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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 436722Generated: October 28, 2026

Hydrogen Bromide → HCID 21431090, compound

https://huagongshe.com/reaction/436722

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantMelamineHCID 7955—
ProductHCID 21431090HCID 2143109099.6%

Reaction Steps

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%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04028333
Source datasetuspto-grants-1977_06
ORD IDord-8f7907168aa94568b7364f610c27b06a
Source noteuspto-grants-1977_06