- Chemical Name:3,3'-Dimethylnaphthidine
- Chemical Family:Hydrocarbons, Aromatics
- CAS Number:13138-48-2
- Grade:Laboratory Grade
- Synonyms:3,3'-Dimethyl-(1,1'-binaphthalene)-4,4'-diamine
3, 3-Dimethylnaphthidine is a polycyclic aromatic hydrocarbon, being one kind of dimethylnaphthidine isomers. It is an effective indicator for metal titration (for example, the titration of aluminum using EDTA method, determination of vanadium). Also, it has been used for the photometric determination of small amount of oxygen as well as chlorine in water. Used in environmental test kits.