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H2006

1-Hydroxybenzotriazole

Name: 1-Hydroxybenzotriazole
Brand: SIGMA

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About This Item

Empirical Formula (Hill Notation):

C₆H₅N₃O

CAS Number:

2592-95-2

Molecular Weight:

135.12

UNSPSC Code:

12352200

EC Number:

219-989-7

MDL number:

MFCD00005805

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Properties

mp

156-159 °C (lit.)

SMILES string

On1nnc2ccccc12

Description

Biochem/physiol Actions

Inhibits racemization in peptide syntheses using DCC as condensing agent.

pictograms

GHS01,GHS07

signalword

Danger

hcodes

H203,H319,H412

pcodes

P210 - P230 - P250 - P273 - P370 + P372 + P380 + P373 - P503

Hazard Classifications

Aquatic Chronic 3 - Expl. 1.3 - Eye Irrit. 2

Storage Class

1 - Explosive hazardous materials

wgk

WGK 1

flash_point_f

293.0 °F - Pensky Martens closed cup

flash_point_c

145 °C - Pensky Martens closed cup

Regulatory Information

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[A new method for synthesis of peptides: activation of the carboxyl group with dicyclohexylcarbodiimide using 1-hydroxybenzotriazoles as additives].

W König et al.

Chemische Berichte, 103(3), 788-798 (1970-01-01)