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Chlorpyrifos

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Identification
Molecular formula
C9H11Cl3NO3P
CAS number
2921-88-2
IUPAC name
diethoxy-thioxo-[(3,5,6-trichloro-2-pyridyl)oxy]-lambda5-phosphane
State
State

At room temperature, chlorpyrifos is typically observed as a solid. It is commercially available in several formulations including granular forms, powders, or as a liquid concentrate for agricultural applications.

Melting point (Celsius)
42.00
Melting point (Kelvin)
315.15
Boiling point (Celsius)
160.00
Boiling point (Kelvin)
433.15
General information
Molecular weight
350.59g/mol
Molar mass
350.5900g/mol
Density
1.3985g/cm3
Appearence

Chlorpyrifos is a white crystalline solid. It is commonly found in a granular form for agricultural use, or dissolved in an emulsifiable concentrate for spraying. The compound is generally without a distinctive color and can often appear as a beige to white powder.

Comment on solubility

Solubility of Diethoxy-thioxo-[(3,5,6-trichloro-2-pyridyl)oxy]-lambda5-phosphane

The compound with the name diethoxy-thioxo-[(3,5,6-trichloro-2-pyridyl)oxy]-lambda5-phosphane, represented by the formula C9H11Cl3NO3P, shows intriguing solubility characteristics due to its unique structural features.

Key Factors Influencing Solubility:

  • Presence of Chlorine Atoms: The three chlorine (Cl) substituents on the pyridine ring contribute significantly to the compound's polarity, potentially enhancing its solubility in polar solvents.
  • Phosphorus Functional Group: The lambda5-phosphane group may interact favorably with protic solvents, influencing solubility in various environments.
  • Alkoxy Groups: The two ethoxy (O-alkyl) groups can increase the solubility in organic solvents, allowing for compatibility with a wider range of organic solutions.

In general, **polar solvents**, such as water, may have limited effectiveness due to the complex structure and potential steric hindrance, while **non-polar solvents** may offer better solubilization due to the compound's hydrophobic character. Therefore, one could expect:

  1. Moderate solubility in organic solvents, particularly those that can interact with the ethoxy groups.
  2. Limited solubility in highly polar solvents, despite the polar aspects introduced by the chlorine atoms.

In summary, understanding the solubility of diethoxy-thioxo-[(3,5,6-trichloro-2-pyridyl)oxy]-lambda5-phosphane requires careful consideration of its molecular interactions and how these affect the compound's behavior in various solvents.

Interesting facts

Interesting Facts about Diethoxy-thioxo-[(3,5,6-trichloro-2-pyridyl)oxy]-lambda5-phosphane

Diethoxy-thioxo-[(3,5,6-trichloro-2-pyridyl)oxy]-lambda5-phosphane is a fascinating compound that showcases the intricate relationships between organic chemistry and biological systems. Here are some key points to consider:

  • Dual Functionality: This compound has both phosphorus (P) and sulfur (S) elements, which can provide interesting reactivity patterns. Phosphorus is known for its ability to form stabilizing bonds, while sulfur can contribute to unique electronic properties.
  • Biological Implications: The presence of the 3,5,6-trichloro-2-pyridyl moiety indicates potential application in agrochemicals or pharmaceuticals. Pyridine derivatives are often associated with biological activity, leading to further research opportunities.
  • Thioxo Group: The thioxo (-S=) group enhances the compound's potential as a reactive species, which could be utilized in various organic transformations. This makes it a valuable target for synthetic chemists seeking new pathways.
  • Substituted Aromatics: The trichloro substitution on the pyridine ring suggests increased stability and hydrophobicity, which may influence the compound's interaction with biological membranes or other organic entities.

In the realm of chemical research, diethoxy-thioxo-[(3,5,6-trichloro-2-pyridyl)oxy]-lambda5-phosphane serves as a prime example of how complex organic structures can yield significant insights into chemical reactivity and biological interaction. As the field continues to explore phosphorus-containing compounds, this molecule might lead to innovative applications that bridge the gap between chemistry and practical use.

