• Name

  4-Butyl-4H-1,2,4-triazole

• EINECS 240-351-9
• CAS No. 16227-10-4
• Article Data9
• CAS DataBase
• Density 1.04g/cm³
• Solubility
• Melting Point
• Formula C6H11 N3
• Boiling Point 220.9°Cat760mmHg
• Molecular Weight 125.173
• Flash Point 87.4°C
• Transport Information
• Appearance
• Safety A poison by ingestion and skin contact. When heated to decomposition it emits toxic fumes of NO_x.
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms 4-Butyl-1,2,4-triazole;4-Butyl-4H-1,2,4-triazole; 4-n-Butyl-1,2,4-triazole; BT; BT (pesticide);Butrizol; Dithane R 24; Indar; RH 124; Triazbutil; Triazbutyl
• PSA 30.71000
• LogP 1.07820

Synthetic route

288-88-0

1,2,4-Triazole

109-65-9

1-bromo-butane

A

6086-22-2

1-butyl-1H-[1,2,4]triazole

B

16227-10-4

4-n-butyl-1,2,4-triazole

Conditions

Conditions	Yield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 0 - 20℃; Alkylation;	A 85% B n/a
With aluminum oxide; potassium fluoride; tetrabutylammomium bromide for 24h; Ambient temperature; Yield given. Yields of byproduct given;
With sodium hydroxide In N,N-dimethyl-formamide at 20℃; Alkylation;

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288-88-0

1,2,4-Triazole

109-65-9

1-bromo-butane

A

6086-22-2

1-butyl-1H-[1,2,4]triazole

B

16227-10-4

4-n-butyl-1,2,4-triazole

C

1,4-dibutyl-4H-1,2,4-triazol-1-ium bromide

Conditions

Conditions	Yield
With lithium hydroxide; tetrabutylammomium bromide for 24h; Product distribution; Ambient temperature; also benzotriazole; other alkyl halides; var. base as reagents; also reactions in the absence of base; var. temperatures and reaction time; also with conventional heating or microwave heating instead of phase transfer catalysis;

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109-73-9

N-butylamine

122-51-0

orthoformic acid triethyl ester

624-84-0

formic acid hydrazide

16227-10-4

4-n-butyl-1,2,4-triazole

Conditions

Conditions	Yield
Stage #1: orthoformic acid triethyl ester; formic acid hydrazide In methanol Heating; Stage #2: N-butylamine In methanol Heating; Further stages.;

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288-88-0

1,2,4-Triazole

542-52-9

Dibutyl carbonate

16227-10-4

4-n-butyl-1,2,4-triazole

Conditions

Conditions	Yield
With magnesium carbonate at 200℃; for 20h; Inert atmosphere;	5.25 g

74-83-9

methyl bromide

16227-10-4

4-n-butyl-1,2,4-triazole

1268852-02-3

4-butyl-1-methyl-4H-1,2,4-triazol-1-ium bromide

Conditions

Conditions	Yield
In acetonitrile for 36h; Reflux; Inert atmosphere; Schlenk technique;	96%

507-19-7

t-butyl bromide

16227-10-4

4-n-butyl-1,2,4-triazole

4-butyl-1-tert-butyl-4H-1,2,4-triazol-1-ium bromide

Conditions

Conditions	Yield
In acetonitrile for 36h; Reflux; Inert atmosphere; Schlenk technique;	92%

16227-10-4

4-n-butyl-1,2,4-triazole

1343472-85-4

BH2(C2H2N3(C4H9))2(1+)*I(1-)=[BH2(C2H2N3(C4H9))2]I

Conditions

Conditions	Yield
With trimethylamine-borane; iodine In toluene for 24h; Reflux;	85.8%

75-22-9

trimethylamine-borane

7553-56-2

iodine

16227-10-4

4-n-butyl-1,2,4-triazole

1343472-85-4

BH2(C2H2N3(C4H9))2(1+)*I(1-)=[BH2(C2H2N3(C4H9))2]I

Conditions

Conditions	Yield
In toluene I2 added to toluene soln. of Me3NBH3 , stirred at room temp. for 1 h, ligand added (1:2:4 molar ratio), mixt. refluxed for 24 h; filtered off, washed (hexane, Et2O, toluene), dried (80°C, vac.),recrystd. (hot EtOH), elem. anal.;	85.8%

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4-Butyl-4H-1,2,4-triazole Chemical Properties

BUTRIZOL 's Molecular formula: C₆H₁₁N₃
BUTRIZOL 's Molar mass: 125.17
Structure:
EINECS: 240-351-9
Synonyms: 4-BUTYL-4H-1,2,4-TRIAZOLE;4-butyl-1,2,4-triazole;Triazbutil;4-N-BUTYL-4H-1,2,4-TRIAZOLE;Dithane R-24;Butrizol;RH-124

4-Butyl-4H-1,2,4-triazole Uses

4-Butyl-4H-1,2,4-triazole Toxicity Data With Reference

4-Butyl-4H-1,2,4-triazole Safety Profile