, tolerance of impurities |
Last Update：2024-04-10 22:29:15
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