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Metribuzin Structure

Metribuzin

Chemical Properties

Melting point 125°C
Boiling point 132 °C(Press: 0.02 Torr)
Density  1.28
refractive index  1.6390 (estimate)
Flash point 2 °C
storage temp.  APPROX 4°C
solubility  DMSO (Slightly), Methanol (Slightly)
pka -0.16±0.20(Predicted)
form  Solid
color  White
Odor mild odor
Water Solubility  Slightly soluble
BRN  746650
Exposure limits NIOSH REL: 5 mg/m3; ACGIH TLV: TWA 5 mg/m3.
NIST Chemistry Reference Metribuzin(21087-64-9)
EPA Substance Registry System Metribuzin (21087-64-9)

Safety Information

Hazard Codes  Xn;N,N,Xn,F
Risk Statements  22-50/53-36-20/21/22-11
Safety Statements  2-60-61-36-26-16-36/37
RIDADR  UN3077 9/PG 3
WGK Germany  3
RTECS  XZ2990000
HazardClass  9
PackingGroup  III
HS Code  29336990
Hazardous Substances Data 21087-64-9(Hazardous Substances Data)
Toxicity LD50 orally in rats: 2200 mg/kg; LC50 in rainbow trout: >10 ppm (Loeser, Kimmerle)

Usage And Synthesis

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