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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1249603Generated: October 26, 2026

Hydrochloric Acid → Leucocrystal Violet

https://huagongshe.com/reaction/1249603

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN,N-DimethylanilineHCID 949—
Reactant4-(Dimethylamino)BenzaldehydeHCID 7479—
ProductLeucocrystal VioletHCID 69048189.9%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture consisting of 44.76 g (0.3 mole) of the 4-dimethylaminobenzaldehyde thus obtained, 76.3 g (0.63 mole) of dimethylaniline and 247 g of a 20% aqueous HCl solution was condensed by stirring it at 100° C. for 8 hours to obtain 106.4 g of tris(4-dimethylaminophenyl)methane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04632987
Source datasetuspto-grants-1986_12
ORD IDord-d9c1a2cec0f940ffb64e4be0c91b7a5c
Source noteuspto-grants-1986_12