Silver Nitrate → Silver Hexadecylsulfinate

HRID 371072Notes

Reaction equation

HRID 371072 reaction equation
[CH2:1]([S:17]([O-:19])=[O:18])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH3:16].[Na+].[Ag:21].[Ag]=S.[Ag]Cl.[N+]([O-])(O)=O.O.[N+]([O-])([O-])=O.[Ag+]>O>[CH2:1]([S:17]([O-:19])=[O:18])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH3:16].[Ag+:21]

Participants

7

Reactant 5

HCID 24470Silver NitrateHCID 24561Silver ChlorideHCID 22472390Nitric acid monohydrateHCID 22981889Silver sulfide (Ag2S)HCID 23682398Sodium hexadecylsulfinate

Product 1

HCID 13725603Silver Hexadecylsulfinate

Reagents, catalysts & solvents 1

HCID 962WaterSolvent2×

Procedure

Taking material from Example 1, eight grams of sodium hexadecylsulfinate (0.026 moles) was dissolved in 300 ml deionized water at 45° to 50° C. When measured at 45° C. the pH was 9.0 and the millivolt reading, using a silver/silver sulfide electrode and a silver chloride/4M KCl reference electrode, was -24. The pH was adjusted to 6.9 with 1:20 HNO3 /H2O. A solution of 7 ml 3N AgNO3 and 200 ml H2O was added with stirring to this mixture in four portions of 50 ml each, stirring 2 minutes after each addition, and stirring 10 minutes after the final addition. Temperature was maintained at 40° to 45° C. The final mixture has a pH of 3.6 and a millivolt reading of +206° at 40° C. This corresponds to a pAg of 6.4.

Workup

  1. dissolutionwas dissolved in 300 ml
  2. customat 45° to 50° C
  3. custommeasured at 45° C.
  4. stirringstirring 2 minutes
  5. additionafter each addition
  6. stirringstirring 10 minutes after the final
  7. additionaddition
  8. temperatureTemperature was maintained at 40° to 45° C
  9. customa pH of 3.6 and a millivolt reading of +206°
  10. customat 40° C

Sources & evidence

ORD record
ord-b966658493e047ac8314101332b53013
Source dataset
uspto-grants-1985_07
Patent number
US04529689

Reaction notes

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