Product Name

  • Name

    Simazine

  • EINECS 204-535-2
  • CAS No. 122-34-9
  • Article Data23
  • CAS DataBase
  • Density 1.302 g/cm3
  • Solubility 0.0005 g/100 mL in water
  • Melting Point 225 °C
  • Formula C7H12ClN5
  • Boiling Point 365.8 °C at 760 mmHg
  • Molecular Weight 201.659
  • Flash Point 175 °C
  • Transport Information UN 2811
  • Appearance White powder
  • Safety 36/37-46-60-61-45
  • Risk Codes 40-50/53-39/23/24/25-23/24/25-11
  • Molecular Structure Molecular Structure of 122-34-9 (Simazine)
  • Hazard Symbols HarmfulXn,DangerousN
  • Synonyms 1,3,5-Triazine-2,4-diamine,6-chloro-N,N'-diethyl- (9CI);2,4-Bis(ethylamino)-6-chloro-s-triazine;2,4-Di(ethylamino)-6-chloro-1,3,5-triazine;2-Chloro-4,6-bis(ethylamino)-s-triazine;2-Chloro-4,6-di(ethylamino)triazine;Aktinit S;Aquazine;Azotop;BatazinaFLO;Bitemol S 50;CAT;CAT (pesticide);CET;Geigy 27692;Gesatop D;H 1803;Herbatoxol S;Herbazin;Herbazin 50;Herbex;Hungazin DT;Radocon;Simanex;Simatox;Simatsin-neste;Simazin;Tafazine;Tafazine 50W;Triazine A 384;W 6658;Yrodazin;
  • PSA 62.73000
  • LogP 1.53460

Synthetic route

1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

ethylamine
75-04-7

ethylamine

Simazine
122-34-9

Simazine

Conditions
ConditionsYield
With sodium hydroxide In water; acetone at 0 - 50℃; for 1.5h;92%
With sodium carbonate In water; acetone at 0 - 20℃;81%
With sodium hydrogencarbonate In acetone at 20℃; for 4h; pH=7;70%
2-ethylamino-4,6-dichloro-[1,3,5]triazine
3440-19-5

2-ethylamino-4,6-dichloro-[1,3,5]triazine

ethylamine
75-04-7

ethylamine

Simazine
122-34-9

Simazine

Conditions
ConditionsYield
With sodium hydroxide In water at 25 - 40℃;
Simazine
122-34-9

Simazine

dimethyl amine
124-40-3

dimethyl amine

2,4-Bisethylamino-6-dimethylamino-1,3,5-triazin
16268-59-0

2,4-Bisethylamino-6-dimethylamino-1,3,5-triazin

Conditions
ConditionsYield
With water; sodium carbonate for 1.5h; Heating;95%
Simazine
122-34-9

Simazine

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

2,4-Bis(ethylamino)-6-methylthio-1,3,5-triazine
1014-70-6

2,4-Bis(ethylamino)-6-methylthio-1,3,5-triazine

Conditions
ConditionsYield
With potassium tert-butylate; palladium diacetate; triphenylphosphine; potassium thioacetate In dimethyl sulfoxide at 120℃; for 12h; Schlenk technique; Inert atmosphere;93%
With potassium tert-butylate; palladium diacetate; triphenylphosphine; potassium thioacetate In dimethyl sulfoxide at 120℃; Inert atmosphere;84%
Simazine
122-34-9

Simazine

disodium cyanamide
20611-81-8

disodium cyanamide

2,4-Bisethylamino-6-cyanamino-1,3,5-triazin
53736-39-3

2,4-Bisethylamino-6-cyanamino-1,3,5-triazin

Conditions
ConditionsYield
In water; dimethyl sulfoxide at 140℃; for 0.5h;85.5%
In water; N,N-dimethyl-formamide at 130 - 135℃; for 0.5h;40%
Simazine
122-34-9

