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MSDS  : Phosphonic acid, (2-chloroethyl)-
CAS  : 16672-87-0
SYNONYMS  : * Acide chloro-2-ethyl-phosphonique * Amchem 68-250 * Bromoflor * Camposan * CEP * Cepha * 2-Cepa * Cepha 10LS * Cerone * Chipco Florel PRO * 2-Chloraethyl-phosphonsaeure * Chlorethephon * 2-Chloroethanephosphonic acid * 2-Chloroethylphosphonic acid * Ethefon * Ethel * Ethephon * Ethepon * Etheverse * Ethrel * Flordimex * Florel * G 996 * Gagro * Kamposan * Roll-Fruct * Tomathrel
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : SZ7100000
CHEMICAL NAME : Phosphonic acid, (2-chloroethyl)-
CAS REGISTRY NUMBER : 16672-87-0
OTHER CAS REGISTRY NOS. : 73020-07-2
82375-49-3
BEILSTEIN REFERENCE NO. : 1751208
REFERENCE : 3-04-00-01780 (Beilstein Handbook Reference)
LAST UPDATED : 199701
DATA ITEMS CITED : 12
MOLECULAR FORMULA : C2-H6-Cl-O3-P
MOLECULAR WEIGHT : 144.50
WISWESSER LINE NOTATION : QPQO&2G
COMPOUND DESCRIPTOR : Agricultural Chemical
SYNONYMS/TRADE NAMES :
* Acide chloro-2-ethyl-phosphonique
* Amchem 68-250
* Bromoflor
* Camposan
* CEP
* Cepha
* 2-Cepa
* Cepha 10LS
* Cerone
* Chipco Florel PRO
* 2-Chloraethyl-phosphonsaeure
* Chlorethephon
* 2-Chloroethanephosphonic acid
* 2-Chloroethylphosphonic acid
* Ethefon
* Ethel
* Ethephon
* Ethepon
* Etheverse
* Ethrel
* Flordimex
* Florel
* G 996
* Gagro
* Kamposan
* Roll-Fruct
* Tomathrel

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 3400 mg/kg
TOXIC EFFECTS :
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - other Enzymes
REFERENCE :
ZKMAAX Zhurnal Eksperimental'noi i Klinicheskoi Meditsiny. Journal of
Experimental and Clinical Medicine. (V/O Mezhdunarodnaya Kniga, 113095
Moscow, USSR) V.2- 1962- Volume(issue)/page/year: 20,274,1980

TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 90 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1120,1986

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 2850 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PHARAT Pharmazie. (VEB Verlag Volk und Gesundheit, Neue Gruenstr. 18,
Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946- Volume(issue)/page/year:
32,181,1977

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc.,
Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC
20037) V.1- 1953- Volume(issue)/page/year: 39,380,1991

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 5 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - muscle contraction or spasticity
Lungs, Thorax, or Respiration - other changes
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 48(8),79,1983

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 5730 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel,"
Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year:
-,-,1971/1976

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 4200 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - muscle contraction or spasticity
Lungs, Thorax, or Respiration - other changes
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 48(8),79,1983

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - quail
DOSE/DURATION : 1072 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport
Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year:
9,341,1991

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Mammal - species unspecified
DOSE/DURATION : 4200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag
New York, Inc., 1971 Volume(issue)/page/year: -,384,1971

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 70 gm/kg/8W-I
TOXIC EFFECTS :
Brain and Coverings - recordings from specific areas of CNS
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - true cholinesterase
Related to Chronic Data - death
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 48(8),79,1983

*** U.S. STANDARDS AND REGULATIONS ***

EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
FEREAC Federal Register. (U.S. Government Printing Office, Supt. of
Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year:
54,7740,1989

