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MSDS  : 1,3,4-Thiadiazole, 2-(N,N'-dimethylureido)-5-trifluoromethyl-
CAS  : 25366-23-8
SYNONYMS  : * N,N'-Dimethyl-N-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea * 2-(N,N'-Dimethylureido)-5-trifluoromethyl-1,3,4-thiadiazole * 1,3-Dimethyl-1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea * Dmttu * Erbotan * GS 29296 * Thiazafluron * Thiazfluron
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : XI3760000
CHEMICAL NAME : 1,3,4-Thiadiazole,
2-(N,N'-dimethylureido)-5-trifluoromethyl-
CAS REGISTRY NUMBER : 25366-23-8
BEILSTEIN REFERENCE NO. : 0806900
LAST UPDATED : 199612
DATA ITEMS CITED : 6
MOLECULAR FORMULA : C6-H7-F3-N4-O-S
MOLECULAR WEIGHT : 240.23
WISWESSER LINE NOTATION : T5NN DSJ CXFFF EMVN1&1
COMPOUND DESCRIPTOR : Agricultural Chemical
Reproductive Effector
SYNONYMS/TRADE NAMES :
* N,N'-Dimethyl-N-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea
* 2-(N,N'-Dimethylureido)-5-trifluoromethyl-1,3,4-thiadiazole
* 1,3-Dimethyl-1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea
* Dmttu
* Erbotan
* GS 29296
* Thiazafluron
* Thiazfluron

*** 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 : 278 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:
9,811,1991

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >2150 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:
9,811,1991

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 630 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JFAN "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd,
eds., Nottingham, Royal Soc. of Chemistry, 1983-86 Volume(issue)/page/year:
A392,1983

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 3276 mg/kg/13W-C
TOXIC EFFECTS :
Brain and Coverings - recordings from specific areas of CNS
Related to Chronic Data - death
Related to Chronic Data - changes in ovarian weight
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of
Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
Japan) V.1- 1976- Volume(issue)/page/year: 18,S225,1993

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 100 mg/kg
SEX/DURATION : female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Effects on Embryo or Fetus - other effects to embryo
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of
Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
Japan) V.1- 1976- Volume(issue)/page/year: 18,S225,1993

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 200 mg/kg
SEX/DURATION : female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of
Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170,
Japan) V.1- 1976- Volume(issue)/page/year: 18,S225,1993

