Hydrogen Bromide → HCID 21431090, compound

HRID 436722Notes

Reaction equation

HRID 436722 reaction equation
[BrH:1].[N:2]1[C:9]([NH2:10])=[N:8][C:6]([NH2:7])=[N:5][C:3]=1[NH2:4]>>[BrH:1].[BrH:1].[N:2]1[C:9]([NH2:10])=[N:8][C:6]([NH2:7])=[N:5][C:3]=1[NH2:4]

Participants

3

Reactant 2

HCID 260Hydrogen BromideHCID 7955Melamine

Product 1

HCID 21431090HCID 21431090, compoundYield 99.6%

Procedure

A charge of 1,700 grams of 48 percent hydrobromic acid solution was placed into a five-liter, three-neck flask fitted with a mechanical stirrer, a thermometer, and a reflux condenser. Into said flask was then added 252 grams of melamine and the reaction mixture was heated to reflux. The reflux condition was maintained for one hour. The reaction flask was then exposed to ambient temperatures for about 16 to 17 hours. The reaction product was filtered. Said filtered product was dried at 110° C. for 44 hours. Yield: 573 grams of melamine dihydrobromide (99.5 percent yield). Percent bromine calculated: 55.5%, percent bromine found: 55.8%.

Workup

  1. customfitted with a mechanical stirrer
  2. temperaturethe reaction mixture was heated to reflux
  3. temperatureThe reflux condition was maintained for one hour
  4. filtrationThe reaction product was filtered
  5. filtrationSaid filtered product
  6. customwas dried at 110° C. for 44 hours

Sources & evidence

ORD record
ord-8f7907168aa94568b7364f610c27b06a
Source dataset
uspto-grants-1977_06
Patent number
US04028333

Reaction notes

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