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Merck
CN

H2006

1-Hydroxybenzotriazole

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About This Item

Empirical Formula (Hill Notation):
C6H5N3O
CAS Number:
Molecular Weight:
135.12
UNSPSC Code:
12352200
EC Number:
219-989-7
MDL number:
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SMILES string

On1nnc2ccccc12

mp

156-159 °C (lit.)

Biochem/physiol Actions

Inhibits racemization in peptide syntheses using DCC as condensing agent.

pictograms

Exploding BombExclamation mark

signalword

Danger

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)

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