Sodium p-styrenesulfonate (high qualified)
5 Inquiries
2695-37-6
Shanghai port or any other port in China
Commercial package or according to customer's requirement
Yes
2035-12-31
Fine chemicals,Pharmaceutical Intermediates
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial Referencewhite to light beige powder
DryPowderBasic Info-
Product Name:
Sodium p-styrenesulfonate
Other Name:Styrene-4-sulfonic acid sodiuM salt hydrate, tech. 90%;SodiuM p-styrenesulf;SodiuM 4-vinylbenzenesulfonate hydrate;SodiuM 4-vinylbenzenesulfon;p-Sodium styrenesulfonate;Sodium p-styrenesulfonate ,95%;p-Vinylbenzenesulphonic acid sodium salt hydrate, tech. 90%;Benzenesulfonic acid, 4-ethenyl-, sodiuM salt (1:1)
CAS No.:2695-37-6
Molecular Formula:C8H7NaO3S
InChIKeys:XFTALRAZSCGSKN-UHFFFAOYSA-M
Molecular Weight:207.2
Exact Mass:206.001358
BRN:3575931
EC Number:220-266-3
UNII:0KP0V3OG5G
TSCA:TSCA listed
DSSTox ID:DTXSID7044635
Color/Form:White
HScode:29049090
Categories:
Characteristics-
PSA:
65.6
Chemical Properties:Sodium p-styrenesulfonate (NaSS) is a functional monomer having a radical polymerizable vinyl group, a hydrophobic benzene ring having π electrons, and a sulfonic acid (salt) group that is a strong electrolyte and has been valued in various industrial fields.With the inductive effect of sulfo radical on the para position against vinyl group, sodium p-styrenesulfonate (NaSS) possesses the highest reactivity (polymerization activity) among all sulfonated vinyl monomers. It performs radical polymerization in such polar solvents as DMF, DMSO and water using common or redox polymerization initiators. For example, it has been used as a reactive emulsifier in order to improve stability of an emulsion and water resistance or cationic dye dyeability of a (emulsion) polymer.
XLogP3:2.31450
Appearance:White Powder
Density:1.043 g/mL at 25 °C
Melting Point:151-154 °C
Boiling Point:111-112 °C
Flash Point:78 °F
Refractive Index:n20/D1.387
Water Solubility:Soluble in water.
Vapor Pressure:0Pa at 25℃
Flammability characteristics:Non flammable
Critical Temperature & Pressure:Keep in dark place,Sealed in dry,Room Temperature
Hazard IdentificationClassification of the substance or mixture
Skin irritation, Category 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H315 Causes skin irritation
H319 Causes serious eye irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P302+P352 IF ON SKIN: Wash with plenty of water/...
P321 Specific treatment (see ... on this label).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
Fine chemicals,Pharmaceutical Intermediates
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Location:
Hangzhou National Hi-Tech Industrial Development Zone, Binjiang district, Hangzhou, Zhejiang Province, China.
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Payment Terms:
TT against copy of documents,D/P,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
5 days
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2017
Company Certificates-
ISO 9001
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Inquiry History5 Inquiries
Country Product Purchase Quantity Date Posted 
Spain
Nass Sodium P-Styrenesulfonate
18 MT Nov 7, 2025 
France
Sodium p-Styrenesulfonate
1 MT May 6, 2026
Spain
Sodium p-Styrenesulfonate
6000 KG Dec 2, 2025 
South Africa
Sodium p-styrenesulfonate
12 MT Sep 30, 2026
Spain
NaSS Sodium p-styrenesulfonate
18 MT Nov 7, 2025 Post an enquiry for this product
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