Nsc 8957
Vinyl sulfonate, Sodium salt
CAS: 3039-83-6
Molecular Formula: C2H3O3S.Na
Nsc 8957 - Names and Identifiers
Nsc 8957 - Physico-chemical Properties
| Molecular Formula | C2H3O3S.Na |
| Molar Mass | 130.1 |
| Density | 1.176g/mLat 25°C |
| Melting Point | -20 °C |
| Boling Point | 100℃[at 101 325 Pa] |
| Water Solubility | Soluble in water. |
| Solubility | Methnaol (Slightly), Water (Soluble) |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Colourless Solution |
| Color | Colorless to Light yellow to Light orange |
| BRN | 3711195 |
| pKa | -2.71[at 20 ℃] |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Sensitive | Light Sensitive |
| Refractive Index | n20/D 1.376 |
| Physical and Chemical Properties | Conversion monomers and copolymerization-type emulsifiers for various polymers, in the sulfoethyl and other classes (e. G., styrene, butadiene, Acrylate, etc.) emulsion polymerization with good mechanical stability and stability of the metal salt emulsion additives, the environment has a good adaptability to PH changes, and the dosage of all kinds of emulsifier is more economical. |
Nsc 8957 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R42/43 - May cause sensitization by inhalation and skin contact. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | - |
| TSCA | Yes |
Nsc 8957 - Reference Information
| LogP | -1.01 at 20℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| action and mechanism | 1. in bright nickel plating, adding sodium vinylsulfonate (VS) can improve the deep plating ability of the plating solution, improve the ductility and brightness of the plating layer. 2. As an auxiliary brightener, it is usually used in conjunction with saccharin, SAS, PPS, etc. 3. This product is not dangerous and should be stored in a cool and dry place. |
| application | widely used in the synthesis of pure acrylic, styrene acrylic, acetate acrylic and other emulsions, with stability and resistance, reducing shrinkage cavity and other phenomena, and can be used in synthetic fibers, conversion monomers of various polymers, sulfoethylation additives, electroplating gloss agents, surfactants, pharmaceutical intermediates, etc. |
Last Update：2024-04-10 22:29:15
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