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| CAS No.: | 618-41-7 |
|---|---|
| Name: | Benzenesulfinic acid |
| Molecular Structure: | |
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| Formula: | C6H6O2S |
| Molecular Weight: | 142.178 |
| Synonyms: | Benzenesulphenicacid;Benzenesulphinic acid;NSC 227915;Phenylsulfinic acid; |
| EINECS: | 210-548-4 |
| Density: | 1.45 g/cm3 |
| Melting Point: | 84°C |
| Boiling Point: | 339.4 °C at 760 mmHg |
| Flash Point: | 159.1 °C |
| PSA: | 56.51000 |
| LogP: | 2.13290 |

(2,4,6-trimethylphenyl) phenyl sulfone

A

Benzenesulfinic acid

B

1,3,5-trimethyl-benzene

| Conditions | Yield |
|---|---|
| With lithium amalgam In N,N-dimethyl-formamide for 2h; Ambient temperature; | A 99% B 100% |

| Conditions | Yield |
|---|---|
| With potassium tert-butylate; benzyl bromide In tetrahydrofuran at 23 - 40℃; for 1h; | 98% |
| With sodium amalgam; ethanol |

| Conditions | Yield |
|---|---|
| With lithium amalgam In 1,4-dioxane; isopropyl alcohol at 23℃; for 2h; | A 98% B 98% |

2,2-dimethyl-3-phenylsulphonyl-1-tosyloxypropane

A

((2,2-dimethylcyclopropyl)sulfonyl)benzene

B

Benzenesulfinic acid

| Conditions | Yield |
|---|---|
| With potassium tert-butylate In tert-butyl alcohol at 30℃; for 4h; | A 98% B 65% |

| Conditions | Yield |
|---|---|
| With hydrogenchloride; aluminium(III) triflate; sulfur dioxide; acetic acid at 20℃; under 760.051 Torr; for 35h; Pressure; Temperature; | 95% |
| With aluminium trichloride; sulfur dioxide Zersetzen des Reaktionsprodukts mit Eis und von Salzsaeure; | |
| With aluminium trichloride; sulfur dioxide Zersetzen des Reaktionsprodukts mit Eis und von Salzsaeure; Man bringt die Reaktion zweckmaessig durch Einleiten von etwas trocknem Chlorwasserstoff in Gang; |

C22H20O4S2

A

(((1E,3E)-4-phenylbuta-1,3-dien-1-yl)sulfonyl)benzene

B

Benzenesulfinic acid

| Conditions | Yield |
|---|---|
| With sodium ethanolate In ethanol at 20℃; for 16h; | A 94% B 83% |

C18H20O4S2

A

cyclohexa-1,4-diene

B

cyclohexa-1,3-diene

C

Benzenesulfinic acid

| Conditions | Yield |
|---|---|
| With sodium ethanolate In ethanol at 180℃; for 18h; var. time and temp.; Title compound not separated from byproducts; | A 20 % Spectr. B 60 % Spectr. C 91% |
| With sodium ethanolate In ethanol at 180℃; for 18h; Title compound not separated from byproducts; | A 20 % Spectr. B 60 % Spectr. C 91% |



2-(benzenesulfonyl)ethynylbenzene

A

benzylidenecyclopentane

B

Benzenesulfinic acid

| Conditions | Yield |
|---|---|
| With tris(2,2'-bipyridyl)ruthenium dichloride; diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; N-ethyl-N,N-diisopropylamine In dichloromethane at 0.25℃; for 4h; Catalytic behavior; Mechanism; Solvent; Reagent/catalyst; Time; Inert atmosphere; Schlenk technique; Sealed tube; Irradiation; | A 90% B n/a |


sodium ethanolate


1-Benzenesulfonylmethyl-4,8-dithia-spiro[2.5]octane 4,4,8,8-tetraoxide

A

2-(1,3-Diethoxy-propyl)-[1,3]dithiane 1,1,3,3-tetraoxide

B

Benzenesulfinic acid

| Conditions | Yield |
|---|---|
| In ethanol at 20℃; for 16h; | A 89% B 88% |


(cyclohex-2-enylsulfonyl)benzene

A

cyclohexa-1,4-diene

B

cyclohexa-1,3-diene

C

Benzenesulfinic acid

| Conditions | Yield |
|---|---|
| With sodium ethanolate In ethanol at 180℃; for 19h; var. temp.; Title compound not separated from byproducts; | A 21 % Spectr. B 66 % Spectr. C 89% |
| With sodium ethanolate In ethanol at 180℃; for 19h; var. temp.; Title compound not separated from byproducts; | A 21 % Spectr. B 18 % Spectr. C 89% |

IUPAC Name: Benzenesulfinic acid
Synonyms of Benzenesulfinic acid (CAS NO.618-41-7) : Benzenesulfinic-acid- ; Benzenesulphinic acid ; BNS ; Phenylsulfinic acid
CAS NO: 618-41-7
Molecular Formula: C6H6O2S
Molecular Weight:142.18
Molecular Structure :![]()
EINECS: 210-548-4
H bond acceptors: 2
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 45.51 Å2
Index of Refraction: 1.682
Molar Refractivity: 37.15 cm3
Surface Tension: 80.5 dyne/cm
Density: 1.45 g/cm3
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
SMILES: O=S(O)c1ccccc1
InChI: InChI=1/C6H6O2S/c7-9(8)6-4-2-1-3-5-6/h1-5H,(H,7,8)
InChIKey: JEHKKBHWRAXMCH-UHFFFAOYAY
Std. InChI: InChI=1S/C6H6O2S/c7-9(8)6-4-2-1-3-5-6/h1-5H,(H,7,8)
Std. InChIKey: JEHKKBHWRAXMCH-UHFFFAOYSA-N
Product Categories of of Benzenesulfinic acid (CAS NO.618-41-7): Industrial/Fine Chemicals
Benzenesulfinic acid (CAS NO.618-41-7) is used as intermediate in organic synthesis.