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O,O′-Diethyl methylphosphonothioate

CAS 6996-81-2CH3P(S)(OC2H5)2Chemical Synthesis

O,O′-Diethyl methylphosphonothioate (CAS 6996-81-2) is an organophosphorus compound with the linear formula CH3P(S)(OC2H5)2 and a molecular weight of 168.19 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly for phosphorus-containing compounds. It is typically employed in research and development settings for the creation of novel molecules and materials.

Synonyms
O,O-Diethyl thiophosphoryl chlorideDiethyl thiophosphoryl chlorideCH3P(S)(OC2H5)2
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O,O′-Diethyl methylphosphonothioate (CH3P(S)(OC2H5)2) — chemical structure, CAS 6996-81-2; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksPhosphonates/PhosphinatesPhosphorus Compounds
01 /Applications

Organic Synthesis Intermediate

Utilised as a key intermediate in the synthesis of various organic molecules. Its structure allows for diverse chemical transformations in the development of new compounds.

Phosphorus Chemistry Research

A useful reagent for researchers exploring novel phosphorus-based compounds and their properties. It facilitates the introduction of phosphonothioate moieties into different molecular frameworks.

Material Science Applications

Investigated for potential applications in material science due to its unique chemical structure. Can be incorporated into polymers or other materials to impart specific characteristics.

02 /Properties
Molecular weight168.19
Linear formulaCH3P(S)(OC2H5)2
Assay97%
Boiling point76-79 °C/13 mmHg(lit.)
Density1.055 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.464(lit.)
03 /Safety & handling
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

Hazard statements

  • H302Harmful if swallowed
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point74 °C / 165.2 °F
Transport (UN / ADR)NA 1993 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)22

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
6996-81-2
MDL number
MFCD00015875
PubChem substance
24868060
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is O,O′-Diethyl methylphosphonothioate used for?

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O,O′-Diethyl methylphosphonothioate is primarily used as a building block in organic synthesis and for research in phosphorus chemistry.

What are the CAS number and formula for O,O′-Diethyl methylphosphonothioate?

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The CAS number is 6996-81-2 and the linear formula is CH3P(S)(OC2H5)2.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies O,O′-Diethyl methylphosphonothioate with an assay of 97%. This is a technical/research grade material and is not represented as USP, BP, EP, or other pharmacopoeia grades.

How should O,O′-Diethyl methylphosphonothioate be handled?

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Warning: Harmful if swallowed (H302). Handle with appropriate personal protective equipment, including eyeshields, face shield, gloves, and a suitable respirator. Ensure adequate ventilation.

Is O,O′-Diethyl methylphosphonothioate a controlled substance?

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The provided data does not indicate that O,O′-Diethyl methylphosphonothioate is a controlled substance.

How is O,O′-Diethyl methylphosphonothioate packed, shipped, and exported?

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O,O′-Diethyl methylphosphonothioate is shipped according to relevant regulations for hazardous materials (NA 1993 / PGIII). Tech Serve Solutions is an experienced global exporter.

How can I request a quote or sample of O,O′-Diethyl methylphosphonothioate?

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Please contact our sales department to request a quote or a sample of O,O′-Diethyl methylphosphonothioate.

Need O,O′-Diethyl methylphosphonothioate in a specific grade or volume?