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Ethephon

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Identification
Molecular formula
C2H6ClO3P
CAS number
16672-87-0
IUPAC name
2-chloroethylphosphonic acid
State
State

At room temperature, ethephon is typically found as a solid but readily dissolves in water to form colorless solutions. It is often used in liquid formulations due to its hygroscopic nature and ease of dissolving in water.

Melting point (Celsius)
74.00
Melting point (Kelvin)
347.00
Boiling point (Celsius)
248.00
Boiling point (Kelvin)
521.00
General information
Molecular weight
144.49g/mol
Molar mass
144.4880g/mol
Density
1.2410g/cm3
Appearence

Ethephon is a colorless crystalline solid. It is highly hygroscopic, meaning it readily absorbs moisture from the air. In its pure form, it can appear as a powder or granules but typically is found in liquid formulations for agricultural use, as it dissolves easily in water.

Comment on solubility

Solubility of 2-chloroethylphosphonic acid

2-chloroethylphosphonic acid, with its chemical formula C2H6ClO3P, exhibits notable solubility characteristics that are essential in various applications. The solubility of this compound can be summarized as follows:

  • Polar Nature: The presence of both chlorine and phosphonic acid functional groups contributes to a polar character, enabling it to dissolve well in polar solvents.
  • Water Solubility: 2-chloroethylphosphonic acid is highly soluble in water, which is a significant property for its use in agriculture as a plant growth regulator.
  • Organic Solvents: It also shows a degree of solubility in some organic solvents, though the extent may vary based on the solvent’s polarity.

In summary, the solubility of 2-chloroethylphosphonic acid is influenced by its molecular structure and the presence of polar functional groups, making it useful in applications requiring high solubility in aqueous environments. As such, understanding its solubility can be pivotal for its effective utilization in various scientific fields.

Interesting facts

Interesting Facts about 2-Chloroethylphosphonic Acid

2-Chloroethylphosphonic acid, also known as ethephon, is a fascinating chemical compound that plays a significant role in the field of agriculture and plant science. Here are some intriguing aspects of this compound:

  • Plant Growth Regulator: 2-Chloroethylphosphonic acid is a widely used plant growth regulator, specifically known for its ability to promote the ripening of fruits. This compound facilitates the production of ethylene, a natural plant hormone that regulates various processes, including fruit maturation.
  • Applications in Agriculture: It is employed in a variety of crops, notably tomatoes, pineapples, and cotton. The application of this compound ensures synchronized ripening and improves harvest efficiency.
  • Mechanism of Action: Ethephon works by releasing ethylene gas once it is absorbed by the plant tissues. This action triggers several physiological responses, such as enhanced respiration and accelerated ripening.
  • Effect on Crop Quality: Researchers have found that the use of 2-chloroethylphosphonic acid can improve the quality of harvested fruits, enhancing their color and flavor, which is beneficial for consumers.
  • Environmental Considerations: While effective in enhancing agricultural productivity, the ecological impact of synthetic plant growth regulators, including this compound, is a subject of ongoing research. Scientists are focusing on developing application methods that minimize environmental risks.

As the use of chemical compounds in agriculture continues to evolve, ethephon represents an interesting intersection of chemistry and practical application, illustrating how understanding molecular interactions can lead to improved agricultural practices. Its role in fruit ripening is just one of the many examples of how chemistry directly impacts everyday life.

Synonyms
ETHEPHON
16672-87-0
2-Chloroethylphosphonic acid
(2-Chloroethyl)phosphonic acid
Ethrel
Bromeflor
Camposan
2-Cepa
Ethefon
Etheverse
Flordimex
Kamposan
Tomathrel
Cerone
Ethel
Florel
2-Chloroethanephosphonic acid
Chloroethylphosphonic acid
Roll-Fruct
Ethrel C
Bromoflor
Floridex
Arvest
Ethepon
Terpal
Cepha
Gagro
CEPA
PREP
Cepha 10LS
Chipco Florel PRO
Amchem 68-250
Florel Plant Growth
2-Chloraethyl-phosphonsaeure
Acide chloro-2-ethyl-phosphonique
G 996
XU5R5VQ87S
CHEBI:52741
beta-chloroethylphosphonic acid
P(33)-(2-chloroethyl)phosphonic acid
240-718-3
Phosphonic acid, (2-chloroethyl)-
Chlorethephon
MFCD00002142
DTXSID7024085
CEP
Ethephon 100 microg/mL in Acetonitrile
Ethephon [ANSI]
DTXCID804085
Caswell No. 426A
(2-Chloroethyl) Phosphonic Acid (>85%)
CAS-16672-87-0
HSDB 2618
EINECS 240-718-3
2-Chloraethyl-phosphonsaeure [German]
UNII-XU5R5VQ87S
EPA Pesticide Chemical Code 099801
BRN 1751208
Acide chloro-2-ethyl-phosphonique [French]
Ethrel-E
Ethrel-R (Salt/Mix)
ETHEPHON [HSDB]
ETHEPHON [MI]
Chloroethyl)phosphonic acid
2-Cloroethylphosphonic acid
SCHEMBL37574
orb2566298
SCHEMBL9436890
CHEMBL1895474
Ethephon, >=96% (titration)
Tox21_202118
Tox21_301134
AKOS009031487
HY-W131845
NCGC00163720-01
NCGC00163720-02
NCGC00163720-03
NCGC00163720-04
NCGC00163720-05
NCGC00163720-06
NCGC00255033-01
NCGC00259667-01
(P)-(2-CHLOROETHYL)PHOSPHONIC ACID
DB-043662
CS-0197818
Ethephon, PESTANAL(R), analytical standard
NS00001210
EN300-19733
C18399
T70393
(2-Chloroethyl) Phosphonic Acid (>85per cent)
Q209355