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Sigma-Aldrich

1H-Benzotriazole

for synthesis

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Synonym(s):
1H-Benzotriazole
Empirical Formula (Hill Notation):
C6H5N3
CAS Number:
95-14-7
Molecular Weight:
119.12
MDL number:
MFCD00005699
UNSPSC Code:
12352005
EC Index Number:
202-394-1
NACRES:
NA.22

vapor pressure

0.053 hPa ( 20 °C)

Quality Level

200

Assay

≥99.0% (HPLC)

form

solid

autoignition temp.

400 °C

potency

560 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

pH

6.0-7.0 (20 °C, 100 g/L in H2O, suspension)

bp

350 °C/1013 hPa

mp

99 °C

transition temp

flash point 212 °C

density

1.36 g/cm3 at 20 °C

bulk density

500 kg/m3

storage temp.

2-30°C

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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Application

  • A copper (I) coordination polymer incorporating the corrosion inhibitor 1H-benzotriazole: This study presents a novel copper (I) coordination polymer synthesized using 1H-benzotriazole, offering potential applications in corrosion inhibition (Liu et al., 2024).
  • Corrosion Behavior of Aluminum-Based Materials in Polymer Electrolyte Membrane Fuel Cell Environment: This paper investigates the effect of methyl-1H-benzotriazole on the corrosion behavior of aluminum, shedding light on its potential in enhancing the durability of fuel cell components (Jahan, 2024).
  • Electrocatalytic detection of Hg (II) using a platinum electrode modified with composite film: The incorporation of 1H-benzotriazole in a novel metallocyclic complex enhances its utility in the electrocatalytic detection of mercury, suggesting applications in environmental monitoring (Shoba et al., 2024).

Analysis Note

Assay (HPLC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 95 °C
Melting range (upper value): ≤ 99 °C
Identity (IR): passes test

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

Certificates of Analysis (COA)

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