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CAS No.: | 873-55-2 |
---|---|
Name: | Sodium benzenesulfinate |
Article Data: | 69 |
Molecular Structure: | |
Formula: | C6H5NaO2S |
Molecular Weight: | 164.16 |
Synonyms: | Benzenesulfinicacid, sodium salt (8CI,9CI);Sodium phenylsulfinate; |
EINECS: | 212-842-8 |
Density: | 0.8 g/cm3 (20oC) |
Melting Point: | >300 °C(lit.) |
Boiling Point: | 339.4 °C at 760 mmHg |
Flash Point: | 159.1 °C |
Solubility: | Soluble in water. |
Appearance: | white crystalline powder or crystals |
Hazard Symbols: | Xn, Xi |
Risk Codes: | 36/37/38-20/21/22 |
Safety: | 26-37/39-36 |
PSA: | 56.51000 |
LogP: | 2.13290 |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water; toluene | A 96.7% B 97.1% |
Conditions | Yield |
---|---|
With hydrazine hydrate; sodium carbonate In water at 60℃; for 2h; Reagent/catalyst; | 96.5% |
With sodium hydrogencarbonate; sodium sulfite In water at 70 - 80℃; for 2h; | 88% |
With sodium iodide In acetone for 3h; Ambient temperature; Yield given; |
sodium benzenesulfonate
Conditions | Yield |
---|---|
With iron(III) chloride; rongalite In N,N-dimethyl-formamide; acetonitrile at 20℃; for 0.333333h; Solvent; Reagent/catalyst; | 96% |
Conditions | Yield |
---|---|
In methanol; water; toluene | A n/a B 95.8% |
2,4-dinitrophenyl benzenethiosulfonate
sodium ethanolate
A
2,4-dinitro-benzenesulfenic acid ethyl ester
B
sodium benzenesulfonate
Conditions | Yield |
---|---|
In ethanol at -2℃; for 4h; | A 92.2% B 76% |
2,4-dinitrophenyl benzenethiosulfonate
A
2,4-dinitro-benzenesulfenic acid ethyl ester
B
sodium benzenesulfonate
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol at -2℃; for 4h; | A 92.2% B 76% |
2-(phenylsulfonyl)pyridine
sodium ethanolate
A
2-ethoxypyridine
B
sodium benzenesulfonate
Conditions | Yield |
---|---|
In ethanol for 19h; Heating; | A n/a B 92% |
In ethanol for 0.2h; Heating; | A 87 % Spectr. B 63 % Spectr. |
ethanol
2,4-dinitrophenyl benzenethiosulfonate
A
2,4-dinitro-benzenesulfenic acid ethyl ester
B
sodium benzenesulfonate
Conditions | Yield |
---|---|
With sodium for 4h; | A 92% B 76% |
2,4-dinitrophenyl benzenethiosulfonate
acetylacetone
A
3-<2,4-Dinitro-phenylmercapto>-pentandion-(2,4)
B
sodium benzenesulfonate
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol at 50℃; for 2h; | A 91.2% B 89.7% |
C21H21N3O2S
A
3-methyl-4,5-diphenyl-4H-1,2,4-triazole
B
sodium benzenesulfonate
Conditions | Yield |
---|---|
With sodium hydride In 1,4-dioxane for 20h; Heating; under nitrogen; Yields of byproduct given; | A 90% B n/a |
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Molecular Structure of Sodium benzenesulfinate (CAS NO.873-55-2):
IUPAC Name: benzenesulfinic acid; sodium
CAS NO:873-55-2
Molecular Formula:C6H5NaO2S
Molecular Weight :164.16
H bond acceptors: 2
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 56.51Å2
EINECS : 212-842-8
Flash Point: 159.1 °C
Enthalpy of Vaporization: 61.52 kJ/mol
Boiling Point: 339.4 °C at 760 mmHg
Vapour Pressure: 3.58E-05 mmHg at 25°C
Melting point: >300 °C(lit.)
Sensitive: Hygroscopic
Appearance: white crystalline powder or crystals
Water solubility: Soluble in water
Product Categories: Industrial/Fine Chemicals
InChI
InChI=1/C6H6O2S.Na/c7-9(8)6-4-2-1-3-5-6;/h1-5H,(H,7,8);/q;+1/p-1
Smiles
c1(ccccc1)S(=O)[O-].[Na+]
Equimolar of Benzenesulfinate and NaOH (dubbed in 40% of the sodium hydroxide solution), stirring 2 h at 30 ~ 40°C , concentration, cooling crystallization, filtration, vacuum drying,then Sodium benzenesulfinate (CAS NO.873-55-2) is derived.
Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-20/21/22
R36/37/38:Irritating to eyes, respiratory system and skin.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-37/39/36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 1
RTECS: DA9135000
TSCA: T
Sodium benzenesulfinate , with CAS number of 873-55-2, can be called Benzenesulfinic acid, sodium salt (1:1) ; Sodium benzenesulfinate ; Benzenesulfinic acid sodium salt . It is a white crystalline powder or crystal. Sodium Benzenesulfinate is intermediates in the Martel Preparation of Cichoric acid. This product is primary brightener for bright nickel plated and analytically reagent. Sodium benzenesulfinate (CAS NO.873-55-2) is used as a polymer adhesive enhancers, plasticizers, for plasticized and modified of polyamide, epoxy resin, phenolic resin. It is designed for manufacturing of photography, pharmaceutical, electroplating industry. can be used as photo-reducing agent.