Simazine

2-ethoxy-ethanol
110-80-5

2-ethoxy-ethanol

2,4-Bisethylamino-6-(2-ethoxy-ethoxy)-1,3,5-triazin
30360-73-7

2,4-Bisethylamino-6-(2-ethoxy-ethoxy)-1,3,5-triazin

Conditions
ConditionsYield
With disodium cyanamide In water for 1.5h; Heating;82.5%
Simazine
122-34-9

Simazine

4-Aminoacetophenone
99-92-3

4-Aminoacetophenone

2,4-bis(ethylamino)-6-(4'-acetylphenylamino)-1,3,5-triazine
840528-65-6

2,4-bis(ethylamino)-6-(4'-acetylphenylamino)-1,3,5-triazine

Conditions
ConditionsYield
With sodium carbonate In water; N,N-dimethyl-formamide for 12h; Reflux;78%
Simazine
122-34-9

Simazine

Diethyl carbonate
105-58-8

Diethyl carbonate

N2,N4-diethyl-6-(ethylthio)-1,3,5-triazine-2,4-diamine
30360-82-8

N2,N4-diethyl-6-(ethylthio)-1,3,5-triazine-2,4-diamine

Conditions
ConditionsYield
With potassium tert-butylate; palladium diacetate; triphenylphosphine; potassium thioacetate In dimethyl sulfoxide at 120℃; Schlenk technique; Inert atmosphere;76%
Simazine
122-34-9

Simazine

p-aminoethylbenzoate
94-09-7

p-aminoethylbenzoate

ethyl(2,4-bis-ethylamino-s-triazin-6-yl)aminobenzoate
119712-29-7

ethyl(2,4-bis-ethylamino-s-triazin-6-yl)aminobenzoate

Conditions
ConditionsYield
In 1,4-dioxane for 2h; Heating;73%
Simazine
122-34-9

Simazine

ethanolamine
141-43-5

ethanolamine

2-(4,6-Bis-ethylamino-[1,3,5]triazin-2-ylamino)-ethanol
125101-20-4

2-(4,6-Bis-ethylamino-[1,3,5]triazin-2-ylamino)-ethanol

Conditions
ConditionsYield
With sodium methylate70%
Simazine
122-34-9

Simazine

4-(4-fluorophenyl)-2-hydrazinyl-1-methyl-6-oxo-1,6-dihydropyrimidine-5-carbonitrile

4-(4-fluorophenyl)-2-hydrazinyl-1-methyl-6-oxo-1,6-dihydropyrimidine-5-carbonitrile

2-(2-(4,6-bis(ethylamino)-1,3,5-triazin-2-yl)hydrazinyl)-4-(4-fluorophenyl)-1-methyl-6-oxo-1,6-dihydropyrimidine-5-carbonitrile

2-(2-(4,6-bis(ethylamino)-1,3,5-triazin-2-yl)hydrazinyl)-4-(4-fluorophenyl)-1-methyl-6-oxo-1,6-dihydropyrimidine-5-carbonitrile

Conditions
ConditionsYield
With sodium hydrogencarbonate In 1,4-dioxane for 3h; Reflux;68%
Simazine
122-34-9

Simazine

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

2C8H6Cl2O3*C7H12ClN5

2C8H6Cl2O3*C7H12ClN5

Conditions
ConditionsYield
In tetrahydrofuran for 0.5h;68%
Simazine
122-34-9

Simazine

Dipropyl carbonate
623-96-1

Dipropyl carbonate

N2,N4-diethyl-6-(propylthio)-1,3,5-triazine-2,4-diamine

N2,N4-diethyl-6-(propylthio)-1,3,5-triazine-2,4-diamine

Conditions
ConditionsYield
With potassium tert-butylate; palladium diacetate; triphenylphosphine; potassium thioacetate In dimethyl sulfoxide at 120℃; Schlenk technique; Inert atmosphere;66%
Simazine
122-34-9

Simazine

2-hydrazino-1-methyl-6-oxo-4-(4-chlorophenyl)-1,6-dihydropyrimidine-5-carbonitrile
389614-64-6

