Benzidine (trivial name), also called 1,1'- biphenyl -4,4'-diamine (systematic name), is an organic compound with the formula (C 6 H 4 NH 2) 2. It is an aromatic amine.

What is benzidine? Benzidine is a manufactured chemical that does not occur naturally. It is a crystalline (sandy or sugar-like) solid that may be grayish-yellow, white, or reddish-gray. It will …

Benzidine is considered to be very acutely toxic to humans by ingestion. Symptoms of acute ingestion exposure include cyanosis, headache, mental confusion, nausea, and vertigo.

Jan 31, 2019 · Learn about benzidine, exposure to which raises your risk of bladder cancer. Benzidine is a manufactured chemical. In the past, benzidine was used to produce dyes or …

Data from various benzidine derivatives (including benzidine-based dyes) are occasionally mentioned for comparative purposes, or because such chemicals may serve as potential …

Benzidine, a colourless, crystalline solid, practically insoluble in water, is toxic, causing dermatitis and bladder tumours. It is used in forensics for the identification of bloodstains.

Benzidine is used as an intermediate in the production of azo dyes, sulfur dyes, fast color salts, naphthol, and other dye compounds. However, it has not been marketed or sold in the United …

Benzidine used to be used to make dyes for cloth, leather, and paper. Today, in the United States and many places around the world, benzidine is no longer manufactured or used.

Apr 14, 2025 · Benzidine and its related chemical substances are used to manufacture dyes. Benzidine-based dyes are used in the production of textiles, paints, printing inks, paper, and …

This fact sheet answers the most frequently asked health questions about benzidine. For more information, you may call the ATSDR Information Center at 1-888-422-8737.