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Sodium p-styrenesulfonate

Sodium p-styrenesulfonate structure

CAS No:
2695-37-6
Formula:
C8H7NaO3S
Chemical Name:
Sodium p-styrenesulfonate
Synonyms:
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)
Categories:
Water Treatment Chemical > Flocculant

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Description

white to light beige powder

DryPowder

Sodium p-styrenesulfonate Basic Attributes

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

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

Safety Information

Transport codes：

UN 1987 3/PG 3

wgk germany：

hazard class code：

Xn,Xi

safety instructions：

26-36/37-36-36/37/39-39

Marks：

Xn,Xi

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P261-P280-P305 + P351 + P338

Hazard Statements：

22-36/37/38-41-37/38-37-20/22-10

GHS Classification：

Not Classified| |Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, and P362|Aggregated GHS information provided by 489 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 38 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Sodium p-styrenesulfonate Use and Manufacturing

Uses

The third monomer mainly used in the dry production of acrylic fiber

Ion exchange agents

Water treatment products

Styrene-4-sulfonic acid sodium salt is grafted on poly(ethersulfone) membrane to determine the fractionation of proteins with similar molecular weights. It is used as sodium based ion exchange membranes for membrane capacitive deionization (MCDI) for synthesis. It is used in the study of copolymerization characteristics of sodium styrenesulfonate.

Manufacturing Info：

All other basic inorganic chemical manufacturing|Benzenesulfonic acid, 4-ethenyl-, sodium salt (1:1): ACTIVE

Computed Properties

Molecular Weight:206.20
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:2
Exact Mass:206.00135954
Monoisotopic Mass:206.00135954
Topological Polar Surface Area:65.6
Heavy Atom Count:13
Complexity:247
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes

Material

Ethanol

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Guide of Sodium p-styrenesulfonate

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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Sodium p-styrenesulfonate

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