• Name

  Tricyclazole

• EINECS 255-559-5
• CAS No. 41814-78-2
• Article Data13
• CAS DataBase
• Density 1.5 g/cm³
• Solubility 1.6g/L(25 oC)
• Melting Point 187-188 °C
• Formula C₉H₇N₃S
• Boiling Point 275 °C
• Molecular Weight 189.241
• Flash Point
• Transport Information UN 2588
• Appearance powder
• Safety
• Risk Codes 22
• Molecular Structure
• Hazard Symbols Xn
• Synonyms 5-Methyl-1,2,4-triazole(3,4-b)benzothiazole;Tricyclazole [ANSI:BSI:ISO];Blascide;1,2,4-Triazolo(3,4-b)benzothiazole, 5-methyl-;5-Methyl-1,2,4-triazolo(3,4-b)benzo-1,3-thiazole;Tizole;Elanco 291;5-Methyl-1,2,4-triazolo(3,4-b)(1,3)benzothiazole;1,2,4-Triazolo(3,4-b)benzothiazole, 5-methyl- (9CI);EL 291;Blas-T;5-Methyl-1,2,4-triazolo(3,4-b)benzothiazole (9CI);Sivic;EL-291;BIM;EPA Pesticide Chemical Code 120201;5-methyl-1,2,4-triazolo[3,4-b]benzo-1,3-thiazole;s-Triazolo(3,4-b)benzothiazole, 5-methyl-;Pilarblas;Beam;1,2,4-Triazolo[3,4-b]benzothiazole,5-methyl-;
• PSA 58.43000
• LogP 2.25240

Synthetic route

3-allenylthio-5-methyl-s-triazolo<3,4-b>benzothiazole

41814-78-2

5-methyl-1,2,4-triazolo[3,4-b]benzothizole

Conditions

Conditions	Yield
With hydrogen; nickel In ethanol for 6h; Heating;	78.7%

147423-88-9

5-methyl-3-mercapto<1,2,4>triazolo<3,4-b>benzothiazole

41814-78-2

5-methyl-1,2,4-triazolo[3,4-b]benzothizole

Conditions

Conditions	Yield
With nickel In ethanol for 8h; Heating; further reagent: dilute nitric acid;	66.6%
Multi-step reaction with 2 steps 1: aq. NaOH / 2 h 2: 78.7 percent / H2 / Raney-Ni / ethanol / 6 h / Heating View Scheme

64-18-6

formic acid

20174-68-9

4-methyl-2-hydrazinobenzothiazole

41814-78-2

5-methyl-1,2,4-triazolo[3,4-b]benzothizole

Conditions

Conditions	Yield
for 1h; Heating;	61.3%
Stage #1: 4-methyl-2-hydrazinobenzothiazole With sodium carbonate In water; ethylene glycol; xylene at 110 - 115℃; for 4 - 5h; Azeotropic distilation; Stage #2: formic acid With toluene-4-sulfonic acid In ethylene glycol; xylene at 110 - 120℃; for 4 - 5h; Azeotropic distilation;

1477-42-5

4-methyl-1,3-benzothiazol-2-amine

41814-78-2

5-methyl-1,2,4-triazolo[3,4-b]benzothizole

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 81 percent / hydrazine hydrate, conc. HCl / ethane-1,2-diol / 2 h / 150 - 160 °C 2: 63.3 percent / KOH / ethanol; H2O / 1 h / Heating 3: 66.6 percent / Raney Ni / ethanol / 8 h / Heating; further reagent: dilute nitric acid View Scheme
Multi-step reaction with 2 steps 1: 81 percent / hydrazine hydrate, conc. HCl / ethane-1,2-diol / 2 h / 150 - 160 °C 2: 61.3 percent / 1 h / Heating View Scheme

20174-68-9

4-methyl-2-hydrazinobenzothiazole

41814-78-2

5-methyl-1,2,4-triazolo[3,4-b]benzothizole

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 63.3 percent / KOH / ethanol; H2O / 1 h / Heating 2: 66.6 percent / Raney Ni / ethanol / 8 h / Heating; further reagent: dilute nitric acid View Scheme

50-00-0

formaldehyd

100-61-8

N-methylaniline

41814-78-2

5-methyl-1,2,4-triazolo[3,4-b]benzothizole

5-methyl-3-(N-methylanilinomethyl)<1,2,4>triazolo<3,4-b>benzothiazole

Conditions

Conditions	Yield
In ethanol at 60℃; for 3h;	26%

...Expand

41814-78-2

5-methyl-1,2,4-triazolo[3,4-b]benzothizole

61073-33-4

5-methyl<1,2,4>triazolo<5,1-b>benzothiazole

Conditions

Conditions	Yield
With sodium hydroxide for 0.5h; Heating;

Tricyclazole Chemical Properties

Tricyclazole Uses

Tricyclazole Toxicity Data With Reference

Tricyclazole Safety Profile

Tricyclazole Specification