3D Mol Similar

Ethephon

: Iupac Name：2-chloroethylphosphonic acid; CAS No.: 16672-87-0; Molecular Weight：144.494001; Modify Date.: 2022-11-10 22:00; Introduction: 2-Chloroethyl)phosphonic acid (Ethephon) is the most widely used plant growth regulator. Ethephon is often used on wheat, coffee, tobacco, cotton, and rice in order to help the plant's fruit reach maturity more quickly. The toxicity of Ethephon is actually very low, and any Ethephon used on the plant is converted very quickly to ethylene. View more+

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1. Names and Identifiers

: 1.1 Name; Ethephon; 1.2 Synonyms; (2-chloroehtyl)phosphonicacid (2-Chloroethyl)phosphonic acid (2-chloroethyl)-phosphonic acid (2-chloroethyl)-phosphonicaci 2-cepa 2-chloraethyl-phosphonsaeure 2-Chloroethanephosphonic acid 2-Chloroethylenephosphonic acid 2-chloroethyl-phoshonic acid 2-chloroethylphosphonic acid 2-Chloroethylphosphonic acid,Ethephon 2-Chloroethylphosphonicaicd Arvest CEP CEPA cepha EINECS 240-718-3 Ethefon Ethel ethephon (ansi,canada) ETHEPHON(BULK g996 gagro MFCD00002142 Phosphonic acid, (2-chloroethyl)- PLUCK Prep; View all

1.3 CAS No.: 16672-87-0

1.4 CID: 27982

1.5 EINECS(EC#): 240-718-3

1.6 Molecular Formula: C2H6ClO3P (isomer)

1.7 Inchi: InChI=1S/C2H6ClO3P/c3-1-2-7(4,5)6/h1-2H2,(H2,4,5,6)

1.8 InChIkey: UDPGUMQDCGORJQ-UHFFFAOYSA-N

1.9 Canonical Smiles: C(CCl)P(=O)(O)O

1.10 Isomers Smiles: C(CCl)P(=O)(O)O

2. Properties

2.1 Density: 1.568 g/cm³

2.1 Melting point: 65-75℃

2.1 Boiling point: 333.4 °C at 760 mmHg

2.1 Refractive index: 1.479

2.1 Flash Point: 155.4 °C

2.1 Precise Quality: 143.97400

2.1 PSA: 67.34000

2.1 logP: 0.40290

2.1 Appearance: white to beige powder

2.2 Chemical Properties: white to beige powder

2.3 Color/Form: NEEDLES FROM BENZENE
WHITE WAXY SOLID

2.4 Decomposition: Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, and hydrogen chloride. Reaction to alkaline materials causes evolution of ethylene gas. /Boll Buster/

2.5 pKa: 1.88±0.10(Predicted)

2.6 Water Solubility: Very soluble

2.7 Stability: Stable at room temperature in closed containers under normal storage and handling conditions.

2.8 StorageTemp: 2-8°C

3. Use and Manufacturing

3.1 Agricultural Uses: Plant growth regulator: Ethephon is a plant growth regulator used to promotefruit ripening, abscission, flower induction, and other responses.It is registered for use on a number of food, feedand nonfood crops (rubber plants, flax), greenhouse nurserystock, and outdoor residential ornamental plants, but is usedprimarily on cotton. Ethephon is applied to plant foliage byeither ground or aerial equipment. It also may be appliedby hand sprayer to certain home garden vegetables and ornamentals.Use practice limitations include prohibitionsagainst applying ethephon through any type of irrigation system;feeding or grazing livestock in treated areas; and treatingwithin 2 to 60 days of harvest, depending on the crop.

3.2 Definition: ChEBI: A phosphonic acid compound having a 2-chloroethyl substituent attached to the P-atom.

3.3 Environmental Fate: Soil. Degrades rapidly in soil to phosphoric acid, ethylene and chloride ions (Hartleyand Kidd, 1987) and naturally occurring substances (Humburg et al., 1989).Chemical/Physical. In an aqueous solution at pH 3.5, ethepon begins to hydrolyze,releasing ethylene (Windholz et al., 1983).

