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B11400

Sigma-Aldrich

Benzotriazole

ReagentPlus®, 99%

Synonym(s):

1,2,3-Benzotriazole, 1H-Benzotriazole

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About This Item

Empirical Formula (Hill Notation):
C6H5N3
CAS Number:
95-14-7
Molecular Weight:
119.12
Beilstein:
112133
EC Number:
202-394-1
MDL number:
MFCD00005699
UNSPSC Code:
12352100
PubChem Substance ID:
57653915
NACRES:
NA.21

vapor density

4.1 (vs air)

Quality Level

200

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

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302 - H319 - H411

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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1-Isopropyl-1H-1,2,3-benzotriazole-5-carboxylic acid AldrichCPR

Sigma-Aldrich

CDS013703

1-Isopropyl-1H-1,2,3-benzotriazole-5-carboxylic acid

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