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Merck
CN

54804

1-Hydroxybenzotriazole hydrate

puriss., ≥99.0% (HPLC)

Synonym(s):

HOBt Hydrate

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About This Item

Empirical Formula (Hill Notation):
C6H5N3O · xH2O
CAS Number:
Molecular Weight:
135.12 (anhydrous basis)
UNSPSC Code:
12352000
PubChem Substance ID:
EC Number:
219-989-7
Beilstein/REAXYS Number:
4515
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grade

puriss.

assay

≥99.0% (HPLC)

impurities

11-13% water

mp

155-158 °C (lit.)

solubility

DMF: 100 mg/mL, clear

SMILES string

[H]O[H].On1nnc2ccccc12

InChI

1S/C6H5N3O.H2O/c10-9-6-4-2-1-3-5(6)7-8-9;/h1-4,10H;1H2

InChI key

PJUPKRYGDFTMTM-UHFFFAOYSA-N

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pictograms

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signalword

Danger

Hazard Classifications

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

supp_hazards

Storage Class

4.1A - Other explosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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