Chlorpyrifos

Name: Chlorpyrifos
Brand: Zemixal
SKU: ZX-031392

Reference StandardAvailable on request

Order Chlorpyrifos (CAS 2921-88-2) online at Zemixal. Request a quote with price, lead time and documents. Part of our API Reference Standards range.

Pack sizes

CAS number2921-88-2

FormulaC₉H₁₁Cl₃NO₃PS

Molar mass350.6 g/mol

Physical formSolid

HS code38229090

InChIKeySBPBAQFWLVIOKP-UHFFFAOYSA-N

IUPAC namediethoxy-sulfanylidene-[(3,5,6-trichloro-2-pyridinyl)oxy]-lambda5-phosphane

About Chlorpyrifos

Analytical teams working on Chlorpyrifos use Chlorpyrifos as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 2921-88-2, formula C9H11Cl3NO3PS and molar mass 350.6 g/mol. It is handled as a solid.

Typical applications

Identification & assay
Method development & validation
QC reference material
Agrochemical formulations

Safe handling

Classified under GHS with signal word Danger and hazard statements H301, H400 and H410. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Chlorpyrifos

See every impurity, metabolite and related compound we list for this API.

Chlorpyrifos standards

Typical uses

Identification & assay
Method development & validation
QC reference material
Agrochemical formulations

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Chlorpyrifos
Product name	Chlorpyrifos
Catalogue number	ZX-031392
CAS number	2921-88-2
IUPAC name	diethoxy-sulfanylidene-[(3,5,6-trichloro-2-pyridinyl)oxy]-lambda5-phosphane
Molecular formula	C₉H₁₁Cl₃NO₃PS
Molar mass	350.6 g/mol
Exact mass	348.9263
Grade	Reference Standard
Physical form	Solid
XLogP3	5.3
H-bond donors / acceptors	0 / 5
Topological polar surface area	72.7 Å²
HS code	38229090
InChIKey	SBPBAQFWLVIOKP-UHFFFAOYSA-N
SMILES	CCOP(=S)(OCC)OC1=NC(=C(C=C1Cl)Cl)Cl
PubChem CID	2730
Synonyms	Chlorpyrifos-ethyl, Piridane, Dowco 179, Chlorpyrifos ethyl, Lock-On, Terial, Suscon green, Suscon blue, Dursban F, Dursban R, Phosphorothioic acid, O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) ester, Dursban 4E

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

Safety and GHS hazards

Acute toxicity

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
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted 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

Which CAS number identifies Chlorpyrifos?

Chlorpyrifos is registered under CAS 2921-88-2. You may also see it listed as Chlorpyrifos-ethyl, Piridane, Dowco 179. Our catalogue number for this item is ZX-031392.

What are the formula and molar mass of Chlorpyrifos?

For Chlorpyrifos, its formula is C9H11Cl3NO3PS and its molar mass is 350.6 g/mol. The systematic (IUPAC) name is diethoxy-sulfanylidene-[(3,5,6-trichloro-2-pyridinyl)oxy]-lambda5-phosphane. InChIKey SBPBAQFWLVIOKP-UHFFFAOYSA-N lets you match it in any structure database.

How is Chlorpyrifos used in pharmaceutical QC?

Chlorpyrifos is a characterised reference material linked to Chlorpyrifos. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Chlorpyrifos?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Chlorpyrifos?

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 to my country?

Yes. Because Chlorpyrifos 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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