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. It is a component of a test for cyanide. Related derivatives are used in the production of dyes. Benzidine has been linked to bladder and pancreatic cancer. [2]

2024年4月29日 · benzidine - cas 92-87-5, synthesis, structure, density, melting point, boiling point

2019年1月31日 · 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 products used in clinical laboratories. However, benzidine has not been sold in the United States since the mid-1970s.

Benzidine is a manufactured chemical that does not occur naturally. It is a crystalline solid that may be grayish-yellow, white, or reddish-gray. In the environment, benzidine is found in either its "free" state (as an organic base), or as a salt. Benzidine was used to produce dyes for cloth, paper, and leather.

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 evaporate slowly from water and soil. Its flammability, smell, and taste have not been described.

The primary purpose of this chapter is to provide public health officials, physicians, toxicologists, and other interested individuals and groups with an overall perspective of the toxicology of benzidine.

Benzidine is a manufactured chemical that was used to produce dyes. Most people are not exposed to benzidine in the environment. Occupational exposure has been associated with increased risk of urinary bladder cancer.

Information on the toxicity of benzidine in humans is derived mainly from studies of individuals exposed in the workplace. Exposures in such settings have been assumed to have been mainly via inhalation and dermal contact. The toxicity of benzidine has been investigated in …

Benzidine has been used since the 1850s as the reagent base for the production of a large number of dyes, particularly azo dyes for wool, cotton, and leather . In the past, benzidine also has been used in clinical laboratories for detection of blood, as a rubber compounding agent, in the manufacture of plastic films, for detection of hydrogen ...

Chemical/Pharmaceutical/Other Class: Benzidine is a diamine, manufactured synthetic aromatic hydrocarbon with two benzene rings covalently bonded to one another (1,1), substituted by amino group at 4,4′. You might find these chapters and articles relevant to this topic.