Ethephon supplier | CasNO.16672-87-0

Name
Ethephon
EINECS 240-718-3
CAS No. 16672-87-0
Article Data30
CAS DataBase
Density 1.568 g/cm³
Solubility Completely soluble in water
Melting Point 70-72 °C(lit.)
Formula C₂H₆ClO₃P
Boiling Point 333.4 °C at 760 mmHg
Molecular Weight 144.495
Flash Point 155.4 °C
Transport Information UN 2928 6.1/PG 2
Appearance white to beige powder
Safety 26-28-36/37/39-45-61
Risk Codes 20/21-34-52/53
Molecular Structure
Hazard Symbols C
Synonyms Camposan M;Roll-Fruct;Flordimex TM;Etheverse;Campoletis sonorensis virusCamposan;Ethrel;Cepha 10LS;Phosphonic acid,(2-chloroethyl)-;G 996 (pesticide);Flordimex;2-chloroethyl-dioxido-oxo-phosphorane;2-chloroethylphosphonic acid;
PSA 67.34000
LogP 0.40290

Synthetic route

: 26119-41-5
dimethyl 2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride at 110℃; for 9h; atmospheric pressure;	93%
With hydrogenchloride In water for 24h; Heating; Yield given;

: 67344-36-9
di(trimethylsilyl)-2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With water at 20℃; for 1h;	90%
With water

: 25131-74-2
diisopropyl 2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride for 24h; Heating;	90%
With hydrogenchloride In water at 130 - 140℃; Microwave irradiation; Sealed tube;	84%
With hydrogenchloride In water for 24h; Heating;	80%

: 10419-79-1
diethyl 2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride at 110℃; for 12h; atmospheric pressure;	88%
With hydrogenchloride In water at 100℃; for 0.416667h; Microwave irradiation; Sealed tube;	79%

: 88093-47-4
dipropyl 2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride at 120℃; under 3800 Torr; for 15h;	80%

: 20135-59-5
dibutyl 2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride at 120℃; under 3800 Torr; for 16h;	75%
With hydrogenchloride In water for 24h; Heating; Yield given;

: dipentyl 2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride at 120℃; under 3800 Torr; for 19h;	73%

: 6294-34-4
bis(2-chloroethyl) 2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride at 100 - 110℃;	10%
With hydrogenchloride at 150 - 160℃;

: 107-06-2
1,2-dichloro-ethane

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
(i) PCl3, AlCl3, (ii) diethyl phthalate, SO2, (iii) H2O; Multistep reaction;

: 39118-50-8
2-acetoxyethanephosphonic acid dimethyl ester

A: 16672-87-0
2-chloroethylphosphonic acid

B: 22987-21-9
β-Hydroxyethanphosphonsaeure

C: 32541-80-3
β-Acetoxyethanphosphonsaeure

Conditions

Conditions	Yield
With hydrogenchloride In water at 100℃; for 11h;	A 3 % Spectr. B 77 % Spectr. C 18 % Spectr.
With water at 160℃; for 6.5h; Product distribution; hydrolysis, reagent, temperature;	A 3 % Spectr. B 77 % Spectr. C 18 % Spectr.

...Expand

: 50655-62-4
2-Acetoxyethanphosphonseauredichlorid

A: 1746-03-8
vinylphosphonic acid

B: 16672-87-0
2-chloroethylphosphonic acid

C: 22987-21-9
β-Hydroxyethanphosphonsaeure

D: 32541-80-3
β-Acetoxyethanphosphonsaeure

E: 2-(2-Hydroxyethan-hydrogenphosphonato)-ethanphosphonseaure

Conditions

Conditions	Yield
With water at 30 - 35℃; for 24h; Product distribution; hydrolysis, temperature;	A 0.4 % Spectr. B 3.4 % Spectr. C 60 % Spectr. D 30 % Spectr. E 4.4 % Spectr.

