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O,O,S-Trimethyl Dithiophosphate

Synonyms: O,O,S-Trimethyl phosphorodithioate · O,O,S-Trimethylphosphorodithioate · O,O,S-Trimethylphosphorodithionate · OOS-MeP(S)

CAS No.2953-29-9
FormulaC3H9O2PS2
Mol. weight172.20
Catalogue No.VQ-039244
PurityOn COA
HSN—

O,O,S-Trimethyl Dithiophosphate (CAS 2953-29-9) – organic building block. C3H9O2PS2, MW 172.2. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
100 mg
250 mg
1 g
5 g
Bulk / custom pack · kg to MT
Enquire
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About O,O,S-Trimethyl Dithiophosphate

O,O,S-Trimethyl Dithiophosphate (CAS 2953-29-9) is an organic building block offered by Vaqora Chemicals. Formula C3H9O2PS2, molecular weight 172.2 g/mol. Systematically, it is named dimethoxy-methylsulfanyl-sulfanylidene-lambda5-phosphane. Common synonyms include O,O,S-Trimethyl phosphorodithioate and O,O,S-Trimethylphosphorodithioate.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

  • Organic synthesis
  • API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product nameO,O,S-Trimethyl Dithiophosphate
Catalogue No.VQ-039244
CAS Number2953-29-9
IUPAC namedimethoxy-methylsulfanyl-sulfanylidene-lambda5-phosphane
Molecular formulaC3H9O2PS2
Molecular weight172.2 g/mol
Exact mass171.9782
InChIKeyILDHFYGNYDICFB-UHFFFAOYSA-N
SMILESCOP(=S)(OC)SC
PubChem CID18065
Physical properties
Physical formOther
LogP (XLogP3)1.6
H-bond donors / acceptors0 / 4
TPSA75.9 Ų
SynonymsO,O,S-Trimethyl phosphorodithioate, O,O,S-Trimethylphosphorodithioate, O,O,S-Trimethylphosphorodithionate, OOS-MeP(S), Methyl phosphorodithioate, O,O-dimethyl (methylsulfanyl)phosphonothioate, dithiophosphoric acid O,O',S-trimethyl ester, dimethoxy-methylsulfanyl-thioxo-lambda5-phosphane

Safety & hazard information (GHS)

GHS06 Toxic
Toxic
GHS07 Harmful / irritant
Harmful / irritant
GHS09 Environmental hazard
Environmental hazard

Signal word: Danger

Hazard statements

  • H301Toxic if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of O,O,S-Trimethyl Dithiophosphate?

The CAS Registry Number of O,O,S-Trimethyl Dithiophosphate is 2953-29-9. It is also known as O,O,S-Trimethyl phosphorodithioate, O,O,S-Trimethylphosphorodithioate, O,O,S-Trimethylphosphorodithionate.

What is the molecular formula and molecular weight of O,O,S-Trimethyl Dithiophosphate?

O,O,S-Trimethyl Dithiophosphate has the molecular formula C3H9O2PS2 and a molecular weight of 172.2 g/mol. Its IUPAC name is dimethoxy-methylsulfanyl-sulfanylidene-lambda5-phosphane.

Which grade and pack sizes of O,O,S-Trimethyl Dithiophosphate can I order?

We supply O,O,S-Trimethyl Dithiophosphate, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with O,O,S-Trimethyl Dithiophosphate?

Yes. Every lot of O,O,S-Trimethyl Dithiophosphate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can O,O,S-Trimethyl Dithiophosphate be shipped internationally?

Yes. O,O,S-Trimethyl Dithiophosphate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about O,O,S-Trimethyl Dithiophosphate

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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