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Analytical Reagents

Chlorpyrifos Oxon

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Buy Chlorpyrifos Oxon (CAS 5598-15-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our Analytical Reagents range.

Pack sizes
Chlorpyrifos Oxon chemical structure
CAS number5598-15-2
FormulaC9H11Cl3NO4P
Molar mass334.5 g/mol
InChIKeyOTMOUPHCTWPNSL-UHFFFAOYSA-N
IUPAC namediethyl (3,5,6-trichloro-2-pyridinyl) phosphate

About Chlorpyrifos Oxon

Zemixal supplies Chlorpyrifos Oxon within its laboratory Chemicals & Reagents portfolio. Identity at a glance: CAS 5598-15-2, formula C9H11Cl3NO4P and molar mass 334.5 g/mol.

Use cases we see most often

  • Agrochemical formulations
  • Laboratory analysis

Storage and safety notes

It carries the GHS signal word Danger (H301, H400 and H410), so wear gloves and eye protection and work with good ventilation.

Order it in 100 mg, 250 mg, 1 g and 5 g packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Agrochemical formulations
  • Laboratory analysis

Applications

Specifications and identifiers

Specifications of Chlorpyrifos Oxon
Product nameChlorpyrifos Oxon
Catalogue numberZX-046548
CAS number5598-15-2
IUPAC namediethyl (3,5,6-trichloro-2-pyridinyl) phosphate
Molecular formulaC9H11Cl3NO4P
Molar mass334.5 g/mol
Exact mass332.9491
XLogP33.5
H-bond donors / acceptors0 / 5
Topological polar surface area57.7 Ų
InChIKeyOTMOUPHCTWPNSL-UHFFFAOYSA-N
SMILESCCOP(=O)(OCC)OC1=NC(=C(C=C1Cl)Cl)Cl
PubChem CID21804
Synonymsdiethyl 3,5,6-trichloropyridin-2-yl phosphate, diethyl (3,5,6-trichloropyridin-2-yl) phosphate, Chloropyrifos oxon, Fospirate-ethyl, Chlorphrifos Oxon, Diethyl-2,5,6-trichloro-2-pyridinol, O,O-Diethyl O-3,5,6-trichloro-2-pyridyl phosphate, Phosphoric acid, diethyl 3,5,6-trichloro-2-pyridinyl ester, 6-Trichloro-2-pyridyl Diethyl Phosphate, Diethyl 3,5,6-trichloro-2-pyridyl phosphate, 3,5,6-Trichloro-2-pyridyl diethyl phosphate, diethyl (3,5,6-trichloro-2-pyridyl) phosphate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301Toxic if swallowed
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P264, P270, P273, P301 + P316, P321, P330, P391, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Chlorpyrifos Oxon
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Chlorpyrifos Oxon

Which CAS number identifies Chlorpyrifos Oxon?
Chlorpyrifos Oxon is registered under CAS 5598-15-2. You may also see it listed as diethyl 3,5,6-trichloropyridin-2-yl phosphate, diethyl (3,5,6-trichloropyridin-2-yl) phosphate, Chloropyrifos oxon. Our catalogue number for this item is ZX-046548.
What are the formula and molar mass of Chlorpyrifos Oxon?
For Chlorpyrifos Oxon, its formula is C9H11Cl3NO4P and its molar mass is 334.5 g/mol. The systematic (IUPAC) name is diethyl (3,5,6-trichloro-2-pyridinyl) phosphate. InChIKey OTMOUPHCTWPNSL-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Chlorpyrifos Oxon?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Chlorpyrifos Oxon?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Chlorpyrifos Oxon to my country?
Yes. Because Chlorpyrifos Oxon is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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