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Merck
CN

40825

3-Hydroxy-1,2,3-benzotriazin-4(3H)-one solution

~25% in DMF

Synonym(s):

3,4-Dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine, DHBT

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About This Item

Empirical Formula (Hill Notation):
C7H5N3O2
CAS Number:
28230-32-2
Molecular Weight:
163.13
UNSPSC Code:
12352005
PubChem Substance ID:
57650021
MDL number:
MFCD00042803

Key Documents

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InChI

1S/C7H5N3O2/c11-7-5-3-1-2-4-6(5)8-9-10(7)12/h1-4,12H

SMILES string

ON1N=Nc2ccccc2C1=O

InChI key

HJBLUNHMOKFZQX-UHFFFAOYSA-N

form

liquid

concentration

~25% in DMF

impurities

≤0.1% water

refractive index

n20/D 1.477

application(s)

peptide synthesis

storage temp.

2-8°C

General description

Solution may crystallize when stored over extended periods of time. Gently warm to ambient temperature and stir to bring product back into solution

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

136.4 °F - closed cup

flash_point_c

58 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
1451460V
1451460
1431721
1341488
1239388

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