CAS:2695-37-6
Molecular Formula:C8H7NaO3S
Molecular Weight:206.19
Appearance:White Powder
EINECS:220-266-3
Synonyms: Styrene-4-sulfonicacid sodium salthydrate; Sodium p-styrenesulf; Sodium 4-vinylbenzene sulfonatehydrate; p-Sodium styrenesulfonate; Sodium p-styrenesulfonate
Sodium p-styrenesulfonate CAS 2695-37-6
Sodium p-styrenesulfonate (CAS 2695-37-6), also known as Sodium 4-vinylbenzenesulfonate, is a high-purity monomer widely used in the textile, electronics, and resin industries. It serves as a key building block in polymers and functional materials, providing excellent performance and stability for industrial applications.
Appearance: White to pale yellowish-white powder / flaky crystals
Solubility: Easily soluble in water; slightly soluble in alcohols; insoluble in hydrocarbons
Melting point: > 300 °C (decomposes)
Properties: Contains vinyl double bond, capable of undergoing polymerization reaction, belongs to anionic polymerization monomer; easily absorbs moisture.
Specification
| Vinyl Activity(as SSS,),% | 89-100 | 92.7 |
| Water,% | 8-12 | 11.1 |
| Color,(1% APHA)(HaZen) | ≦50 | 19 |
| PH(10% aqueous solution) | 7.5-11 | 10.3 |
| Filterable Matter,% | ≦0.06 | 0.01 |
| Sodium Sulfate,% | ≦0.8 | 0.27 |
| Halides,% | ≦6 | 2.1 |
| Light Absorbance/cm at 600nm | ≦0.035 | 0.014 |
| Iron,ppm | ≦15 | 1 |
| Appearance | Free flowing granules or powder without visible contamination | Conform |
Application
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Textile Industry: Used in polymer coatings, dyeing auxiliaries, and functional finishes to improve performance and durability.
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Electronics: Applied in conductive polymers and specialty resins for electronic components.
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Resins & Polymers: Functions as a key monomer in water-soluble polymers, ion-exchange resins, and copolymers for industrial applications.
Key Features
1. Excellent water solubility, can be quickly dissolved in water, suitable for the production needs of a variety of water-based systems;
2. Strong polymerization activity, easy polymerization reaction with other monomers, help synthesis of high-performance polymer materials;
3. Good functional stability, can maintain good performance under different temperature and pH conditions, and improve the reliability of product use.
Package
25kg bag or requirement of clients. Keep it away from light at a temperature below 25℃.
FAQ
Q: Minimum Order Quantity (MOQ)?
A: Trial order: 1KG; Regular bulk order: 25KG per barrel; 20-foot full container: 20-22 tons.
Q: How long is the delivery time?
A: Immediate delivery: 1-3 working days after receiving payment; Scheduled production order: 7-15 working days; Shipping schedule is calculated separately.
Q: What kind of packaging is there?
A: Sample: Aluminum foil bag; Bulk order: 25KG cardboard barrel, lined with PE bag; Neutral packaging, custom shipping labels are available; Custom IBC ton barrel is also available; The product is highly prone to moisture absorption, so the packaging must be sealed.
Q: What is the validity period of the quotation?
A: 15 days. Reconfirm inventory and price before placing the order.
Q: What documents are provided?
A: Each batch’s COA (Quality Inspection Report), SDS/MSDS, packing list, commercial invoice; Originality certificate can also be provided.
Q: What payment methods are supported?
A: T/T, LC, ALIpay.
