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BENZENESULFINIC ACID SODIUM SALT

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BENZENESULFINIC ACID SODIUM SALT Basic information

Product Name:
BENZENESULFINIC ACID SODIUM SALT
Synonyms:
  • 4-CHLOROBENZENESULPHINIC ACID SODIUM SALT
  • 4-CHLOROBENZENESULFINIC ACID SODIUM SALT HYDRATE
  • SODIUM 4-CHLOROBENZENE SULFINIC ACID
  • P-CHLOROBENZENESULFINIC ACID SODIUM SALT
  • Sodium benzene sulfonate,Sodium benzosulfonate
  • BENZENESULFINIC ACID NA SALT
  • Natriumbenzolsulfinat
  • Benzenesulfinic acid sodium salt
CAS:
873-55-2
MF:
C6H5NaO2S
MW:
164.16
EINECS:
212-842-8
Product Categories:
  • Pharmaceutical Intermediates
  • Industrial/Fine Chemicals
Mol File:
873-55-2.mol
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BENZENESULFINIC ACID SODIUM SALT Chemical Properties

Melting point:
>300 °C(lit.)
Boiling point:
83-84 °C
storage temp. 
Store below +30°C.
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)
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Safety Information

Hazard Codes 
Xi,Xn
Risk Statements 
36/37/38-20/21/22
Safety Statements 
26-37/39-36-24/25
WGK Germany 
1
RTECS 
DA9135000
TSCA 
T
HS Code 
29309090

MSDS

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BENZENESULFINIC ACID SODIUM SALT Usage And Synthesis

Chemical Properties

white crystalline powder or crystals

Uses

Benzenesulfinic Acid Sodium Salt is used reduce the adverse chemical interaction involved in the coupling of self/dual-cured composites to hydrated dentin.

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.]

BENZENESULFINIC ACID SODIUM SALTSupplier

GuangTuo Chemical (Shanghai) Co., Ltd. Gold
Tel
021-60899189-8001 18918189673
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gtchem@126.com
Tangshan Moneide Trading Co., Ltd. Gold
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0315-8309571
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sales@moneidechem.com
Shouguang Nuomeng Chemical Co Ltd. Gold
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536-5399456-
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sales@nuomengchem.com
Shanghai Kangtuo Chemical Co., Ltd. Gold
Tel
021-69185553;021-69185552
Email
kangtuochem@163.com;kangtuochem@163.com
J & K SCIENTIFIC LTD.
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010-82848833- ;010-82848833-
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