2-hydrazino-1-methyl-6-oxo-4-(4-chlorophenyl)-1,6-dihydropyrimidine-5-carbonitrile

2-[N'-(4,6-bis-ethylamino-[1,3,5]triazin-2-yl)-hydrazino]-4-(4-chloro-phenyl)-1-methyl-6-oxo-1,6-dihydro-pyrimidine-5-carbonitrile

2-[N'-(4,6-bis-ethylamino-[1,3,5]triazin-2-yl)-hydrazino]-4-(4-chloro-phenyl)-1-methyl-6-oxo-1,6-dihydro-pyrimidine-5-carbonitrile

Conditions
ConditionsYield
With sodium hydrogencarbonate In 1,4-dioxane for 3h; Heating;65%
Simazine
122-34-9

Simazine

1,4-bis-(aminomethyl)cyclohexane
2549-93-1

1,4-bis-(aminomethyl)cyclohexane

C15H29N7

C15H29N7

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane for 72h; Heating / reflux;65%
Simazine
122-34-9

Simazine

2-hydrazino-1-methyl-6-oxo-4-phenyl-1,6-dihydropyrimidine-5-carbonitrile
97693-26-0

2-hydrazino-1-methyl-6-oxo-4-phenyl-1,6-dihydropyrimidine-5-carbonitrile

2,4-bisethylamino-6-(5'-cyano-3'-N-methyl-6'-phenyl-3',4'-dihydropyrimidin-4'-one-2'-yl-hydrazino)-s-triazine

2,4-bisethylamino-6-(5'-cyano-3'-N-methyl-6'-phenyl-3',4'-dihydropyrimidin-4'-one-2'-yl-hydrazino)-s-triazine

Conditions
ConditionsYield
With sodium hydrogencarbonate In 1,4-dioxane for 3h; Heating;63%
Simazine
122-34-9

Simazine

2,4-bis(ethylamino)-6-hydrazino-s-triazine
10421-98-4

2,4-bis(ethylamino)-6-hydrazino-s-triazine

Conditions
ConditionsYield
With hydrazine hydrate In 1,4-dioxane for 3h; Heating;60%
With hydrazine hydrate In 1,4-dioxane at 100 - 110℃;
Simazine
122-34-9

Simazine

Methoxycarbonylsulfenyl chloride
26555-40-8

Methoxycarbonylsulfenyl chloride

C9H14ClN5O2S
99384-43-7

C9H14ClN5O2S

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane23%
Simazine
122-34-9

Simazine

tributyl-{2,3-di{2′,3′-di(5′,5″-dihexyl-[2″,2″;3″,2″]terthiophen-5″-yl)thiophen-5-yl}thiophene-yl}stannane

tributyl-{2,3-di{2′,3′-di(5′,5″-dihexyl-[2″,2″;3″,2″]terthiophen-5″-yl)thiophen-5-yl}thiophene-yl}stannane

C115H139N5S15

C115H139N5S15

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 100℃; for 24h; Inert atmosphere;21%
Simazine
122-34-9

Simazine

N,O-dimethylhydroxylamine*hydrochloride
6638-79-5

N,O-dimethylhydroxylamine*hydrochloride

N-(4,6-bis-ethylamino-[1,3,5]triazin-2-yl)-N,O-dimethyl-hydroxylamine
1380341-88-7

N-(4,6-bis-ethylamino-[1,3,5]triazin-2-yl)-N,O-dimethyl-hydroxylamine

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In ethanol at 100℃; for 16h;18%
Simazine
122-34-9

