ChemicalBook--->CAS DataBase List--->18691-97-9

18691-97-9

18691-97-9 Structure

18691-97-9 Structure
IdentificationBack Directory
[Name]

Methabenzthiazuron
[CAS]

18691-97-9
[Synonyms]

s25128
B-74283
BAY-5653
Trubunil
bay74283
TRIBUNIL
bayer5633
TRIBUNIL(R)
preparation5633
metabenzthiazuron
methbenzthiazuron
METHABENZTHIAZURON
METHABENTHIAZURONE
methibenzuron (wssa)
methabenzthiazuron solution
methabenzthiazuron (iso,bsi)
METHABENZTHIAZURON, 100MG,NEAT
METHABENZTHIAZURON PESTANAL
N-2-Benzothiazolyl-N,N'-dimethylurea
1,3-dimethyl-3-(2-benzothiazolyl)urea
1-(2-BENZOTHIAZOLYL)-1,3-DIMETHYLUREA
1-(2-benzothiazolyl)-1,3-dimethyl-ure
Urea, N-2-benzothiazolyl-N,N-dimethyl-
1-(benzothiazol-2-yl)-1,3-dimethylurea
Methabenzthiazuron 100mg [18691-97-9]
N-(Benzothiazol-2-yl)-N,N'-dimethylurea
METHABENZTHIAZURON PESTANAL(1(BENZOTHIA&
1-(benzo[d]thiazol-2-yl)-1,3-diMethylurea
1-(1,3-BENZOTHIAZOL-2-YL)-1,3-DIMETHYLUREA
1,3-dimethyl-3-(2-benzthiazolyl)-harnstoff
methyl-n'-methyl-n'-(2-benzothiazolyl)urea
n-methyl-n’-methyl-n’-(2-benzothiazolyl)urea
Urea, N-2-benzothiazolyl-N,N-dimethyl- (9CI)
1-(1,3-benzothiazol-2-yl)1,3-dimethylurea,methabenzthiazuron (ISO)
methabenzthiazuron (ISO) 1-(1,3-benzothiazol-2-yl)1,3-dimethylurea
[EINECS(EC#)]

242-505-0
[Molecular Formula]

C10H11N3OS
[MDL Number]

MFCD00055498
[MOL File]

18691-97-9.mol
[Molecular Weight]

221.28
Chemical PropertiesBack Directory
[Melting point ]

119-120.5°
[density ]

1.2527 (rough estimate)
[refractive index ]

1.6740 (estimate)
[Fp ]

11 °C
[storage temp. ]

APPROX 4°C
[solubility ]

DMSO, Methanol (Sparingly)
[form ]

neat
[pka]

12.83±0.46(Predicted)
[color ]

Off-White to Pale Beige
[Water Solubility ]

59mg/L(20 ºC)
[Merck ]

14,5939
[BRN ]

196633
[EPA Substance Registry System]

Urea, N-2-benzothiazolyl-N,N'- dimethyl-(18691-97-9)
Hazard InformationBack Directory
[Uses]

Methabenzthiazuron is a benzothiazole and urea based herbicide used to control a spectrum of broad-leaved weeds and grasses crops. Methabenzthiazuron works via the inhibition of photosynthetic electro n transport chain.
[Uses]

Selective herbicide.
[Chemical Properties]

White crystalline solid; melts at 120°C(248°F); insoluble in water [~59 ppm at20°C (68°F)], soluble in organic solvents.
[Definition]

ChEBI: Methabenzthiazuron is a member of benzothiazoles.
[Health Hazard]

Gupta and Singh (1985) investigated thetoxicity of tribunil in calves. Animals treatedwith 500 mg/kg orally developed toxicityin 36–48 hours. The symptoms includedincrease in body temperature, depression,and a progressive decrease in respiration rateand pulse rate. Necropsy findings in animalsthat died showed congestion of the lungs.Other organs affected were liver, kidney,urinary bladder, spleen, heart, and brain.A 75-mg/kg dose produced toxicity after2–3 weeks.
[Metabolic pathway]

When methabenzthiazuron is presowing applied to the soil of pea fields, three degradation products are detected as (2-benzothiazoyl)urea, 2- (methylamino)benzothiazole and 2- aminobenzothiazole. The latter two amines represent a majority of the soil bound residues.
Safety DataBack Directory
[Hazard Codes ]

N,T,F
[Risk Statements ]

50/53-39/23/24/25-23/24/25-11
[Safety Statements ]

60-61-45-16-7
[RIDADR ]

UN 3077 9/PG 3
[WGK Germany ]

2
[RTECS ]

YR8980000
[HazardClass ]

9
[PackingGroup ]

III
[HS Code ]

29342000
[Toxicity]

LD50 in mice (mg/kg): >1000 orally; in male, female rats (mg/kg): >2500, >2500 orally; 540, 315 i.p. (Kimmerle, Lser)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Carbon disulfide-->Sulfuryl chloride-->Sodium formate-->METHYLISOCYANATE 1 X 500MG NEAT-->Methylaminoformyl chloride-->N-METHYLTHIOUREA-->N-methylbenzothiazol-2-amine-->Carbodithioic acid
Spectrum DetailBack Directory
[Spectrum Detail]

Methabenzthiazuron(18691-97-9)MS
Methabenzthiazuron(18691-97-9)1HNMR
Methabenzthiazuron(18691-97-9)13CNMR
Methabenzthiazuron(18691-97-9)IR1
Methabenzthiazuron(18691-97-9)IR2
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