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Analytical Reagents

Leptophos

Available on request

Leptophos (CAS 21609-90-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-046874.

Pack sizes
Leptophos chemical structure
CAS number21609-90-5
FormulaC13H10BrCl2O2PS
Molar mass412.1 g/mol
InChIKeyCVRALZAYCYJELZ-UHFFFAOYSA-N
IUPAC name(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane

About Leptophos

Leptophos is part of the Zemixal analytical Reagents range. Identity at a glance: CAS 21609-90-5, formula C13H10BrCl2O2PS and molar mass 412.1 g/mol.

Where it is used

  • Agrochemical formulations
  • Laboratory analysis

Storage and safety notes

Hazard communication follows GHS (Danger: H301, H312, H400 and H410). Our SDS lists exposure controls and first-aid measures.

Order it in 100 mg, 250 mg, 1 g and 5 g packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Agrochemical formulations
  • Laboratory analysis

Applications

Specifications and identifiers

Specifications of Leptophos
Product nameLeptophos
Catalogue numberZX-046874
CAS number21609-90-5
IUPAC name(4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane
Molecular formulaC13H10BrCl2O2PS
Molar mass412.1 g/mol
Exact mass409.87
XLogP36.3
H-bond donors / acceptors0 / 3
Topological polar surface area50.6 Ų
InChIKeyCVRALZAYCYJELZ-UHFFFAOYSA-N
SMILESCOP(=S)(C1=CC=CC=C1)OC2=CC(=C(C=C2Cl)Br)Cl
PubChem CID30709
SynonymsVelsicol 506, Velsicol VCS 506, Abar (velsicol), O-(4-Bromo-2,5-dichlorophenyl) O-methyl phenylphosphonothioate, VCS-506, Phosphonothioic acid, phenyl-, O-(4-bromo-2,5-dichlorophenyl) O-methyl ester, OMS 1438, NK 711, VCS 5-D, O-(2,5-Dichloro-4-bromophenyl) O-methyl phenylthiophosphonate, 4-bromo-2,5-dichlorophenyl methyl phenyl(sulfanylidene)phosphonite

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
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301Toxic if swallowed
  • H312Harmful in contact with skin
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P260, P264, P270, P273, P280, P301 + P316, P302 + P352, P308 + P316, P317, P321, P330, P362 + P364, 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 Leptophos
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 Leptophos

Which CAS number identifies Leptophos?
Leptophos is registered under CAS 21609-90-5. You may also see it listed as Velsicol 506, Velsicol VCS 506, Abar (velsicol). Our catalogue number for this item is ZX-046874.
What are the formula and molar mass of Leptophos?
For Leptophos, its formula is C13H10BrCl2O2PS and its molar mass is 412.1 g/mol. The systematic (IUPAC) name is (4-bromo-2,5-dichlorophenoxy)-methoxy-phenyl-sulfanylidene-lambda5-phosphane. InChIKey CVRALZAYCYJELZ-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Leptophos?
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 Leptophos?
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 Leptophos to my country?
Yes. Because Leptophos 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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