Simazine

2-butoxycarbonylsulfenyl chloride
99384-50-6

2-butoxycarbonylsulfenyl chloride

C12H20ClN5O2S
99384-44-8

C12H20ClN5O2S

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane17%
Simazine
122-34-9

Simazine

sodium methylate
124-41-4

sodium methylate

2-methoxy-4,6-bisethylamino-1,3,5-triazine
673-04-1

2-methoxy-4,6-bisethylamino-1,3,5-triazine

Conditions
ConditionsYield
With methanol
Simazine
122-34-9

Simazine

ethylamine
75-04-7

ethylamine

N,N’,N”-triethylmelamine
16268-92-1

N,N’,N”-triethylmelamine

Conditions
ConditionsYield
With sodium hydroxide
Simazine
122-34-9

Simazine

simazine-2-hydroxy
2599-11-3

simazine-2-hydroxy

Conditions
ConditionsYield
With silver(I) nitrite
Simazine
122-34-9

Simazine

2,4,6-Trinitrophenol
88-89-1

2,4,6-Trinitrophenol

2-Amino-4,6-bis-ethylamino-1,3,5-triazinpikrat

2-Amino-4,6-bis-ethylamino-1,3,5-triazinpikrat

Conditions
ConditionsYield
With ammonium hydroxide 1.) DMSO, reflux, 4 h; Yield given. Multistep reaction;
Simazine
122-34-9

Simazine

A

N-Nitrososimazin
6494-81-1

N-Nitrososimazin

B

N,N'-Dinitrososimazin
126381-11-1

N,N'-Dinitrososimazin

Conditions
ConditionsYield
With potassium thioacyanate; sodium nitrite In formic acid; acetic acid at 0 - 2℃; for 6h;
Simazine
122-34-9

Simazine

EDMA
97-90-5

EDMA

terbuthylazine
5915-41-3

terbuthylazine

polymer, molecularly imprinted

polymer, molecularly imprinted

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile) In dichloromethane at 4℃; for 16h; Polymerization; Irradiation;
Simazine
122-34-9

Simazine

2,4-diamino-1,3,5-triazine
504-08-5

2,4-diamino-1,3,5-triazine

Conditions
ConditionsYield
With iron In phosphate buffer at 22℃; pH=6.6; Kinetics; Dehalogenation; dealkylation;
Simazine
122-34-9

Simazine

4,6-bis-ethylamino-1H-[1,3,5]triazine-2-thione
1011-91-2

4,6-bis-ethylamino-1H-[1,3,5]triazine-2-thione

Conditions
ConditionsYield
With disodium tetrasulfide In water at 21℃; pH=9.5; Kinetics; Further Variations:; Reagents;

Simazine Chemical Properties

Molecule structure of Simazine (CAS NO.122-34-9):

IUPAC Name: 6-chloro-2-N,4-N-diethyl-1,3,5-triazine-2,4-diamine 
Molecular Weight: 201.65668 g/mol
Molecular Formula: C7H12ClN5 
Density: 1.318 g/cm3 
Boiling Point: 365.8 °C at 760 mmHg 
Flash Point: 175 °C
Index of Refraction: 1.622
Molar Refractivity: 53.9 cm3
Molar Volume: 152.9 cm3
Polarizability: 21.37×10-24 cm3
Surface Tension: 58.4 dyne/cm 
Enthalpy of Vaporization: 61.21 kJ/mol
Vapour Pressure: 1.53E-05 mmHg at 25 °C
XLogP3: 2.2
H-Bond Donor: 2
H-Bond Acceptor: 5
Rotatable Bond Count: 4
Tautomer Count: 5
Exact Mass: 201.078123
MonoIsotopic Mass: 201.078123
Topological Polar Surface Area: 62.7
Heavy Atom Count: 13
Complexity: 131
Canonical SMILES: CCNC1=NC(=NC(=N1)Cl)NCC
InChI: InChI=1S/C7H12ClN5/c1-3-9-6-11-5(8)12-7(13-6)10-4-2/h3-4H2,1-2H3,(H2,9,10,11,12,13)
InChIKey: ODCWYMIRDDJXKW-UHFFFAOYSA-N

Simazine Uses

 Simazine (CAS NO.122-34-9) can be widely used as a residual non-selective herbicide. In European Union states (EU directive 91/414/EEC), it is banned . It acts by inhibiting photosynthesis like atrazine. After application, It remains active in the soil for 2-7 months.