As a closing thought, science often thrives on exploration; compounds like this one open doors to potentially unprecedented discoveries in both fundamental and applied chemistry.

Synonyms
chlorpyrifos
2921-88-2
Dursban
Chlorpyriphos
Lorsban
Trichlorpyrphos
Coroban
Brodan
Chlorpyrifos-ethyl
Equity
Lentrek
Pyrinex
Stipend
Chloropyrifos
Lock-On
Danusban
Killmaster
Piridane
Durmet
Terial
Dowco 179
suSCon
Phosphorothioic acid, O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) ester
Dursban 4E
Bonidel
Geodinfos
Spannit
Tafaban
Zidil
Suscon blue
Suscon green
Dursban F
Dursban R
Chlorpyrifos ethyl
O,O-Diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate
Chlorpyriphos-ethyl
Ethyl chlorpyriphos
Dursban 10CR
Chlorpyrifos (Dursban)
Detmol U.A.
Chloropyriphos
m-Chlorpyrifos
Empire 20
Chlorpyrifos [BAN]
OMS-0971
pridane
Chlorpyrofos
Chlorpyrophos
Pageant
Silrifos
Warhawk
Bolton
Detmol
Tricel
Nufos
XRM 429
XRM 5160
Dursban 2E
ENT 27311
ENT-27311
NSC-755891
JCS58I644W
DTXSID4020458
CHEBI:34631
Phosphorothioic acid, O,O-diethyl O-(3,5,6-trichloro-2-pyridyl) ester
O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) thiophosphate
Clorpyrifos
O,O-Diethyl O-(3,5,6-trichloro-2-pyridinyl)phosphorothioate
2-Pyridinol, 3,5,6-trichloro-, O-ester with O,O-diethyl phosphorothioate
DTXCID80458
Bonidel; CPF Zamba; Chlora;
MLS001065609
O,O-Diaethyl-O-3,5,6-trichlor-2-pyridylmonothiophosphat
o,o-Diethyl-o-(3,5,6-trichloro-2-pyridyl)phosphorothioate
Chlorpyrifos (BAN)
ENT 27,311
Dhanusban
SMR000568474
Grofo
O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate
O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate
Detmol ua
Radar (fungicide)
CHLORPYRIFOS (MART.)
CHLORPYRIFOS [MART.]
Dursban 44
Lorsban 50SL
Terial 40L
O,O-Diethyl O-(3,5,6-Trichloro-2-pyridyl) phosphorothioate
Caswell No. 219AA
diethoxy-sulfanylidene-[(3,5,6-trichloro-2-pyridinyl)oxy]phosphorane
Chlorpyriphos [ISO-French]
CAS-2921-88-2
CCRIS 7144
HSDB 389
Chlorpyrifos [ANSI:BSI:ISO]
EINECS 220-864-4
EPA Pesticide Chemical Code 059101
BRN 1545756
UNII-JCS58I644W
AI3-27311
Ethion, dry
Lorsban 4E
MFCD00041800
Zodiac (TN)
Chlorpyrifos (ethyl)
TRICHLORPYRIPHOS
DURSBAN TC
Spectrum_001897
O,O-Diethyl O-(3,5,6-trichloro-2-pyridyl) phsophorothioate
Chlorpyrifos (Standard)
SpecPlus_000518
diethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxyphosphorane
O,O-Diaethyl-O-3,5,6-trichlor-2-pyridylmonothiophosphat [German]
Spectrum2_001230
Spectrum3_000849
Spectrum4_000689
Spectrum5_002014
CHLORPYRIFOS [MI]
CHLORPYRIFOS [ISO]
CHLORPYRIFOS [HSDB]
cid_2730
