ChemicalBook > CAS DataBase List > 4,5-DIBROMO-1H-1,2,3-TRIAZOLE

4,5-DIBROMO-1H-1,2,3-TRIAZOLE

Product Name: 4,5-DIBROMO-1H-1,2,3-TRIAZOLE
CAS No.: 15294-81-2
Chemical Name: 4,5-DIBROMO-1H-1,2,3-TRIAZOLE
Synonyms: NSC222414;4,5-dibromo-1H-triazole;v-Triazole,4,5-dibroMo-;4,5-dibromo-2H-triazole;4,5-Dibrom-1H-1,2,3-triazole;v-Triazole,4,5-dibroMo- (8CI);4,5-DIBROMO-1H-1,2,3-TRIAZOLE;4,5-dibromo-2H-1,2,3-triazole;1H-1,2,3-triazole, 4,5-dibromo-
CBNumber: CB0413929
Molecular Formula: C2HBr2N3
Formula Weight: 226.86
MOL File: 15294-81-2.mol

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4,5-DIBROMO-1H-1,2,3-TRIAZOLE Property

Melting point:: 194 °C (decomp)
Boiling point:: 47,3 C
Density: 2.18 g/cm
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
solubility: soluble in Methanol
form: powder to crystal
pka: 5.22±0.70(Predicted)
color: White to Light yellow
InChI: InChI=1S/C2HBr2N3/c3-1-2(4)6-7-5-1/h(H,5,6,7)
InChIKey: GUQUYKTWVBJKFL-UHFFFAOYSA-N
SMILES: N1C(Br)=C(Br)N=N1

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
HS Code: 2933.99.8290
HazardClass: IRRITANT

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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.

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

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N-Bromosuccinimide Price

TCI Chemical

Product number: D5205
Product name: 4,5-Dibromo-1H-1,2,3-triazole
Packaging: 1G
Price: $80
Updated: 2025/07/31

TCI Chemical

Product number: D5205
Product name: 4,5-Dibromo-1H-1,2,3-triazole
Packaging: 5G
Price: $320
Updated: 2025/07/31

TRC

Product number: D426180
Product name: 4,5-Dibromo-1H-1,2,3-triazole
Packaging: 5g
Price: $250
Updated: 2021/12/16

Matrix Scientific

Product number: 140308
Product name: 4,5-Dibromo-2H-1,2,3-triazole
Purity: 95+%
Packaging: 5g
Price: $265
Updated: 2021/12/16

Matrix Scientific

Product number: 140308
Product name: 4,5-Dibromo-2H-1,2,3-triazole
Purity: 95+%
Packaging: 1g
Price: $85
Updated: 2021/12/16

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4,5-DIBROMO-1H-1,2,3-TRIAZOLE Chemical Properties,Usage,Production

Uses

4,5-Dibromo-1H-1,2,3-triazole is an intermediate used in preparation of isoxazole derivative herbicides.

Synthesis

288-36-8

15294-81-2

Example 120: Preparation of 4,5-dibromo-1H-1,2,3-triazole. Bromine (1.5 mL, 29 mmol) was slowly added to a solution of 1H-[1,2,3]triazole (1.26 mL, 21.7 mmol) in water (10 mL) at 5 °C. The reaction mixture was stirred at 5°C for 1.5 h. The white solid (2.375 g) was isolated by filtration and washed with cold water (5 mL). Bromine (1.5 mL, 29 mmol) was added again to the combined filtrates. The mixture was stirred at room temperature for 20 h. More white solid (1.83 g) was separated by filtration and washed with cold water (5 mL). Bromine (1.5 mL, 29 mmol) was added a third time to the combined filtrates. The reaction mixture was stirred at room temperature for 20 h. Additional white solid (375 mg) was isolated by filtration and washed with cold water (5 mL). All white solids were combined and dried to give 4,5-dibromo-1H-[1,2,3]- triazole (4.92 g, 93% yield). Melting point: 194.7°C.

References

[1] Journal of the Chemical Society - Perkin Transactions 1, 1996, # 12, p. 1341 - 1347
[2] Patent: WO2007/96576, 2007, A1. Location in patent: Example I20
[3] Patent: WO2017/80980, 2017, A1. Location in patent: Page/Page column 68-69
[4] Justus Liebigs Annalen der Chemie, 1947, vol. 558, p. 34,41
[5] Journal of the Chemical Society - Perkin Transactions 1, 1996, # 13, p. 1535 - 1543

4,5-DIBROMO-1H-1,2,3-TRIAZOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 4,5-DIBROMO-1H-1,2,3-TRIAZOLE manufacturers

Hangzhou ICH Biofarm Co., Ltd

Product: 4,5-DIBROMO-1H-1,2,3-TRIAZOLE 15294-81-2
Price: US $0.00-0.00/kg
Min. Order: 0.10000000149011612kg
Purity: 99.0%min
Supply Ability: 200kg
Release date: 2024-10-12

Zhuozhou Wenxi import and Export Co., Ltd

Product: 4,5-Dibromo-1H-1,2,3-triazole 15294-81-2
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-07-10

Zhuozhou Wenxi import and Export Co., Ltd

Product: 4,5-Dibromo-1H-1,2,3-triazole 15294-81-2
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-07-08

15294-81-2, 4,5-DIBROMO-1H-1,2,3-TRIAZOLERelated Search:

4,5-DIBROMO-1H-1,2,3-TRIAZOLE

1H-1,2,3-triazole, 4,5-dibromo-

4,5-dibromo-2H-1,2,3-triazole

4,5-dibromo-2H-triazole

4,5-Dibrom-1H-1,2,3-triazole

v-Triazole,4,5-dibroMo- (8CI)

NSC222414

v-Triazole,4,5-dibroMo-

4,5-dibromo-1H-triazole

15294-81-2