3.4 Potential Exposure: Ethephon is an organophosphonateplant growth regulator used to promote fruit ripening,abscission, flower induction, and other responses. It is registered for use on a number of food, animal feed and nonfoodcrops (rubber plants, flax), greenhouse nursery stock, andoutdoor residential ornamental plants, but is used primarilyon cotton. Ethephon is applied to plant foliage by eitherground or aerial equipment. It also may be applied by handsprayer to certain home garden vegetables and ornamentals.Use practice limitations include prohibitions against applying ethephon through any type of irrigation system; feedingor grazing livestock in treated areas; and treating within2 to 60 days of harvest, depending on the crop

3.5 Shipping: UN2928 Toxic solids, corrosive, organic, n.o.s.,Hazard Class: 6.1; Labels: 6.1-Poisonous materials,8-Corrosive material, Technical Name Required

3.6 Usage: 2-Chloroethyl)phosphonic acid (Ethephon) is the most widely used plant growth regulator. Ethephon is often used on wheat, coffee, tobacco, cotton, and rice in order to help the plant's fruit reach maturity more quickly. The toxicity of Ethephon is actually very low, and any Ethephon used on the plant is converted very quickly to ethylene.

3.7 Waste Disposal: Destruction by alkali hydrolysis or incineration. Containers must be disposed of properlyby following package label directions or by contacting yourlocal or federal environmental control agency, or by contacting your regional EPA office. Ethephon Preparation Products And Raw materials Raw materials

4. Safety and Handling

4.1 Symbol: GHS05, GHS06, GHS09

4.1 Hazard Codes: C

4.1 Signal Word: Danger

4.1 Risk Statements: R20/21;R34;R52/53

4.1 Safety Statements: S26;S28;S36/37/39;S45;S61

4.1 Packing Group: II

4.1 Other Preventative Measures: SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.

4.2 Hazard Class: 6.1

4.2 Hazard Declaration: H302 + H332-H311-H314-H411

4.2 DisposalMethods: Recommendable methods: Incineration. Peer-review: Large amt should be incinerated in a unit with effluent gas scrubbing. (Peer-review conclusions of an IRPTC expert consultation (May 1985))

4.3 RIDADR: UN 3261

4.3 FirePotential: NONFLAMMABLE

4.4 Safety Profile: Moderately toxic by ingestion. Mddly toxic by skin contact. A plant growth regulator. Caution: Spray formulations are quite acidic, about pH 1 .O. May be irritating to exposed skin and eyes, or if inhaled. When heated to decomposition it emits toxic fumes of Cland POx.

4.5 Caution Statement: P261-P273-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338

4.5 Formulations/Preparations: Ethrel soluble concentrate (240 or 480 g ai/l); Ethrel C ... ; Cerone, Prep, soluble concentrate (480 g/l); Florel, (40 g/l). Mixtures include: Terpal ... soluble concentrate (ethephon + mepiquat chloride).

4.6 Incompatibilities: Hygroscopic. Aqueous solutions arehighly acidic. May cause corrosion if metals, especiallywhen moisture is present. Contact with flammable materialmay cause fire and explosions. Contact with combustible oroxidizable materials may form heat-, shock-, and frictionsensitive explosive mixtures. Static electricity may alsocause explosions. Keep away from all acids, especiallydibasic organic acids, ammonium compounds, antimonysulfide, arsenic trioxide, metal sulfides, powdered metals,calcium aluminum hydride, cyanides, manganese dioxide,phosphorus, selenium, sulfur, thiocyanates, and zinc.

4.7 WGK Germany: 2

4.7 RTECS: SZ7100000

4.7 Protective Equipment and Clothing: MAY BE IRRITATING TO EXPOSED SKIN & EYES, OR IF INHALED.

4.8 Reactivities and Incompatibilities: Incompatible with alkaline materials and with solutions containing metal ions, eg iron, zinc, copper, and manganese-containing fungicides.

4.9 Skin, Eye, and Respiratory Irritations: MAY BE IRRITATING TO EXPOSED SKIN & EYES, OR IF INHALED.

4.10 Safety: Safety Information about?Ethephon (CAS NO.16672-87-0):
Hazard Codes:?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; View all

4.11 Sensitive: Hygroscopic

4.12 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.

4.13 Toxicity

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.

