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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1005431Generated: October 26, 2026

Hydrochloric Acid → Melamine

https://huagongshe.com/reaction/1005431

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthanolHCID 702—
ReactantMelamineHCID 7955—
ReactantChlorineHCID 24526—
ReactantDimethyl ester phosphorous acidHCID 94853—
ProductMelamineHCID 7955—
ProductDimethyl phosphite diethyl phosphateHCID 131721781—

Reaction Steps

100 gms of dimethyl hydrogen phosphite and 25 gms of phosphorus oxytrihalide are mixed and reacted then 15 gms of ethyl alcohol are added and reacted. Cl2 and HCl evolves from the mixture. 50 gms of melamine are added then heated to 150°-200° C. while agitating for about 30 minutes, thereby producing a melamine salt of dimethyl phosphite-diethyl phosphate. The mixture is then cooled and the solid is pulverized into a powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06054515
Source datasetuspto-grants-2000_04
ORD IDord-e961fd3f346949ecb1dd0a5b700f1036
Source noteuspto-grants-2000_04