...Expand

: 6294-34-4
bis(2-chloroethyl) 2-chloroethylphosphonate

A: 16672-87-0
2-chloroethylphosphonic acid

B: 2-chloroethyl monoester of 2-chloroethyl-phosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride In water for 24h; Heating; Yield given;

: 7647-01-0
hydrogenchloride

: 6294-34-4
bis(2-chloroethyl) 2-chloroethylphosphonate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
at 150 - 160℃;

: 6294-34-4
bis(2-chloroethyl) 2-chloroethylphosphonate

A: 16672-87-0
2-chloroethylphosphonic acid

B: 22987-21-9
β-Hydroxyethanphosphonsaeure

C: 107-06-2
1,2-dichloro-ethane

D: 107-07-3
2-chloro-ethanol

Conditions

Conditions	Yield
With hydrogenchloride at 120℃; under 3800 Torr; for 16h; Product distribution; Further Variations:; Pressures; Temperatures;

...Expand

: 75-00-3
chloroethane

: 75-01-4
chloroethylene

: 10419-79-1
diethyl 2-chloroethylphosphonate

: 762-04-9, 123-22-8
Diethyl phosphonate

: 16672-87-0
2-chloroethylphosphonic acid

...Expand

: 1809-19-4
dibutyl hydrogen phosphite

: 13598-36-2
phosphonic Acid

: 75-01-4
chloroethylene

: 16456-56-7
Phosphoric acid mono-n-butylester

A: 16672-87-0
2-chloroethylphosphonic acid

B: 20135-59-5
dibutyl 2-chloroethylphosphonate

C: 1118607-72-9
2-chloroethylphosphonic acid monobutyl ether

Conditions

Conditions	Yield
With di-tert-butyl peroxide at 125 - 130℃; for 14h; Product distribution / selectivity;

...Expand

: 20135-59-5
dibutyl 2-chloroethylphosphonate

: 1118607-72-9
2-chloroethylphosphonic acid monobutyl ether

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride; water at 120 - 125℃; for 2h; Product distribution / selectivity;

: 6294-34-4
bis(2-chloroethyl) 2-chloroethylphosphonate

A: 16672-87-0
2-chloroethylphosphonic acid

B: 107-06-2
1,2-dichloro-ethane

Conditions

Conditions	Yield
With hydrogenchloride at 150℃; under 3750.38 Torr; High pressure;

: 115-96-8
Tris(2-chloroethyl) phosphate

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride at 150℃; for 80h; Large scale;

: 690-12-0
(2-chloroethyl)phosphonic dichloride

: 16672-87-0
2-chloroethylphosphonic acid

Conditions

Conditions	Yield
With water at 80 - 85℃; for 1h; Large scale;	103.5 kg

: 16672-87-0
2-chloroethylphosphonic acid

: 7582-45-8
(2-iodoethyl)phosphonic acid

Conditions

Conditions	Yield
With hydrogen iodide for 5h; Heating;	88%
With sodium iodide In acetone

: 16672-87-0
2-chloroethylphosphonic acid

: 7664-41-7
ammonia

: 2041-14-7
(2-aminethyl)phosphonic acid

Conditions

Conditions	Yield
With sodium hydroxide; potassium iodide at 20℃; for 172h; pH=8; Substitution; Acid hydrolysis;	88%

: 16672-87-0
2-chloroethylphosphonic acid

: 107-15-3
ethylenediamine

: 112013-36-2
[2-(2-amino-ethylamino)-ethyl]-phosphonic acid

Conditions

Conditions	Yield
With sodium hydroxide; potassium iodide at 20℃; for 172h; pH=8; Substitution; Acid hydrolysis;	86.5%

: 16672-87-0
2-chloroethylphosphonic acid

: 113-00-8
guanidine nitrate

: 55215-15-1
2-Guanidinoethylphosphonic acid

Conditions

Conditions	Yield
With sodium hydroxide; potassium iodide at 20℃; for 172h; pH=8; Substitution; Acid hydrolysis;	85.2%

