Diamines and Chemicals Ltd is a leading producer of Ethyleneamines in India. The company is engaged in the manufacture and sale of Ethyleneamines. They operate in two strategic verticals, namely speciality chemicals and power generation. They are having their manufacturing facilities located at PCC Area, Vadodara. Their products find application in import industry segment like Pharmaceuticals, agro-chemicals, dyes & pigments etc.

The company's product range includes Piperazine Anhydrous, Piperazine 68% (PIP-68), ethylene Diamine (EDA), Diethylene Triamine (DETA), Amino Ethyl Piperazine (AEP), Polyamines Mix (PA-MIX), Mono Ethanolamine, Triethylene Diamine (100%), Triethylene Diamine (33% in DPG), Triethylene Diamine (33% in PG), Triethylene Diamine (33% in MEG), Triethylene Tetramine (TETA), Tetraethylene Pentamine (TEPA).

Diamines and Chemicals Ltd was formally created and deployed as a legal entity in the year 1976. The company commenced their production in the year 1982. They setup the plant with total indigenous R&D and expertise and are placed among the select band of 6 to 8 companies who have proprietary technology for the manufacture of Ethylene amines.

During the year 1999-2000, the company added new facilities. Also they added two more products to their earlier product range, namely Piperazine Anhydrous and Piperazine 68% and became only domestic supplier of Piperazine to pharmaceutical and other industries. During the year 2001-02, Alkyl Finance & Trading Ltd amalgamated with the company pursuant to the scheme of amalgamation dated September 1, 2001.

During the year 2004-05, the company created and deployed a Windmill at Surajbari, Gandhidham for captive consumption. During the year 2005-06, the company created and deployed another wind mill having capacity of 1.25 MW situated at Dhule, Maharashtra, which will help the company to generate funds out of their power supply to the Maharashtra State Electricity Board.