Simazine Production

 Simazine can be prepared in the laboratory from cyanuric chloride crystals and a strong solution of ethyl amine which is at least 50 percent by number in water. The reaction is highly exothermic and is therefore best carried out in an ice bath below 10 °C. It is also essential to carry out the synthesis in a fume hood since cyanuric chloride decomposes at high temperatures into hydrogen chloride and hydrogen cyanide both of which are highly toxic by inhalation.

Simazine Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
chicken LD50 oral > 5gm/kg (5000mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A369, Pg. 1984,
mammal (species unspecified) LD50 oral 2014mg/kg (2014mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

SKIN AND APPENDAGES (SKIN): HAIR: OTHER

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)
National Technical Information Service. Vol. PB288-416,
mammal (species unspecified) LD50 unreported 1400mg/kg (1400mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 44(6), Pg. 81, 1979.
mouse LD50 intravenous 100mg/kg (100mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#04003,
mouse LDLo oral 5gm/kg (5000mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 27(8), Pg. 22, 1962.
pigeon LD50 oral > 5gm/kg (5000mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A369, Pg. 1984,
rabbit LD50 oral > 5gm/kg (5000mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A369, Pg. 1984,
rabbit LD50 skin > 10200mg/kg (10200mg/kg)   Yakkyoku. Pharmacy. Vol. 37, Pg. 427, 1986.
rat LC50 inhalation 9800mg/m3/4H (9800mg/m3)   Farm Chemicals Handbook. Vol. -, Pg. C275, 1991.
rat LD50 oral 971mg/kg (971mg/kg)   Fundamental and Applied Toxicology. Vol. 7, Pg. 299, 1986.
rat LD50 skin > 5gm/kg (5000mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 15, Pg. 315, 1990.
rat LD50 unreported 1390mg/kg (1390mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 7(5), Pg. 54, 1963.

Simazine Specification

 Simazine (CAS NO.122-34-9) is an off-white crystalline compound which is sparingly soluble in water. Simazine (CAS NO.122-34-9) is also called 1-Chloro-3,5-bis(ethylamino)-2,4,6-triazine ; 2,4-Bis(aethylamino)-6-chlor-1,3,5-triazin ;
2,4-Bis(aethylamino)-6-chlor-1,3,5-triazin [German] ; 2,4-Bis(ethylamino)-6-chloro-s-triazine ; 2-Chloro-4,6-bis(ethylamino)-1,3,5-triazine ; 2-Chloro-4,6-bis(ethylamino)-s-triazine ; 4-26-00-01208 (Beilstein Handbook Reference) ; 6-Chloro-N,N'-diethyl-1,3,5-triazine-2,4-diamine ; 6-Chloro-N2,N4-diethyl-1,3,5-triazine-2,4-diamine ; A 2079 ; AI3-51142 ; Aktinit S ; Amizine ; Aquazine ; Azotop ; BRN 0010895 ; Batazina ; Batazine FLO ; Bitemol ; Bitemol S 50 ; CAT ; CAT (herbicide) ; CCRIS 1469 ; CDT ; CET ; Caswell No. 740 ; Cekusan ; Cekusima ; Cekuzina-S ; EPA Pesticide ; Chemical Code 080807 ; G 27692 ; G-27692 ; Geigy 27,692 ; Gesapun ; Gesaran ; Gesatop ; Gesatop 50 ; H 1803 ; HSDB 1765 ; Herbatoxol S ; Herbazin ; Primatel S ; Primatol S ; Princep ; Simanex ; Simatsin-neste ; Simazine 80W ; Symazine ; Tafazine ; Tafazine (VAN) ; Tafazine 50-W ; Taphazine ; Triazine A 384 ; W 6658 ; Yrodazin ; Zeapur .

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