BENZENESULFINIC ACID SODIUM SALT
Synonym(s):Sodium benzenesulfinate
- CAS NO.:873-55-2
- Empirical Formula: C6H5NaO2S
- Molecular Weight: 164.16
- MDL number: MFCD00013135
- EINECS: 212-842-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-21 15:02:05
What is BENZENESULFINIC ACID SODIUM SALT?
Chemical properties
white crystalline powder or crystals
The Uses of BENZENESULFINIC ACID SODIUM SALT
Benzenesulfinic Acid Sodium Salt is used reduce the adverse chemical interaction involved in the coupling of self/dual-cured composites to hydrated dentin.
The Uses of BENZENESULFINIC ACID SODIUM SALT
Benzenesulfinic acid sodium salt has been used in synthesis of sulfones by reaction of organic halides and sodium benzenesulfinate using higher alcohols or diols as solvents.It was also used in the synthesis of aryl sulfones via copper-catalyzed cross-coupling with boronic acids and vinyl sulfones via reaction with vicinal dibromides.
General Description
Benzenesulfinic acid sodium salt when treated with alkynylselenonium salts yields (Z)-β-alkoxyvinylsulfones. It undergoes rhodium-catalyzed desulfinative coupling with aldehydes to yield ketones.
Purification Methods
Dissolve it in the minimum volume of O2 free H2O (prepared by bubbling N2 through for 2 hours) and adding O2 free EtOH (prepared as for H2O), set aside at 4o overnight under N2, filter, wash with EtOH, then Et2O and dry in vacuo. The Na salt is relatively stable to air oxidation, but is best kept under N2 in the dark. Also recrystallise it from EtOH and dry it at 120o for 4hours in a vacuum. [Kornblum & Wade J Org Chem 52 5301 1987, Beilstein 11 II 2, 11 IV 3.]
Properties of BENZENESULFINIC ACID SODIUM SALT
Melting point: | >300 °C(lit.) |
Boiling point: | 83-84 °C |
Density | 1.45[at 20℃] |
storage temp. | Inert atmosphere,Room Temperature |
solubility | Water |
form | Crystals or Crystalline Powder |
color | White |
Water Solubility | Soluble in water. |
Sensitive | Hygroscopic |
BRN | 3598405 |
CAS DataBase Reference | 873-55-2(CAS DataBase Reference) |
EPA Substance Registry System | Benzenesulfinic acid, sodium salt (873-55-2) |
Safety information for BENZENESULFINIC ACID SODIUM SALT
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for BENZENESULFINIC ACID SODIUM SALT
Abamectin manufacturer
JSK Chemicals
Alcatraz Chemicals
Aarti Drugs Ltd (part of Aarti Group of Industries)
Anand Agencies
ASM Organics
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