CAS No.16672-87-0,Ethephon Suppliers

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Basic Information

Molecular Structure:
CAS No.:	16672-87-0
Name:	Ethephon
Article Data:	30

Formula:	C₂H₆ClO₃P
Molecular Weight:	144.495
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;
EINECS:	240-718-3
Density:	1.568 g/cm³
Melting Point:	70-72 °C(lit.)
Boiling Point:	333.4 °C at 760 mmHg
Flash Point:	155.4 °C
Solubility:	Completely soluble in water
Appearance:	white to beige powder
Hazard Symbols:	C
Risk Codes:	20/21-34-52/53
Safety:	26-28-36/37/39-45-61
Transport Information:	UN 2928 6.1/PG 2
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

Raw Materials

75-00-3

75-01-4

107-06-2

Downstream Products

Total:166 Page 1 of 5 1 2 3 4 5 Next>>

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Chemistry

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

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.

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.

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

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.