*** STATUS IN U.S. ***

On EPA IRIS database


*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
Phosphonic acid, benzyl-, dibutyl ester 3762-27-4
Phosphonic acid, benzyl-, diethyl ester 1080-32-6
Phosphonic acid, benzyl-, ethyl p-nitrophenyl ester 3015-70-1
Phosphonic acid,(2-(bis(1-aziridinyl)phosphinothioyl)ethyl)-, dibutylester 2275-49-2
Phosphonic acid,(2-(bis(1-aziridinyl)phosphinothioyl)ethyl)-, diethylester 2611-84-9
Phosphonic acid,(2-(bis(1-aziridinyl)phosphinyl)ethyl)-, dibutylester 2611-85-0
Phosphonic acid,(2-(bis(1-aziridinyl)phosphinyl)ethyl)-, diethylester 2393-09-1
Phosphonic acid,((3-(bis(2-chloroethyl)amino)-4-methylphenyl)hydroxymethylene)bis- 106871-13-0
Phosphonic acid,(4-(4-(bis(2-chloroethyl)amino)phenyl)-1-hydroxybutylidene)bis- 104233-81-0
Phosphonic acid, bis(2-ethylhexyl) ester 3658-48-8
Phosphine oxide,diphenyl((alpha-phenyl-alpha-((2-morpholino)ethyl))benzyl)-, hydrochloride 51713-29-2
Phosphonic acid, ((bis(2-hydroxyethyl)amino)methyl)-,diethyl ester 2781-11-5
Phosphonic acid, (2-bromo-3-chloropropyl)-,bis(2-bromo-1-(chloromethyl)ethyl) ester 95906-07-3
Phosphonic acid, (2-bromoethyl)-, dibutyl ester 74038-35-0
Phosphonic acid, (bromo(hydroxyimino)methyl)-,bis(1-methylethyl) ester 127933-58-8
Phosphonic acid, (m-bromophenyl)- 6959-02-0
Phosphonic acid, (o-bromophenyl)- 7506-82-3
Phosphonic acid, (p-bromophenyl)- 16839-13-7
Phosphonic acid, 1-(butylamino)cyclohexyl-, dibutylester 51249-05-9
Phosphonic acid, (m-butylaminophenyl)- 102880-19-3
Phosphonic acid, (alpha-butylbenzyl)-, diethyl ester 33973-56-7
Phosphine oxide,diphenyl((alpha-phenyl-alpha-((2-piperidino)ethyl))benzyl)-, hydrochloride 51713-28-1
Phosphonic acid, butyl-, butyl p-nitrophenyl ester 71002-68-1
Phosphonic acid, butyl-, dibutyl ester 78-46-6
Phosphonic acid, butyl-, ethyl p-nitrophenyl ester 3015-74-5
Phosphonic acid, butyl-, monoethyl ester, anhydridewith diethyl phosphate 63886-51-1
Phosphonic acid, (p-chlorobenzyl)-, dibutyl ester 74038-36-1
Phosphonic acid, 4-chlorobutyl-, ethyl p-nitrophenylester 3015-81-4
Phosphonic acid, (2-chloroethyl)- 16672-87-0
Phosphonic acid, (2-chloroethyl)-, diethyl ester 10419-79-1
Phosphonic acid, (2-chloroethyl)-, monoethyl ester 23510-39-6
Phosphonic acid,(1-((((2-chloroethyl)nitrosoamino)carbonyl)amino)ethyl)-, diethyl ester 92118-27-9
Phosphine oxide,diphenyl((alpha-phenyl-alpha-((2-pyrrolidinyl)ethyl))benzyl)-, hydrochloride 51749-95-2
Phosphonic acid, (2-chloroethyl)-, compd. with1,3,5,7-tetraazatricyclo(3.3.1.1(3,7))decane (1:1) 134576-33-3
Phosphonic acid, 6-chlorohexyl-, ethyl p-nitrophenylester 3015-82-5
Phosphonic acid, (chloro(hydroxyimino)methyl)-,bis(1-methylethyl) ester 127933-57-7
Phosphonic acid, chloromethyl-, cyclicmethylene-o-phenylene ester 5853-71-4
Phosphonic acid, (2-chloro-1-methylethyl)-,bis(2-chloro-1-methylethyl) ester 7316-55-4
Phosphonic acid, (2-chloro-4-nitrophenyl)- 114792-24-4
Phosphonic acid, (2-chloro-5-nitro-4-pyrimidinyl)-,dimethyl ester 72900-86-8
Phosphonic acid, p-(m-chlorophenoxy)phenyl-,bis(alpha,alpha,alpha-trifluoro-m-tolyl) ester 74038-37-2
Phosphonic acid, (m-chlorophenyl)- 5431-34-5
Phosphonic acid, (o-chlorophenyl)- 5431-19-6
Phosphine oxide, bis(1-aziridinyl)vinyl- 2275-41-4
Phosphine oxide,diphenyl((alpha-(2-piperidino)ethyl)benzyl)- 51713-16-7
Phosphonic acid, (p-chlorophenyl)- 5431-35-6
Phosphonic acid, (p-chlorophenyl)-, diethyl ester 2373-43-5
Phosphonic acid,(3-(4-chlorophenyl)-4,5-dihydro-5-isoxazolyl)- 125674-56-8
Phosphonic acid,((3-(4-chlorophenyl)-4,5-dihydro-5-isoxazolyl)methyl)- 125674-57-9
Phosphonic acid,(4-((p-chlorophenyl)hydroxyphenylmethyl)piperidino)-,diethyl ester 125674-57-9

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