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1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea Structure

1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea

Chemical Properties

Melting point 161-164°C
Density  1.2080 (rough estimate)
refractive index  1.6390 (estimate)
storage temp.  0-6°C
pka 13.36±0.46(Predicted)
form  Solid
color  White to Light yellow
Water Solubility  2.3g/L(temperature not stated)
λmax 255nm(lit.)
Merck  14,9095
BRN  527479
Exposure limits LC50 (96-hour) for bluegill sun?sh 112 mg/L, rainbow trout 144 mg/L, gold?sh and fathead minnow >160 mg/L (Hartley and Kidd, 1987); acute oral LD50 for rats 644 mg/kg (Ashton and Monaco, 1991).
CAS DataBase Reference 34014-18-1(CAS DataBase Reference)
NIST Chemistry Reference Tebuthiuron(34014-18-1)
EPA Substance Registry System Tebuthiuron (34014-18-1)

Safety Information

Hazard Codes  Xn;N,N,Xn
Risk Statements  22-50/53
Safety Statements  37-60-61
RIDADR  UN 3077
WGK Germany  3
RTECS  YS4250000
HazardClass  9
PackingGroup  III
HS Code  29349990
Hazardous Substances Data 34014-18-1(Hazardous Substances Data)
Toxicity LD50 in mice, rats, rabbits (mg/kg): 579, 644, 286 orally (Todd)

Usage And Synthesis

Preparation Products And Raw materials

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