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Home> CAS DataBase Listed 2 > CAS 21087-64-9
Identification of 21087-64-9
  • Name:
  • Metribuzin (Related Reference)
  • EINECS:
  • 244-209-7
  • Synonyms:
  • 4-Amino-6-(1,1-dimethylethyl)-3-methylthio-1,2,4-triazine-5-tetrahydrogenketone; Sencor; Lexone; 4-Amino-6-Tert-Butyl-3-(Methylthio)-1,2,4-Triazin-5-One; Sencoral(Bayer); Lexone(du pont); 4-amino-6-tert-butyl-3-methylthio-1,2,4-triazine-5-(4H)-one; 4-Amino-6-tert-butyl-3-(methylthio)-1,2,4-triazin-5(4H)-one; 1,2,4-triazin-5(4H)-one; PRETILACHLOR; 2-Chloro-N-(2,6-diethylphenyl)-N-(2-propoxyethyl)acetamide; 4-Amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one
  • InChI:
  • InChI=1/C8H14N4OS/c1-8(2,3)5-6(13)12(9)7(14-4)11-10-5/h9H2,1-4H3
  • This structure is also available as a 2d Mol file
Safety Data of 21087-64-9 Properties of 21087-64-9
  • Appearance:
  • colorless crystalline solid
  • Molecular Weight:
  • 214.28
  • Density:
  • 1.28
  • Boiling Point:
  • 312.4 °C at 760 mmHg
  • Melting Point:
  • 125℃
  • Flash Point:
  • 142.7 °C
  • Storage Temperature:
  • APPROX 4°C
  • Refractive index:
  • 1.617
  • Solubility:
  • Slightly soluble
  • Stability:
  • Stable at normal temperatures and pressures.
  • Usage:
  • Herbicide.

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CAS No. 21087-64-9 (Metribuzin )

  • CAS No:21087-64-9
  • Molecular Weight: 214.28
  • Molecular Formula: C8H14N4OS
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product
Metribuzin
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  • Purity:95%TC 
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  • Formula:C8H14N4OS 
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  • Updatetime:Jun 15 2018 
Metribuzin
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Metribuzin
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Metribuzin
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  • Updatetime:Nov 13 2015 
Hangzhou J&H Chemical Co., Ltd 4YRS Main Products
3,5-Dibromoanisole,5-Fluoro-2-nitroanisole,Doxorubicin hydrochloride,Diethyl 4-oxoheptanedioate,1,5-Diphenylpenta-1,4-dien-3-one,3,5-Dimethoxy-4-hydroxycinnamic acid
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Metribuzin
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  • Formula:C8H14N4OS 
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  • Updatetime:Feb 06 2018 
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  • Updatetime:Jul 28 2016 
Jinan Haohua Industry Co., Ltd. Main Products
Chlorodimethylsilane;1,1,3,3-tetramethyldisiloxane
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barite,barium sulfate,titanium dioxide,calcium carbide,caustic soda,soda ash,glycerol monostearate,perchloroethylene,titanium tetrachloride,epichlorohydrin,bon acid,2b acid,naphthol AS,AAOA,MEA
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Coal chemical products Agrochemicals (Technicals and formulations) Public health chemicals Veterinary chemicals Industrial chemical materials Organic intermediates inorganic chemicals
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Metribuzin
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Metribuzin
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  • Updatetime:Mar 25 2014 
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Agrochemicals producer: Insecticides, fungicides, herbicides
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70%WDG metribuzin granules
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Agrochemicals, Insecticides, Herbicides, Fungicides, Plant Growth Regulator, Household Chemicals
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herbicide, fungicide, insecticide
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  • Updatetime:Aug 26 2013 
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herbicides; fungicides; insecticides; plant growth regulator; propanil; mesotrione; bupirimate; azoxystrobin; metaldehyde; fluazuron; tetrachlorvinphos; chlorfenvinphos; gibberellic acid (GA3) etc
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Metribuzin
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Metribuzin
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Precursor and Product
References of Metribuzin cas 21087-64-9

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LD50 oral > 500mg/kg (500mg/kg) ? "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A280, Pg. 1983,
guinea pig LD50 oral 250mg/kg (250mg/kg) ? "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.
mouse LC inhalation > 860mg/m3/4H (860mg/m3) ? "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 1042, 1991.
mouse LD50 intraperitoneal 210mg/kg (210mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Pesticide Biochemistry and Physiology. Vol. 23, Pg. 123, 1984.
mouse LD50 oral 564mg/kg (564mg/kg) ? Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 12, Pg. 127, 1987.
mouse LD50 skin > 1gm/kg (1000mg/kg) ? Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 12, Pg. 127, 1987.
mouse LD50 subcutaneous 367mg/kg (367mg/kg) ? Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 12, Pg. 127, 1987.
quail LD50 oral 164mg/kg (164mg/kg) ? Pesticide Manual. Vol. 8, Pg. 573, 1987.
quail LD50 unreported 168mg/kg (168mg/kg) ? Farm Chemicals Handbook. Vol. -, Pg. C204, 1991.
rabbit LD50 skin > 20gm/kg (20000mg/kg) ? Farm Chemicals Handbook. Vol. -, Pg. C204, 1991.
rat LC50 inhalation > 860mg/m3/4H (860mg/m3) ? Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 12, Pg. 127, 1987.
rat LD50 intraperitoneal 239mg/kg (239mg/kg) ? Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 12, Pg. 127, 1987.
rat LD50 oral 1100mg/kg (1100mg/kg) ? Farm Chemicals Handbook. Vol. -, Pg. C204, 1991.
rat LD50 skin 2gm/kg (2000mg/kg) ? "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1001, 1986.
rat LD50 subcutaneous 814mg/kg (814mg/kg) ? Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 12, Pg. 127, 1987.

Safety

Poison by ingestion and intraperitoneal routes. Low toxicity by skin contact. When heated to decomposition it emits very toxic fumes of NOx and SOx.?
Hazard Codes:?HarmfulXn,DangerousN,FlammableF
Risk Statements: 22-50/53-36-20/21/22-11?
R22:Harmful if swallowed.?
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.?
R36:Irritating to eyes.?
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.?
R11:Highly flammable.
Safety Statements: 2-60-61-36-26-16?
S2:Keep out of the reach of children.?
S60:This material and its container must be disposed of as hazardous waste.?
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.?
S36:Wear suitable protective clothing.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S16:Keep away from sources of ignition.
RIDADR: UN3077 9/PG 3
RTECS: XZ2990000