B11400
Benzotriazole
99%, powder, ReagentPlus®
Synonym(s):
1,2,3-Benzotriazole, 1H-Benzotriazole
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About This Item
Empirical Formula (Hill Notation):
C6H5N3
CAS Number:
Molecular Weight:
119.12
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
202-394-1
MDL number:
Beilstein/REAXYS Number:
112133
Assay:
99%
Form:
powder
Product Name
Benzotriazole, ReagentPlus®, 99%
vapor density
4.1 (vs air)
Quality Segment
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
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
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Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
338.0 °F - closed cup
flash_point_c
170 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
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