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O-methyl O-(2,4,5-trichlorophenyl) ethylphosphoramidothioate, also known as EPN, is an organophosphorus compound that was once widely used as an insecticide. It is characterized by its chemical structure, which includes a phosphorus atom bonded to a sulfur atom, an oxygen atom, and an ethyl group, with a 2,4,5-trichlorophenyl group attached to the oxygen. O-methyl O-(2,4,5-trichlorophenyl) ethylphosphoramidothioate was particularly effective against a variety of pests due to its ability to inhibit the enzyme acetylcholinesterase, leading to the accumulation of acetylcholine in the nervous system of insects, which results in paralysis and death. However, due to its high toxicity and potential environmental and health risks, including the persistence in the environment and its impact on non-target species, the use of EPN has been restricted or banned in many countries. It is important to note that organophosphorus compounds like EPN are dangerous to humans as well, posing risks of acute poisoning through exposure, and long-term exposure can lead to chronic health issues.

2591-74-4

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2591-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2591-74-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,9 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2591-74:
(6*2)+(5*5)+(4*9)+(3*1)+(2*7)+(1*4)=94
94 % 10 = 4
So 2591-74-4 is a valid CAS Registry Number.

2591-74-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name N-[methoxy-(2,4,5-trichlorophenoxy)phosphinothioyl]ethanamine

1.2 Other means of identification

Product number -
Other names Phosphoramidothioic acid,ethyl-,O-methyl O-(2,4,5-trichlorophenyl) ester

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:2591-74-4 SDS

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