methibenzuron

Suppliers

Names

[ CAS No. ]:
18691-97-9

[ Name ]:
methibenzuron

[Synonym ]:
Methabenzthiazuron [BSI:ISO]
1-(benzothiazol-2-yl)-1,3-dimethylurea
Methbenzthiazuron
Metabenzthiazuron
N-2-benzothiazolyl-N,N’-dimethylurea
Methabenzthiazuron
N-benzthiazolyl-N-methyl-N'-methyl-urea
3-(benzthiazol-2-yl)-1,3-dimethyl-urea
TRIBUNIL
MFCD00055498
Preparation 5633
N-(benzothiazol-2-yl)-N,N'-dimethylurea
1-benzothiazol-2-yl-1,3-dimethylurea
Caswell No. 081B
1-(1,3-Benzothiazol-2-yl)-1,3-dimethylurea
Urea, N-2-benzothiazolyl-N,N'-dimethyl-
1-(2-benzthiazolyl)-1,3-dimethylurea
methibenzuron
N-1,3-benzothiazol-2-yl-N,N’-dimethylurea
EINECS 242-505-0
Bayer 5633

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Melting Point ]:
119-120.5°

[ Molecular Formula ]:
C10H11N3OS

[ Molecular Weight ]:
221.279

[ Flash Point ]:
11ºC

[ Exact Mass ]:
221.062286

[ PSA ]:
73.47000

[ LogP ]:
1.63

[ Index of Refraction ]:
1.682

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YR8980000
CHEMICAL NAME :
Urea, 1-(2-benzothiazolyl)-1,3-dimethyl-
CAS REGISTRY NUMBER :
18691-97-9
BEILSTEIN REFERENCE NO. :
0196633
LAST UPDATED :
199612
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C10-H11-N3-O-S
MOLECULAR WEIGHT :
221.30
WISWESSER LINE NOTATION :
T56 BN DSJ CN1&VM1

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 :
>2500 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: 9,561,1991
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>500 mg/m3/4H
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: A263,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>500 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: A263,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
315 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - antipsychotic
REFERENCE :
PFZNAQ Pflanzenschutz-Nachricten. (Farbenfabriken Bayer GmbH, Pflanzenschutz - Abteilung, Leverkusen, Fed. Rep. Ger.) V.15- 1962- Volume(issue)/page/year: 22,351,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/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: 9,561,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>1 gm/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: 9,561,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
>1 gm/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: A263,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>2500 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: A263,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C309,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
2500 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: -,227,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Bird - domestic
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C309,1991

Safety Information

[ Symbol ]:

GHS09

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H410

[ Precautionary Statements ]:
P273-P501

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;Gloves

[ Hazard Codes ]:
N,T,F

[ Risk Phrases ]:
R50/53

[ Safety Phrases ]:
S60

[ RIDADR ]:
UN 3077 9/PG 3

[ RTECS ]:
YR8980000

[ Packaging Group ]:
III

[ HS Code ]:
2934200017

Synthetic Route

Precursor & DownStream

Precursor

  • N-methylbenzothiazol-2-amine
  • 1,3-Dimethylurea
  • Methylisocyanate 1 x 500mg neat

DownStream

Customs

[ HS Code ]: 2934200017

[ Summary ]:
2934200017 1-(benzo[d]thiazol-2-yl)-1,3-dimethylurea。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

Articles

[Effect of post-emergence application of two herbicides to winter wheat on the soil microflora (author's transl)].

Zentralbl. Bakteriol. Naturwiss. 134(7) , 573-86, (1979)

In a field experiment the herbicides U 46 PD-Fluid (dichlorprop salt) and Tribunil (methabenzthiazuron) were applied in April 1976 post-emergence to winter wheat cultivated in 3 different soils. After...

[Possibilities and limits of studies with C14-labeled herbicides for predicting the tendency of pesticides to wash out into the soil].

Schriftenr. Ver. Wasser. Boden. Lufthyg. 79 , 107-27; discussion 151-8, (1989)

Plant experiments on the bioavailability of unextracted [carbonyl-14C]methabenzthiazuron residues from soil.

J. Agric. Food Chem. 28(1) , 122-5, (1980)


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