What is the structure of HCH?
HCH is a white solid substance that may evaporate under suitable conditions. HCH has eight isomeric forms. The four common isomers are α-, β-, γ-, and δ-HCHs. The most common of these is γ-HCH (also known as lindane), which is usually the predominant isomer.
What is the structure of lindane?
C6H6Cl6Lindane / Formula
What is hexachlorocyclohexane used for?
Summary: Hexachlorocyclohexane (HCH) is a manufactured chemical that exists in eight chemical forms called isomers. One of these forms, gamma-HCH (or γ-HCH, commonly called lindane) is produced and used as an insecticide on fruit, vegetables, and forest crops.
What is the full form of BHC?
benzene hexachloride (BHC), any of several stereoisomers of 1,2,3,4,5,6-hexachlorocyclohexane formed by the light-induced addition of chlorine to benzene. One of these isomers is an insecticide called lindane, or Gammexane.
What is the name of HCH?
Hexachlorocyclohexane
Hexachlorocyclohexane (HCH), formally known as benzene hexachloride (BHC), is a synthetic chemical that exists in eight chemical forms called isomers. The different isomers are named according to the position of the hydrogen atoms in the structure of the chemical.
What is the structure of Gamaxine?
Introduction Gammexane (m.p. 112 C.), 7-C6H6C16, is monoclinic prismatic with a=8.52, b=10.27, c=13.94A., /?= 121016′ Cell volume 1042.6 A. 3.
What is full form of DDT?
Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. The United States banned the use of DDT in 1972.
Who discovered DDT?
DDT, prepared by the reaction of chloral with chlorobenzene in the presence of sulfuric acid, was first made in 1874. Its insecticidal properties were discovered in 1939 by a Swiss chemist, Paul Hermann Müller.
When was HCH banned?
Production of tech-HCH in the U.S. was banned in 1976, but the compound may still be used in other countries [1].
What is the difference between hexachlorobenzene and benzene hexachloride?
Answer: Hexachlorobenzene is a substituted compound obtained by replacing all the hydrogen atoms in benzene with chlorineatoms. On the other hand, benzene hexachloride is an addition compound formed when three moles of chlorine add on one mole of benzene under reaction conditions.
What is HCH blood test?
Highlights. Exposure to hexachlorocyclohexane (HCH) happens mostly from eating contaminated food or by breathing contaminated air in the workplace. Exposure to high levels of HCH can cause blood disorders, dizziness, headaches, seizures, and changes in the levels of sex hormones. HCH has caused cancer in animals.
What are BHC and DDT?
BHC stands for benzene hexachloride. It is also called lindane, or gammaxane. Its structure consists of a benzene ring with chlorine atoms on all the 6 carbons. The structure is as follows: Hence, DDT stands for dichloro diphenyl trichloroethane, and BHC stands for benzene hexachloride.