Benzidine dihydrochloride → Benzidine

HRID 1726822Notes

Reaction equation

HRID 1726822 reaction equation
[CH:1]1[C:6]([C:7]2[CH:12]=[CH:11][C:10]([NH2:13])=[CH:9][CH:8]=2)=[CH:5][CH:4]=[C:3]([NH2:14])[CH:2]=1.Cl.Cl.N([O-])=O.[Na+]>Cl>[C:6]1([C:7]2[CH:12]=[CH:11][C:10]([NH2:13])=[CH:9][CH:8]=2)[CH:5]=[CH:4][C:3]([NH2:14])=[CH:2][CH:1]=1

Participants

4

Reactant 2

HCID 10754Benzidine dihydrochlorideHCID 23668193Sodium Nitrite

Product 1

HCID 7111Benzidine

Reagents, catalysts & solvents 1

HCID 313Hydrochloric AcidSolvent

Procedure

Benzidine.2HCl (26 mg) was dissolved in 4.5 ml 0.2N HCl, added with 18 mg NaNO2 dissolved in 0.5 ml distilled water. The reaction was carried out in an ice bath under stirring for 1 hr; an orange colour immediately developed.

Workup

  1. dissolutiondissolved in 0.5 ml
  2. distillationdistilled water
  3. customThe reaction was carried out in an ice bath

Sources & evidence

ORD record
ord-171732348a0047c8bf0b41029dd8dc87
Source dataset
uspto-grants-2009_02
Patent number
US07494589B2

Reaction notes

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