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Ethylphosphonodithioic acid S-(4-chloro-3-methylphenyl)O-ethyl ester, also known as EPN or O-ethyl S-(4-chloro-3-methylphenyl) ethylphosphonodithioate, is an organophosphorus compound with the chemical formula C11H14ClO2PS2. It is a colorless to pale yellow liquid with a pungent odor. EPN is primarily used as an insecticide and acaricide, targeting a wide range of pests such as aphids, mites, and beetles. It works by inhibiting the activity of acetylcholinesterase, an enzyme essential for the proper functioning of the nervous system in insects. Due to its high toxicity and potential environmental and health risks, EPN has been banned or restricted in many countries. It is important to handle this chemical with extreme caution and follow proper safety measures to minimize exposure and contamination.

1942-78-5

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1942-78-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1942-78-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,4 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1942-78:
(6*1)+(5*9)+(4*4)+(3*2)+(2*7)+(1*8)=95
95 % 10 = 5
So 1942-78-5 is a valid CAS Registry Number.
InChI:InChI=1/C11H16ClOPS2/c1-4-13-14(15,5-2)16-10-6-7-11(12)9(3)8-10/h6-8H,4-5H2,1-3H3

1942-78-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name S-(4-chloro-3-methylphenyl) O-ethyl ethylphosphonodithioate

1.2 Other means of identification

Product number -
Other names -

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:1942-78-5 SDS

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