Research chemical

O,O,O-trimethyl phosphorothioate

CAS Number: 152-18-1

Product details

Identity & specification

Molecular formula: C3H9O3PS
Molecular weight: 156.14 g/mol
Product type: Research-use catalog compound
Documentation: COA / SDS available by request

For laboratory research and professional procurement workflows.

Technical identifiers

Show PubChem, InChIKey, IUPAC, and SMILES

PubChem CID

9038

Exact Mass

156.001002

InChIKey

XWSLYQXUTWUIKM-UHFFFAOYSA-N

IUPAC Name

trimethoxy(sulfanylidene)-lambda5-phosphane

SMILES String

COP(=S)(OC)OC

Physical Properties

No physical property values available.

Show more physical data

XLogP

1.2

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Computed Structure Descriptors

Show calculated structure fields

Heavy atom count

H-bond acceptors

H-bond donors

Rotatable bonds

Ring count

Aromatic rings

Topological polar surface area

27.69 Å²

Computed LogP

1.15

Fragment-like structure rule

Yes

Lead-like structure rule

Yes

Drug-like structure rule

Yes

Structure family

phosphine ligand

Precious metal motif

Transition metal motif

Phosphine ligand motif

Yes

N-heterocycle motif

Boronic acid motif

Computed structure descriptors generated from molecular structure. These are not experimental physical property values, supplier specifications, SDS data, or bioactivity claims.

Catalog Facts

Structural features

O,O,O-trimethyl phosphorothioate (CAS 152-18-1) is listed in the Materials Science portfolio, with molecular formula C3H9O3PS and molecular weight 156. 14 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for materials chemistry research and formulation screening workflows.

Documentation needs

SDS signal word: Danger; hazard codes: H302, H315, H319, H330, H335; For research use only.

Applications & Classification

Materials Science Polymer ScienceResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

Keep container tightly closed and dry.
Store in a well-ventilated place.
Avoid contact with skin and eyes.

First Aid

Do not give anything to an unconscious person.
Rinse mouth with water.

Stability / Reactivity

and reactive.
Carbon monoxide, carbon dioxide, phosphorus oxide, sulfur oxides.

Disposal

The product The remaining and non-recyclable solution should be handed over to a licensed company for disposal.
Contact a professional organization with a waste disposal license to handle this substance.

Show additional safety reference fields

Fire Fighting

If necessary, wear a self-contained breathing apparatus for firefighting.

Accidental Release

Do not generate dust when collecting and disposing.
Sweep and shovel up.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Synonyms & references

Names & Synonyms

Phosphorothioic acid, O,O,O-trimethyl esterO,O,O-Trimethyl phosphorothioic acid esterTrimethyl thiophosphateTrimethylthiophosphateO,O,O-Trimethyl thiophosphate

Show all synonyms

TrimethylthiofosfatO,O,O-TrimethylthiophosphateO,O,O-TrimethylthiofosfatHC 7900SD 4741O,O,O-Trimethylester kyseliny thiofosforecneTrimethylthiofosfat [Czech]CCRIS 5569O,O,O-Trimethylthiofosfat [Czech]O,O,O-Trimethylester kyseliny thiofosforecne [Czech]Trimethyl thionophosphateTrimethoxyphosphine Sulfide(CH3O)3PSo,o',o''-Trimethyl thiophosphate

External Identifiers

EC NUMBER: 678-846-0DSSTOX SUBSTANCE ID: DTXSID30164927UNII: 69JRL96TGYWIKIDATA ID: Q63396031

Experimental Spectrum References

13C NMR Spectra 1H NMR Spectra 31P NMR Spectra FTIR Spectra Vapor Phase IR Spectra

Documentation & Compliance Facts

Compliance Facts

Signal word: Danger

Supplier SDS reference cue; confirm supplier documentation before use.

Hazard statements: H302, H315, H319, H330, H335

Supplier SDS hazard code reference; confirm full text in supplier documentation.

Precautionary statements: P264, P270, P271, P280, P284, P302+P352, P304+P340, P305+P351+P338, P310, P330, P362+P364, P403+P233, P405, P501

Supplier SDS precautionary code reference; confirm full text in supplier documentation.

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

1We review the CAS identity, quantity, and documentation request.
2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
3We review destination and shipment documentation needs when applicable.
4We follow up with a quotation or clarification request.

Text Reference Cues

Additional text reference cues are not available for this catalog entry.

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Procurement notes

Sourcing context and documentation notes

Show details

MolGraph uses public price and availability evidence as a starting point, then confirms current stock, quotation, COA/SDS, lot specification, lead time, and shipment documentation before final acceptance.

Package and specification

Use the quote panel for visible public options. Additional quantities or specifications can be reviewed by RFQ.

Final lot confirmation

Purity, lot identity, and batch-specific documentation are confirmed before procurement decisions.

Supply documentation

Supplier-issued COA and SDS can be requested before handling, storage, shipment, or procurement decisions.

Quotation review

Final quote depends on quantity, lead time, destination, and supplier confirmation.

Procurement questions

Is CAS 152-18-1 in stock?

O,O,O-trimethyl phosphorothioate is in stock. Estimated delivery: 5–9 business days. Submit an RFQ to confirm final price, lot specification, documentation, and destination-specific shipping terms.

How is the final price confirmed?

The page shows a public reference price in the quote panel. Submit an RFQ to confirm current price, quantity breaks, lead time, and destination-specific shipping requirements.

Can MolGraph provide COA or SDS for CAS 152-18-1?

Yes. Supplier-issued COA and SDS can be requested during the RFQ workflow. Lot-specific documents depend on supplier and batch confirmation.