View all

5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 4

Acute toxicity - Dermal, Category 3

Skin corrosion, Category 1C

Acute toxicity - Inhalation, Category 4

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 2

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word	Danger
Hazard statement(s)	H302 Harmful if swallowed H311 Toxic in contact with skin H314 Causes severe skin burns and eye damage H332 Harmful if inhaled H411 Toxic to aquatic life with long lasting effects
Precautionary statement(s)
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment.
Response	P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/\u2026if you feel unwell. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P312 Call a POISON CENTER/doctor/\u2026if you feel unwell. P321 Specific treatment (see ... on this label). P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower]. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P310 Immediately call a POISON CENTER/doctor/\u2026 P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P391 Collect spillage.
Storage	P405 Store locked up.
Disposal	P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

View all

6. NMR Spectrum

Mass spectrum (electron ionization)

7. Synthesis Route

16672-87-0Total: 15 Synthesis Route

107-06-2 168 Suppliers

16672-87-0 273 Suppliers

Literatures:
Australian Journal of Chemistry, , vol. 16, p. 596 - 608
Yield: null

6294-34-4 9 Suppliers

16672-87-0 273 Suppliers

Literatures:
Bulletin de la Societe Chimique de France, , vol. 134, # 5 p. 463 - 470
Yield: ~9%

6294-34-4 9 Suppliers

16672-87-0 273 Suppliers

107-06-2 168 Suppliers

Literatures:
Asian Journal of Chemistry, , vol. 25, # 11 p. 6463 - 6464
Yield: null

View all

8. Precursor and Product

precursor:

6294-34-4

25131-74-2

39118-50-8

20135-59-5

75-00-3

75-01-4

13598-36-2

107-06-2

88093-47-4

26119-41-5

67344-36-9

16456-56-7

1809-19-4

1118607-72-9

10419-79-1

762-04-9

View all

product :

112013-36-2

22987-21-9

55215-15-1

7582-45-8

72696-92-5

2041-14-7

1746-03-8

14596-55-5

54509-73-8

9. Other Information

9.0 Trade name: AMCHEM? 68-250; ARVEST?; BASE? 250; BOLL’D?; BROMEFLOR?; BROMOFLOR?; CAMPOSAN?; CEPHA?; CEPHA? 10LS; CERONE?; CHIPCO? FLOREL PRO; ETHEPON?; ETHEL?; ETHEVERSE?; ETHREL?; FINISH?; FLORDIMEX?; FLOREL?; G-996?; KAMPOSAN?; PREP?; ROLLFRUCT?; TERPAL? (with mepiquat chloride); T-EXTRA?; TOMATHREL?

9.1 Merck: 14,3732

9.2 BRN: 1751208

9.3 Chemical Properties: white to beige powder

9.4 Chemical Properties: Ethephon is a white to tan powder. Commercial product is a white, waxy solid. Commercial products may be available as aqueous solutions or soluble concentrates.

9.5 Uses: 2-Chloroethyl)phosphonic acid (Ethephon) is the most widely used plant growth regulator. Ethephon is often used on wheat, coffee, tobacco, cotton, and rice in order to help the plant's fruit reach mat urity more quickly. The toxicity of Ethephon is actually very low, and any Ethephon used on the plant is converted very quickly to ethylene.

9.6 Definition: ChEBI: A phosphonic acid compound having a 2-chloroethyl substituent attached to the P-atom.

9.7 Uses: Plant growth regulator.

9.8 Uses: Accelerates the preharvest ripening of fruits and vegetables.

9.9 Agricultural Uses: Plant growth regulator: Ethephon is a plant growth regulator used to promote fruit ripening, abscission, flower induction, and other responses. It is registered for use on a number of food, feed and nonfood crops (rubber plants, flax), greenhouse nursery stock, and outdoor residential ornamental plants, but is used primarily on cotton. Ethephon is applied to plant foliage by either ground or aerial equipment. It also may be applied by hand sprayer to certain home garden vegetables and ornamentals. Use practice limitations include prohibitions against applying ethephon through any type of irrigation system; feeding or grazing livestock in treated areas; and treating within 2 to 60 days of harvest, depending on the crop.

