Organophosphorus chemistry is the scientific study of the synthesis and properties of organophosphorus compounds, which are organic compounds containing phosphorus. [1] They are used primarily in pest control as an alternative to chlorinated hydrocarbons that persist in the environment. Some organophosphorus compounds are highly effective insecticides, although …

Organophosphates are a class of compounds encompassing a number of distinct but closely related function groups. These are primarily the esters of phosphoric acid and can be mono‑esters, di‑esters or tri‑esters depending on the number of attached organic groups (abbreviated as 'R' in the image below).

2023年11月12日 · Organophosphates are chemical compounds formed through the esterification process involving phosphoric acid and alcohol. These chemicals serve as primary components in herbicides, pesticides, and insecticides and have extensive …

Organophosphorus compounds are organic chemicals derived from phosphoric acids, commonly used as pesticides. They can also include nerve agents and have variable structures, with the substituents attached to the phosphorus influencing their toxicity.

Organophosphorus compounds (OPCs) are organic molecules that include at least one carbon-phosphorus link and are generated from phosphoric acids and their derivatives. You might find these chapters and articles relevant to this topic. Aeli C. Hartmann, ... Fred F. Farris, in Encyclopedia of Toxicology (Fourth Edition), 2024.

Organophosphorus compounds are derived from phosphoric acid and have a (P O) or (P S) bond. The C P bond is thermally inert, which results in resistance to chemical hydrolysis, photolysis, and degradation. The most used organophosphorus are methyl …

2021年10月12日 · Organophosphates (commonly known as OP or OPE) are a class of organophosphorus compounds with the general structure O=P (OR) 3, a central phosphate molecule with alkyl or aromatic substituents (Fritz, 1930). They can be esters of phosphoric acid or thiophosphoric acids.

Organophosphorus compounds are chemical compounds containing carbon - phosphorus bonds. Organophosphorus chemistry is the corresponding science exploring the properties and reactivity of organophosphorus compounds. Phosphorus shares group 15 in the periodic table with nitrogen and phosphorus compounds and nitrogen compounds have much in common.

Organophosphorus compounds are derivatives of phosphoric, phosphonic or phosphinic acids whose oxygen atoms bound directly to the phosphorus atom can be substituted by sulphur or nitrogen atoms. These compounds represent a large …

2013年12月20日 · The term organophosphorus (OP) compounds refers to any group of organic chemicals that contain phosphorus. The most predominant valances of phosphorus are 3 and 5. The majority of OP compounds (OPs) with environmental and industrial applications are of the pentavalent types.

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2023年11月12日 · Organophosphates encompass a diverse group of chemical compounds and are formed through esterification between phosphoric acid and alcohol. Currently, organophosphates have common applications in pesticides and herbicides, as well as nerve agents in chemical warfare.

Organophosphorus compounds (OPCs) are organic chemicals derived from phosphoric acids and its derivatives and contain at least one carbon-phosphorus bond. The pentavalent types of phosphorus-containing compounds are primarily used in …

2024年2月13日 · Organophosphate poisoning can cause serious breathing problems. Learn more about this condition, what causes it, symptoms, and your treatment options.

2024年7月18日 · Organophosphates harm your body. They damage nerves and affect how your organs function. Short or long-term overexposure leads to respiratory failure and life …

Organophosphorus poisoning is the leading cause of self-poisoning and suicide across the globe. Atropine is still the only effective treatment. The clinical efficacy of pralidoxime is a debatable issue; however, it is widely administered as a part of standard treatment.

2015年7月1日 · Surface-enhanced Raman scattering (SERS) has attracted great interest due to its remarkable enhancement, excellent sensitivity, and the “fingerprinting” ability to produce distinct spectra for...

5 天之前 · Halogenated and organophosphorous flame retardants in surface soils from an e-waste dismantling park and its surrounding area: Distributions, sources, and human health risks. Environment International, 139 (2020), 10.1016/j.envint.2020.105741. Google Scholar. 19.

2010年10月1日 · Organophosphorous pesticides (OPPs) are a group of pesticides which are extensively used to control or eliminate the pest from agricultural products in order to improve the quantity and quality...

Biochemical and ultra structure studies of the antioxidant effect of aqueous extract of Hibiscus sabdariffa on the Nephrotoxicity Induced by organophosphorous pesticide (Malathion) on the adult albino rats.

2014年12月15日 · Extracts showed antibacterial, anti-oxidant, nephro- and hepato-protective, renal/diuretic effect, effects on lipid metabolism (anti-cholesterol), anti-diabetic and anti-hypertensive effects among others.