5-(4-CHLOROPHENYL)-1H-TETRAZOLE

Product Name: 5-(4-CHLOROPHENYL)-1H-TETRAZOLE
CAS No.: 16687-61-9
Chemical Name: 5-(4-CHLOROPHENYL)-1H-TETRAZOLE
Synonyms: NSC 86301;SALOR-INT L307904-1EA;5-(p-Chlorophenyl)tetrazole;5-(p-Chlorophenyl)-1H-tetrazole;5-(4-CHLOROPHENYL)-1H-TETRAZOLE;5-(4-CHLORO-PHENYL)-2H-TETRAZOLE;2H-Tetrazole, 5-(4-chlorophenyl)-;1H-Tetrazole, 5-(4-chlorophenyl)-;5-(4-CHLOROPHENYL)-1H-TETRAZOLE, 98+%;5-(4-Chlorophenyl)-1H-tetrazole
CBNumber: CB0766412
Molecular Formula: C7H5ClN4
Formula Weight: 180.59
MOL File: 16687-61-9.mol

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5-(4-CHLOROPHENYL)-1H-TETRAZOLE Property

Melting point:: 260-264 °C (Decomposition without melting.)
Boiling point:: 356.2±44.0 °C(Predicted)
Density: 1.448±0.06 g/cm3(Predicted)
storage temp.: Inert atmosphere,Room Temperature
form: solid
pka: 3.95±0.10(Predicted)
BRN: 140053
CAS DataBase Reference: 16687-61-9

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Safety

Hazard Codes: Xn
Risk Statements: 36/37/38-22
Safety Statements: 26-36
WGK Germany: 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 763527
Product name: 5-(4-Chlorophenyl)-1H-tetrazole
Purity: 97%
Packaging: 1g
Price: $35
Updated: 2023/06/20

TCI Chemical

Product number: C4066
Product name: 5-(4-Chlorophenyl)-1H-tetrazole
Packaging: 1G
Price: $38
Updated: 2025/07/31

TCI Chemical

Product number: C4066
Product name: 5-(4-Chlorophenyl)-1H-tetrazole
Packaging: 5G
Price: $114
Updated: 2025/07/31

TRC

Product number: B405218
Product name: 5-(4-Chlorophenyl)-1H-tetrazole
Packaging: 100mg
Price: $60
Updated: 2021/12/16

AK Scientific

Product number: 5712AH
Product name: 5-(4-Chloro-phenyl)-2H-tetrazole
Packaging: 250mg
Price: $39
Updated: 2021/12/16

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5-(4-CHLOROPHENYL)-1H-TETRAZOLE Chemical Properties,Usage,Production

Synthesis

623-03-0

16687-61-9

GENERAL METHODS: 5-(4-chlorophenyl)-1H-tetrazole (2c) was synthesized as follows: 4-chlorobenzonitrile (1c, 274 mg, 2 mmol), NaN3 (260 mg, 4 mmol), Sc(OTf)3 (197 mg, 0.4 mmol), and 8 mL of a 3:1 isopropanol-water mixture were added to a 30 mL Pyrex microwave reaction tube , which was sealed. The reaction tube was placed in a Milestone Start Synth microwave reactor and heated at 160°C for 1 h with magnetic stirring. The progress of the reaction was monitored by thin layer chromatography (TLC) using a solvent mixture of ether-hexane (50:50) as the unfolding agent. Upon completion of the reaction, the reaction mixture was diluted with 20 mL of saturated aqueous sodium bicarbonate and extracted with 215 mL of ethyl acetate. The aqueous phase was acidified with concentrated hydrochloric acid to pH ≤ 2 under ice bath cooling, followed by extraction of the precipitate with 315 mL of ethyl acetate. The organic phases were combined, dried with anhydrous sodium sulfate and transferred to a weighed round bottom flask. The organic phase was concentrated by rotary evaporation under reduced pressure at 40°C and then further dried under high vacuum. The product was purified by recrystallization from ethyl acetate and hexane. All reagents were used directly without purification. Nuclear magnetic resonance (NMR) spectra were determined on a 300 MHz (1H) and 75 MHz (13C) NMR instrument.1H NMR spectra were determined in dimethylsulfoxide (DMSO-d6) with DMSO (2.52 ppm) as an internal standard; 13C NMR spectra were determined in DMSO-d6 with DMSO (40.5 ppm) as an internal standard. Infrared (IR) spectra were determined by Fourier transform infrared (FTIR) spectrophotometer. The melting point of the solid product was determined by melting point apparatus.5-(4-Chlorophenyl)-1H-tetrazole (2c) was a white solid with IR (KBr pressed) νmax/cm-1 : 3385 (broad peak), 1645 (mid), 1634 (mid); 1H NMR (DMSO-d6, δ): 11.60 (broad peak, 1H), 8.07 (d, J=8.28 Hz. 2H), 7.70 (d, J=8.25 Hz, 2H); 13C NMR (DMSO-d6, δ): 155.8 (broad peak), 136.9, 130.6, 129.7, 124.1; melting point 250-251°C.

References

[1] Journal of the Brazilian Chemical Society, 2012, vol. 23, # 12, p. 2197 - 2203
[2] Journal of Organic Chemistry, 2012, vol. 77, # 23, p. 10882 - 10890
[3] Tetrahedron Letters, 2014, vol. 55, # 44, p. 6034 - 6038
[4] Asian Journal of Chemistry, 2017, vol. 29, # 4, p. 864 - 866
[5] Chemical Communications, 2010, vol. 46, # 3, p. 448 - 450

5-(4-CHLOROPHENYL)-1H-TETRAZOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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16687-61-9, 5-(4-CHLOROPHENYL)-1H-TETRAZOLERelated Search:

5-(4-CHLOROPHENYL)-2H-1,2,3,4-TETRAAZOLE

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5-(4-CHLORO-PHENYL)-2H-TETRAZOLE

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SALOR-INT L307904-1EA

5-(4-CHLOROPHENYL)-1H-TETRAZOLE, 98+%

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16687-61-9