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O,O-diethyl azidophosphate, also known as DEP or Diazinon, is an organophosphorus compound that serves as an insecticide. It is a colorless, oily liquid with the chemical formula C4H10N3O3P. DEP works by inhibiting the enzyme acetylcholinesterase, which is crucial for the proper functioning of the nervous system in insects. This inhibition leads to the accumulation of acetylcholine, causing overstimulation and ultimately the death of the insect. It is primarily used in agriculture to control a variety of pests, including aphids, mites, and flies. However, due to its potential toxicity to humans and the environment, its use has been restricted or banned in several countries. DEP is also known for its potential to cause secondary poisoning in non-target species and its persistence in the environment, which has led to concerns about its long-term ecological impact.

1516-68-3

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1516-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1516-68-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,1 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1516-68:
(6*1)+(5*5)+(4*1)+(3*6)+(2*6)+(1*8)=73
73 % 10 = 3
So 1516-68-3 is a valid CAS Registry Number.

1516-68-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name diethyl azido phosphorate

1.2 Other means of identification

Product number -
Other names diethyl phosphoroazidate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1516-68-3 SDS

1516-68-3Upstream product

1516-68-3Relevant academic research and scientific papers

A Simple Test for Diffusion-Limited Reactions. Near-Diffusion-Controlled Nitrene Insertion into C-H Bonds

Maslak, Przemyslaw

, p. 8201 - 8207 (1989)

A test for diffusion-controlled reactions is described.It is based on a simple experiment, wherein a reactive intermediate competes for two reagents containing a different number of reactive sites.This approach allows one to estimate rate constants of rapid reactions (i.e., kr ca. kd without absolute rate measurements.The test is applied to reaction of (diethoxyphosphoryl)nitrene with hydrocarbons in perfluorinated solvents.The photogenerated singlet nitrene undergoes efficient insertion into C-H bonds, and its reactivity is unaffected by the presence of oxygen.The insertion of the nitrene into a tertiary C-H bond is found to be near-diffusion-controlled with kobs ca. 0.3kdif = 3 * 1E9 M-1 s-1.Increased selectivity for insertion into tertiary versus primary C-H bonds is observed in perfluorohexane (9.7) as compared to a hydrocarbon solvent (5.7).This diminished reactivity of the nitrene is considered as evidence for complex formation between the singlet nitrene and a solvent molecule.The rate of the complexed-singlet to triplet intersystem crossing is estimated to be 8 * 1E8 s-1.The triplet nitrene reacts by hydrogen abstraction and is scavenged by oxygen.

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