*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
1,2,5-Thiadiazole-3,4-diamine,N-((2-(((2-((dimethylamino)methyl)-1H-benzimidazol-5-yl) methyl)thio)ethyl)-, 1-oxide 92715-97-4
2-Thenylamine, alpha-(m-fluorobenzyl)-, hydrochloride 80154-78-5
1,2,5-Thiadiazole-3,4-diamine,N-((2-(((2-((dimethylamino)methyl)-1H-benzimidazol-5-yl) methyl)thio)ethyl)-, 1,1-dioxide 92715-98-5
1,2,5-Thiadiazole-3,4-diamine,N-(4-((4-((dimethylamino)methyl)-2-pyridinyl)oxy)-2-butenyl)-, 1-oxide, (Z)- 103922-41-4
1,2,5-Thiadiazole-3,4-diamine,N-(4-((4-((dimethylamino)methyl)-2-pyridinyl)oxy)-2-butenyl)- N'-methyl-, 1-oxide, (Z)- 103922-42-5
1,2,5-Thiadiazole-3,4-diamine,N-(4-((4-(1-piperidinylmethyl)-2-pyridinyl)oxy)-2-butenyl)-, 1-oxide, (E)- 103922-40-3
1,3,4-Thiadiazole, 2,5-diamino- 2937-81-7
1,2,4-Thiadiazole, 3,5-diamino-, p-toluenesulfonate 5380-27-8
1,3,4-Thiadiazole,2,3-dihydro-2-(oxiranylmethoxy)-2,3,5-triphenyl- 160455-73-2
1,2,4-Thiadiazole-3,5(2H,4H)-diimine, N(sup 3),N(sup5)-bis(cyclohexyl)-2,4-dimethyl- 118489-27-3
1,2,4-Thiadiazole-3,5(2H,4H)-diimine, N(sup 3),N(sup5)-bis(3-methylphenyl)-2,4-dimethyl- 118489-23-9
1,2,4-Thiadiazole-3,5(2H,4H)-diimine, N(sup 3),N(sup5)-bis(4-methylphenyl)-2,4-dimethyl- 64958-77-6
2-Thenylamine, alpha-(p-fluorobenzyl)-, hydrochloride 80154-80-9
1,3,4-Thiadiazole, 2-(dimethylamino)-, hydrobromide 63503-45-7
1,3,4-Thiadiazole, 2-(dimethylamino)-5-methyl-,hydrochloride 63503-47-9
1,3,4-Thiadiazole, 2-(dimethylamino)-5-(methylthio)- 51412-78-3
1,3,4-Thiadiazole,2-(N,N'-dimethylureido)-5-trifluoromethyl- 25366-23-8
1,2,4-Thiadiazole, 3,5-diphenyl- 4115-15-5
1,3,4-Thiadiazole, 2,5-diphenyl- 1456-21-9
1,3,4-Thiadiazole-2,5-dithiol 1072-71-5
1,2,4-Thiadiazole, 3,5-dithio-, monopolymer 1072-71-5
1,2,4-Thiadiazole, 5-ethoxy-3-(trichloromethyl)- 2593-15-9
1,3,4-Thiadiazole, 2-ethylamino- 13275-68-8
2-Thenylamine, alpha-(m-fluorobenzyl)-N-isopropyl-,hydrochloride 80154-79-6
1,3,4-Thiadiazole, 2,2'-(methylenediimino)bis- 26907-37-9
1,3,4-Thiadiazole, 5-methyl-2-(2-oxazolin-2-ylamino)- 102367-72-6
1,3,4-Thiadiazole, 2-methyl-5-phenyl- 1456-72-0
1,2,4-Thiadiazole, 3-methyl-5-(phenylsulfonyl)- 21735-06-8
1,2,4-Thiadiazole, 3-methyl-5-(p-tolylsulfonyl)- 20064-41-9
1,3,4-Thiadiazole, 5-phenyl- 4291-14-9
1,3,4-Thiadiazole-2-sulfonamide, 5-amino-, monosodiumsalt 72296-05-0
1,3,4-Thiadiazole-2-sulfonamide,5-(((4-chlorophenyl)sulfonyl)amino)- 13463-26-8
1,3,4-Thiadiazole-2-sulfonamide, 5-phenyl- 63886-81-7
1,3,4-Thiadiazole-2-sulfonamide,5-((phenylsulfonyl)amino)- 3368-13-6
2-Thenylamine, alpha-(p-fluorobenzyl)-N-isopropyl-,hydrochloride 80154-82-1
1,3,4-Thiadiazole-2-thiol, 5-amino- 2349-67-9
1,2,4-Thiadiazole-3-thiol, 5-amino-, hydrochloride 63906-72-9
1,3,4-Thiadiazole-2-thiol, 5-amino-, hydrochloride 59909-21-6
1,3,4-Thiadiazole-2-thiol, 5-dimethylamino-,hydrochloride 63503-49-1
1,3,4-Thiadiazole-2-thiol, 5-(methylamino)-,hydrochloride 63503-51-5
1,3,4-Thiadiazole-2-thiol, 5-morpholino-,hydrochloride 63503-50-4
1,3,4-Thiadiazole-2-thiol, 5-phenyl- 5585-19-3
1,3,4-Thiadiazole-2(3H)-thione, 5-anilino- 10253-83-5
2H-1,3,4-Thiadiazole-2-thione, 5-mercapto-3-phenyl- 17654-88-5
1,3,4-Thiadiazole-2(3H)-thione,5,5'-(methylenediimino)bis- 79319-85-0

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