SBS Sodium Benzenesulfinate

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1000

类别

同义词：

Benzenesulfinic acid sodium salt;SBS

CAS 编号：

873-55-2

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关键词：

描述

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化学名称	Sodium benzenesulfinate
同义词	Benzenesulfinic acid sodium salt;SBS
CAS 编号	873-55-2
EINECS 编号	212-842-8
分子式	C₆H₅NaO₂S
分子量	164.15
分子结构
细节	外观：白色晶体 Assay (HPLC): 99% min. Iron content: 0.01% max. Loss on drying: 19% max. PH (1% aqueous solution): 6.5—8.5 Chloride: 0.5% max. Sulfate: 0.5% max. Sulfite test: pass Turbidity (NTU): 4.0% max. Heavy metal: 0.01% max. Packing: 25kg/fibre drum
主要应用	Used in photographing, pharmaceutical, electroplating industry.

Sodium benzenesulfinate (C₆H₅SO₂Na) is a white to off-white crystalline powder widely used as a versatile intermediate in organic synthesis. It is known for its strong nucleophilic sulfinyl group, making it highly valuable in the pharmaceutical, polymer, dyestuff, and photographic industries.

One of the key applications of sodium benzenesulfinate is in the production of sulfone compounds, which are essential building blocks in various APIs (Active Pharmaceutical Ingredients) and specialty chemicals. Its reactivity and stability make it ideal for radical sulfonylation and reductive transformations in complex organic reactions.

In the polymer industry, sodium benzenesulfinate is used as a thermal initiator or chain transfer agent in the production of specialty polymers and resins. It also plays a role in photoinitiator systems for UV-curable coatings and inks, where it contributes to efficient curing and film formation.

Additionally, sodium benzenesulfinate is utilized as a stabilizer and additive in electroplating baths, improving deposition quality and surface properties in metal finishing processes.