: 16672-87-0
2-chloroethylphosphonic acid

: 100-46-9
benzylamine

: 72696-92-5
acide N-benzylamino-2 ethylphosphonique

Conditions

Conditions	Yield
With sodium hydroxide; potassium iodide at 20℃; for 172h; pH=8; Substitution; Acid hydrolysis;	84.5%

: 107-10-8
propylamine

: 16672-87-0
2-chloroethylphosphonic acid

: 79782-63-1
acide N-propylamino-2 ethylphosphonique

Conditions

Conditions	Yield
With sodium hydroxide; potassium iodide at 20℃; for 172h; pH=8; Substitution; Acid hydrolysis;	79.9%

: 16672-87-0
2-chloroethylphosphonic acid

: 124-40-3
dimethyl amine

: 14596-56-6
2-(dimethylamino)ethylphosphonate

Conditions

Conditions	Yield
With sodium hydroxide; potassium iodide at 20℃; for 172h; pH=8; Substitution; Acid hydrolysis;	79.3%

: 16672-87-0
2-chloroethylphosphonic acid

: 109-89-7
diethylamine

: 69303-27-1
(2-diethylamino-ethyl)-phosphonic acid

Conditions

Conditions	Yield
With sodium hydroxide; potassium iodide at 20℃; for 172h; pH=8; Substitution; Acid hydrolysis;	79.2%

: 16672-87-0
2-chloroethylphosphonic acid

: 74-89-5
methylamine

: 14596-55-5
2-(N-methylamino)ethylphosphonic acid

Conditions

Conditions	Yield
With sodium hydroxide; potassium iodide at 20℃; for 172h; pH=8; Substitution; Acid hydrolysis;	78.2%

: 16672-87-0
2-chloroethylphosphonic acid

: (E)-14-iodotetradeca-13-en-3,5-diyn-1-ol

: C16H23ClIO3P

Conditions

Conditions	Yield
Stage #1: 2-chloroethylphosphonic acid With dicyclohexyl-carbodiimide In dichloromethane for 0.25h; Inert atmosphere; Stage #2: (E)-14-iodotetradeca-13-en-3,5-diyn-1-ol In dichloromethane at 20℃; for 48h; Inert atmosphere;	75%

: 16672-87-0
2-chloroethylphosphonic acid

: 593-51-1
methylamine hydrochloride

: 14596-55-5
2-(N-methylamino)ethylphosphonic acid

Conditions

Conditions	Yield
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.5h;	72%

: 23581-79-5, 37834-17-6, 42724-61-8
cis-Mo(CO)4(PPh2Cl)2

: 16672-87-0
2-chloroethylphosphonic acid

: 96679-93-5
Mo(CO)4{(P(C6H5)2O)2P(O)CH2CH2Cl}

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran byproducts: (Et3NH)Cl; recrystn. from dichloromethane/hexanes mixtures;	50.4%

: 18542-42-2
(2-aminoethyl)methylsulfide

: 16672-87-0
2-chloroethylphosphonic acid

: C5H14NO3PS

Conditions

Conditions	Yield
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.5h;	50%

: 16672-87-0
2-chloroethylphosphonic acid

: 111-27-3
hexan-1-ol

: 6924-92-1
(2-chloro-ethyl)-phosphonic acid dihexyl ester

Conditions

Conditions	Yield
With triethylamine

: 75-21-8
oxirane

: 16672-87-0
2-chloroethylphosphonic acid

: 59259-24-4
Di-O-β-hydroxyaethyl-β-chloraethylphosphonat

Conditions

Conditions	Yield
In benzene

: 16672-87-0
2-chloroethylphosphonic acid

A: 74-85-1
ethene

B: 1746-03-8
vinylphosphonic acid

C: 22987-21-9
β-Hydroxyethanphosphonsaeure

Conditions

Conditions	Yield
With sodium hydroxide Mechanism; Product distribution; other 2-haloethylphosphonic acids or esters; var. aqueous and non-aqueous solvents, var. times, var. temp., var. pH; isotopic effect;

