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Sodium 2-phenylethenesulfonate

Also known as: Sodium β-styrenesulfonate, Sodium (E)-2-phenylethenesulfonate, β-Styrenesulfonic Acid Sodium Salt, 2-Phenylethenesulfonic acid sodium salt, Sodium 2-phenylethene-1-sulfonate, Styrenesulfonic acid sodium salt, Sodium beta-styrenesulfonate, SS-styrenesulfonic acid sodium salt, Ethenesulfonic acid, 2-phenyl-, sodium salt (1:1)

Sodium 2-phenylethenesulfonate (CAS 2039-44-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8NaO3S and a molecular weight of 206.19400 g/mol. Key property: a density of 1.39g/cm3. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
2039-44-3
Jingsj CID
J-16799-7
Molecular Formula
C8H8NaO3S
Molecular Weight
206.19400 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Density1.39g/cm3
Exact Mass206.00100
PSA65.58000
LogP2.28330

Customs & Trade Information

HS Code2904100000
Summary2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Sodium 2-phenylethenesulfonate?

The CAS number of Sodium 2-phenylethenesulfonate is 2039-44-3.

What are the molecular formula and molecular weight of Sodium 2-phenylethenesulfonate?

Sodium 2-phenylethenesulfonate has molecular formula C8H8NaO3S and molecular weight 206.19400 g/mol.

What are the upstream and downstream products of Sodium 2-phenylethenesulfonate?

For Sodium 2-phenylethenesulfonate, Upstream Products: (E)-2-phenylethenesulfonyl chloride, Iodobenzene, 2-Chloroethanesulfonyl chloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Sodium 2-phenylethenesulfonate (CAS 2039-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16799-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.