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340545

1,2,3-Benzotriazin-4(3H)-one

Name: 1,2,3-Benzotriazin-4(3<I>H</I>)-one
Brand: ALDRICH

98%

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About This Item

Empirical Formula (Hill Notation):

C₇H₅N₃O

CAS Number:

90-16-4

Molecular Weight:

147.13

NACRES:

NA.22

PubChem Substance ID:

24860827

UNSPSC Code:

12352100

EC Number:

201-971-5

MDL number:

MFCD00052387

Assay:

98%

Form:

powder

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Properties

assay

98%

form

powder

mp

216-218 °C (lit.)

SMILES string

O=C1NN=Nc2ccccc12

InChI

1S/C7H5N3O/c11-7-5-3-1-2-4-6(5)8-10-9-7/h1-4H,(H,8,9,11)

InChI key

DMSSTTLDFWKBSX-UHFFFAOYSA-N

Description

General description

1,2,3-Benzotriazin-4(3H)-one is an 1,2,3-benzotriazine derivative. 1,2,3-Benzotriazin-4(3H)-one undergoes thermal condensation with α-amino acids to yield 3H-1,4-benzodiazepin-(1H,4H)-2,5-diones. 1,2,3-benzotriazin-4(3H)-one on thermolysis yields quinazolino[3,2-c][1,2,3]benzotriazin-8-one.

pictograms

GHS07

signalword

Warning

hcodes

H302,H315,H319,H335

pcodes

P261 - P264 - P271 - P301 + P312 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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