9.10 Trade name: AMCHEM® 68-250; ARVEST®; BASE® 250; BOLL’D®; BROMEFLOR®; BROMOFLOR®; CAMPOSAN®; CEPHA®; CEPHA® 10LS; CERONE®; CHIPCO® FLOREL PRO; ETHEPON®; ETHEL®; ETHEVERSE®; ETHREL®; FINISH®; FLORDIMEX®; FLOREL®; G-996®; KAMPOSAN®; PREP®; ROLLFRUCT®; TERPAL® (with mepiquat chloride); T-EXTRA®; TOMATHREL®

9.11 Safety Profile: Moderately toxic by ingestion. Mddly toxic by skin contact. A plant growth regulator. Caution: Spray formulations are quite acidic, about pH 1 .O. May be irritating to exposed skin and eyes, or if inhaled. When heated to decomposition it emits toxic fumes of Cl and POx.

9.12 Potential Exposure: Ethephon is an organophosphonate plant growth regulator used to promote fruit ripening, abscission, flower induction, and other responses. It is registered for use on a number of food, animal feed and nonfood crops (rubber plants, flax), greenhouse nursery stock, and outdoor residential ornamental plants, but is used primarily on cotton. Ethephon is applied to plant foliage by either ground or aerial equipment. It also may be applied by hand sprayer to certain home garden vegetables and ornamentals. Use practice limitations include prohibitions against applying ethephon through any type of irrigation system; feeding or grazing livestock in treated areas; and treating within 2 to 60 days of harvest, depending on the crop

9.13 First aid: Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy. Cigarette smoking may exacerbate pulmonary injury and should be discouraged for at least 72 hours following exposure; View all

9.14 Environmental Fate: Soil. Degrades rapidly in soil to phosphoric acid, ethylene and chloride ions (Hartley and Kidd, 1987) and naturally occurring substances (Humburg et al., 1989).
Chemical/Physical. In an aqueous solution at pH 3.5, ethepon begins to hydrolyze, releasing ethylene (Windholz et al., 1983).

9.15 Shipping: UN2928 Toxic solids, corrosive, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, 8-Corrosive material, Technical Name Required

9.16 Incompatibilities: Hygroscopic. Aqueous solutions are highly acidic. May cause corrosion if metals, especially when moisture is present. Contact with flammable material may cause fire and explosions. Contact with combustible or oxidizable materials may form heat-, shock-, and frictionsensitive explosive mixtures. Static electricity may also cause explosions. Keep away from all acids, especially dibasic organic acids, ammonium compounds, antimony sulfide, arsenic trioxide, metal sulfides, powdered metals, calcium aluminum hydride, cyanides, manganese dioxide, phosphorus, selenium, sulfur, thiocyanates, and zinc.

9.17 Waste Disposal: Destruction by alkali hydrolysis or incineration. Containers must be disposed of properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

10. Computational chemical data

Molecular Weight: 144.494001g/mol
Molecular Formula: C₂H₆ClO₃P
Compound Is Canonicalized: True
XLogP3-AA: -1
Exact Mass: 143.9743087
Monoisotopic Mass: 143.9743087
Complexity: 86.9
Rotatable Bond Count: 2
Hydrogen Bond Donor Count: 2
Hydrogen Bond Acceptor Count: 3
Topological Polar Surface Area: 57.5
Heavy Atom Count: 7
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Isotope Atom Count: 0
Covalently-Bonded Unit Count: 1
CACTVS Substructure Key Fingerprint: AAADcYBAMAIEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAoACCAAAAOIAEAAAAAAABAAQAAAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

11. Question & Answer

What are the applications of Ethephon in pharmaceuticals? Aug 08 2023
Have you ever wondered about the applications of Ethephon in the pharmaceutical industry? Ethephon is a commonly used plant growth regulator that is also utilized in the preparation of certain medicat..
Why is Ethephon Used as a Ripening Agent? Dec 20 2022
Ethephon is the most common ripening agent, releasing the gas "ethylene" in warm and humid environments, which is the main "culprit" behind food ripening. Ethylene itself is non-toxic and is naturally..
What are the key considerations for using Ethephon in cotton fields? Sep 04 2021
1. Determine the suitable range of cotton fields for using Ethephon. For cotton fields with late maturity and strong late development, with more than 80% of cotton bolls reaching the boll-opening stag..
Does Ethephon have a positive effect on plant growth? Jul 21 2021
Many people rely on farming for their livelihood, so the growth of crops determines the harvest of the following year. There are certain techniques to farming, and it is important to consider the sea..

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