...Expand

Ethephon Chemical Properties

IUPAC Name: 2-Chloroethylphosphonic acid
Synonyms of Ethephon (CAS NO.16672-87-0): 2-Chloroethylphosphonic acid ; Chlorethephon ; Acide chloro-2-ethyl-phosphonique ; Flordimex
CAS NO: 16672-87-0
Molecular Formula: C₂H₆ClO₃P
Molecular Weight: 144.49
Molecular Structure:
EINECS: 240-718-3
H bond acceptors: 3
H bond donors: 2
Freely Rotating Bonds: 2
Polar Surface Area: 45.34 Å²
Index of Refraction: 1.478
Molar Refractivity: 26.1 cm³
Molar Volume: 92 cm³
Surface Tension: 59.4 dyne/cm
Density: 1.568 g/cm³
Flash Point: 155.4 °C
Enthalpy of Vaporization: 63.34 kJ/mol
Boiling Point: 333.4 °C at 760 mmHg
Vapour Pressure: 2.62E-05 mmHg at 25°C
Melting Point: 70-72 °C(lit.)
Storage temp: 2-8°C
Sensitive: Hygroscopic
Appearance: white to beige powder
Product Categories of Ethephon (CAS NO.16672-87-0): Plant Regulator;Miscellaneous;PLANT GROWTH REGULATOR

Ethephon Uses

Ethephon (CAS NO.16672-87-0) is often used on wheat, coffee, tobacco, cotton and rice in order to help the plant's fruit reach maturity more quickly. Besides, Ethephon is also used to make all bolls open simultaneously in order to enhance harvest efficiency.

Ethephon Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
guinea pig	LD50	oral	4200mg/kg (4200mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 48(8), Pg. 79, 1983.
mammal (species unspecified)	LD50	unreported	4200mg/kg (4200mg/kg)		"Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 384, 1971.
mouse	LD50	intraperitoneal	> 1500mg/kg (1500mg/kg)		Journal of Agricultural and Food Chemistry. Vol. 39, Pg. 380, 1991.
mouse	LD50	oral	2850mg/kg (2850mg/kg)		Pharmazie. Vol. 32, Pg. 181, 1977.
quail	LD50	oral	1072mg/kg (1072mg/kg)		Pesticide Manual. Vol. 9, Pg. 341, 1991.
rabbit	LD50	oral	5gm/kg (5000mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 48(8), Pg. 79, 1983.
rabbit	LD50	skin	5730mg/kg (5730mg/kg)		"Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.
rat	LC50	inhalation	90mg/m³/4H (90mg/m³)		"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1120, 1986.
rat	LD50	oral	3400mg/kg (3400mg/kg)		Zhurnal Eksperimental'noi i Klinicheskoi Meditsiny. Journal of Experimental and Clinical Medicine. Vol. 20, Pg. 274, 1980.

Ethephon Safety Profile

Safety Information about Ethephon (CAS NO.16672-87-0):
Hazard Codes: Corrosive C
Risk Statements: 20/21-34-52/53
R20/21: Harmful by inhalation and in contact with skin.
R52/53: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R34: Causes burns.
Safety Statements: 26-28-36/37/39-45-61
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S28: After contact with skin, wash immediately with plenty of soap-suds.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 2928 6.1/PG 2
WGK Germany: 2
RTECS: SZ7100000
HazardClass: 6.1
PackingGroup: II

Ethephon Specification

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Handling: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage: Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket.

Product Name

Ethephon

Synthetic route

Ethephon Chemical Properties

Ethephon Uses

Ethephon Toxicity Data With Reference

Ethephon Safety Profile

Ethephon Specification

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