B11400
Benzotriazole
ReagentPlus®, 99%
Synonym(s):
1,2,3-Benzotriazole, 1H-Benzotriazole
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All Photos(4)
About This Item
Empirical Formula (Hill Notation):
C6H5N3
CAS Number:
Molecular Weight:
119.12
Beilstein:
112133
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21
Recommended Products
vapor density
4.1 (vs air)
Quality Level
vapor pressure
0.04 mmHg ( 20 °C)
product line
ReagentPlus®
Assay
99%
form
powder
mp
97-99 °C (lit.)
SMILES string
c1ccc2[nH]nnc2c1
InChI
1S/C6H5N3/c1-2-4-6-5(3-1)7-9-8-6/h1-4H,(H,7,8,9)
InChI key
QRUDEWIWKLJBPS-UHFFFAOYSA-N
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General description
Benzotriazole is used as a synthetic auxiliary for the preparation of organic derivatives and as a corrosion inhibitors for Cu and its alloys.
Application
Benzotriazole can be used as a reactant to synthesize:
- β-Aminocarbonyl compounds via Mannich reaction of secondary amines and aldehydes in the presence of p-toluenesulfonic acid as a catalyst.
- Acylbenzotriazoles via thionyl chloride catalyzed reaction with nitrobenzoic acids.
- 1-(2-Pyridyl)benzotriazole by reacting with 2-bromopyridine in the presence of toluene as a solvent.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point(F)
338.0 °F - closed cup
Flash Point(C)
170 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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