Dursban, analytical standard
Analytical grade chlorpyrifos
BIDD:PXR0044
SCHEMBL21680
BSPBio_002437
KBioGR_001157
KBioSS_002427
SPECTRUM330058
DivK1c_006614
SPBio_001080
CHEMBL463210
BDBM74063
HY-B0815R
KBio1_001558
KBio2_002421
KBio2_004989
KBio2_007557
KBio3_001937
SBPBAQFWLVIOKP-UHFFFAOYSA-
OMS 971
HMS3039C03
HMS3264O03
O,O-Diethyl-O-(3,5,6-trichloro-2-pyridyl)phosphorothiolate
Pharmakon1600-00330058
HY-B0815
MSK20001
Tox21_202383
Tox21_300148
AC-993
CCG-39144
diethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxy-|E5-phosphane
NSC755891
O,O-DIETHYL O-3,5,6-TRICHLOROPYRIDIN-2-YL PHOSPHOROTHIOATE
AKOS015891656
Chlorpyrifos 100 microg/mL in Acetone
KS-5372
NSC 755891
USEPA/OPP Pesticide Code: 059101
Chlorpyrifos 1000 microg/mL in Acetone
Chlorpyrifos 1000 microg/mL in Toluene
NCGC00091472-01
NCGC00091472-02
NCGC00091472-03
NCGC00091472-04
NCGC00091472-05
NCGC00091472-06
NCGC00091472-07
NCGC00091472-08
NCGC00091472-09
NCGC00253974-01
NCGC00259932-01
1ST20001
Chlorpyrifos 10 microg/mL in Cyclohexane
Chlorpyrifos 100 microg/mL in Cyclohexane
SBI-0052543.P002
Chlorpyrifos 100 microg/mL in Acetonitrile
CS-0012832
NS00000445
D07688
H10426
AB00053051_06
Chlorpyrifos, PESTANAL(R), analytical standard
A819822
Q414915
SR-01000854727
SR-01000854727-2
BRD-K08303368-001-02-7
BRD-K08303368-001-06-8
BRD-K08303368-001-10-0
Chlorpyrifos, certified reference material, TraceCERT(R)
O,O-Diethyl O-3,5,6-trichloro-2-pyridylphosphorothioate
O,O-Diethyl-O-3,5,6-trichloro-2-pyridyl phosphorothioate
diethoxy-thioxo-[(3,5,6-trichloro-2-pyridyl)oxy]phosphorane
O,O-Diethyl o-(3,5,6-trichloro-2-pyridinyl) thiophosphate #
diethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxy--phosphane
ethyl 3,5,6-trichloropyridin-2-yl ethoxy(sulfanylidene)phosphonite
O,O-DIETHYL O-(3,5,6-TRICHLORO-2-PYRIDYL) THIOPHOSPHATE
diethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxy-lambda5-phosphane
diethoxy-sulfanylidene-[3,5,6-tris(chloranyl)pyridin-2-yl]oxy--phosphane
O,O-Diethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioic acid ester
O,O-DIETHYL O-(3,5,6-TRICHLORO-2-PYRIDYL)PHOSPHOROTHIOIC ACID ESTER
3,5,6-TRICHLORO-2-PYRIDINOL O-ESTER WITH O,O-DIETHYL PHOSPHOROTHIOATE
diethoxy-sulfanylidene-[3,5,6-tris(chloranyl)pyridin-2-yl]oxy-$l^{5}-phosphane
O,O-DIETHYL O-(3,5,6-TRICHLORO-2-PYRIDINYL)PHOSPHOROTHIOIC ACID ESTER
PHOSPHOROTHIOIC ACID, O,O-DIETHYL O-(3,5,6-TRICHLORO-2-PYRIDINYL)ESTER
PHOSPHOROTHIOIC ACID, O,O-DIETHYL O-(3,5,6-TRICHLORO-2-PYRIDYL)ESTER
220-864-4
InChI=1/C9H11Cl3NO3PS/c1-3-14-17(18,15-4-2)16-9-7(11)5-6(10)8(12)13-9/h5H,3-4H2,1-2H3