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Sodium benzenesulfinate

Also known as: Benzenesulfinic acid, sodium salt (1:1), Benzenesulfinic acid sodium salt, Benzenesulfinic acid, sodium salt, Natriumbenzolsulfinat, Sodium benzenesulphinate, Benzenesulfinic acid Na salt

Sodium benzenesulfinate (CAS 873-55-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6NaO2S and a molecular weight of 164.158 g/mol. Key properties include a melting point of 300ºC, a boiling point of 339.4ºC at 760 mmHg, a density of 0.8 g/cm3 (20ºC) and a flash point of 159.1ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
873-55-2
Jingsj CID
J-1500560-4
Molecular Formula
C6H6NaO2S
Molecular Weight
164.158 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Melting Point300ºC
Boiling Point339.4ºC at 760 mmHg
Density0.8 g/cm3 (20ºC)
Flash Point159.1ºC
Exact Mass163.990799
PSA56.51000
LogP2.13290

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Sodium benzenesulfinate?

The CAS number of Sodium benzenesulfinate is 873-55-2.

What are the molecular formula and molecular weight of Sodium benzenesulfinate?

Sodium benzenesulfinate has molecular formula C6H6NaO2S and molecular weight 164.158 g/mol.

What are the upstream and downstream products of Sodium benzenesulfinate?

For Sodium benzenesulfinate, Upstream Products: Benzenesulfonyl chloride, Ethyl cyanoacetate, 2,4-Pentanedione; Downstream Products: (Phenylsulfonyl)acetamide, Sodium benzenesulfonate, Benzenesulfonyl 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 benzenesulfinate (CAS 873-55-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500560-4 (accessed 2026-11-09).

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