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Substance Name: Tebuthiuron [ANSI:BSI:ISO]
RN: 34014-18-1
UNII: E5OX6GM11E
InChIKey: HBPDKDSFLXWOAE-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Herbicide

Molecular Formula

  • C9-H16-N4-O-S

Molecular Weight

  • 228.3184
 

Names and Synonyms

Results Name

  • Tebuthiuron [ANSI:BSI:ISO]

Name of Substance

  • Tebuthiuron
  • Tebuthiuron [ANSI:BSI:ISO]

Synonyms

  • 1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea
  • 1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-3-dimethylharnstoff
  • 1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-3-dimethylharnstoff [German]
  • BRN 0527479
  • Brulan
  • Brush bullet
  • Caswell No. 366AA
  • EINECS 251-793-7
  • EL-103
  • EPA Pesticide Chemical Code 105501
  • Graslan
  • Graslan 250 brush bullets
  • HSDB 6863
  • N-(5-(1,1-Dimethylaethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylharnstoff
  • N-(5-(1,1-Dimethylaethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylharnstoff [German]
  • N-(5-(1,1-Dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea
  • Perflan
  • Prefmid
  • SHA 105501
  • Spike
  • Spike 80W
  • Tebulan
  • Tebuthiuron
  • Tiurolan
  • UNII-E5OX6GM11E
  • Urea, 2-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethyl- (8CI)
  • Urea, N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethyl- (9CI)

Systematic Names

  • Tebuthiuron
  • Urea, 1-(5-(t-butyl)-1,3,4-thiadiazol-2-yl)-1,3-dimethyl-
  • Urea, N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethyl-

Superlist Names

  • N-(5-(1,1-Dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea
  • Tebuthiuron

Registry Numbers

CAS Registry Number

  • 34014-18-1

FDA UNII

  • E5OX6GM11E

System Generated Number

  • 0034014181

Structure Descriptors

InChI

1S/C9H16N4OS/c1-9(2,3)6-11-12-8(15-6)13(5)7(14)10-4/h1-5H3,(H,10,14)

InChIKey

HBPDKDSFLXWOAE-UHFFFAOYSA-N

Smiles

CNC(=O)N(C)c1nnc(s1)C(C)(C)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LD50 oral > 200mg/kg (200mg/kg)   Pesticide Manual. Vol. 9, Pg. 787, 1991.
chicken LD50 oral > 500mg/kg (500mg/kg)   Pesticide Manual. Vol. 9, Pg. 787, 1991.
dog LD50 oral > 500mg/kg (500mg/kg)   Pesticide Manual. Vol. 9, Pg. 787, 1991.
duck LD50 oral > 500mg/kg (500mg/kg)   Pesticide Manual. Vol. 9, Pg. 787, 1991.
mouse LD50 intraperitoneal 505mg/kg (505mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: ATAXIA
Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S35, 1992.
mouse LD50 oral 579mg/kg (579mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA
Food and Cosmetics Toxicology. Vol. 12, Pg. 461, 1974.
mouse LD50 subcutaneous 545mg/kg (545mg/kg) BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S35, 1992.
quail LD50 oral > 500mg/kg (500mg/kg)   Pesticide Manual. Vol. 9, Pg. 787, 1991.
rabbit LD50 oral 286mg/kg (286mg/kg) BEHAVIORAL: ATAXIA

BEHAVIORAL: FOOD INTAKE (ANIMAL)

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Food and Cosmetics Toxicology. Vol. 12, Pg. 461, 1974.
rat LC50 inhalation > 3696mg/m3 (3696mg/m3) BEHAVIORAL: ATAXIA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S35, 1992.
rat LD50 intraperitoneal 480mg/kg (480mg/kg) BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S35, 1992.
rat LD50 oral 644mg/kg (644mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: FOOD INTAKE (ANIMAL)

BEHAVIORAL: ATAXIA
Food and Cosmetics Toxicology. Vol. 12, Pg. 461, 1974.
rat LD50 skin > 5gm/kg (5000mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: ATAXIA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S35, 1992.
rat LD50 subcutaneous 500mg/kg (500mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: ATAXIA
Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S35, 1992.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 163 dec deg C   EXP
log P (octanol-water) 1.79 (none)   EXP
Water Solubility 2500 mg/L 25 EXP
Vapor Pressure 2.00E-06 mm Hg 25 EXP
Henry's Law Constant 1.20E-10 atm-m3/mole 25 EXP
Atmospheric OH Rate Constant 3.32E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.