21087-64-9|MetribuzinProducts Supply - Chemical intermediates Network

Metribuzin cas no:21087-64-9

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

Identification

NameMetribuzin
CAS21087-64-9
Synonyms4-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
EINECS(EC#)244-209-7
Molecular FormulaC8H14N4OS
Molecular Weight214.28

Chemical Properties

Appearancecolorless crystalline solid
refractive index1.617
storage tempAPPROX 4°C

Safety Data

Hazard Xn:Harmful
Risk R22;R50/53
Safety

Poison by ingestion and intraperitoneal routes. Low toxicity by skin contact. When heated to decomposition it emits very toxic fumes of NO_x and SO_x.?
Hazard Codes:? Harmful Xn, Dangerous N, Flammable F
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

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.

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Metribuzin cas no:21087-64-9

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