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H50802

Sigma-Aldrich

2-(2-Hydroxyphenyl)benzoxazole

98%

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About This Item

Empirical Formula (Hill Notation):
C13H9NO2
CAS Number:
Molecular Weight:
211.22
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

bp

338 °C (lit.)

mp

122-124 °C (lit.)

SMILES string

Oc1ccccc1-c2nc3ccccc3o2

InChI

1S/C13H9NO2/c15-11-7-3-1-5-9(11)13-14-10-6-2-4-8-12(10)16-13/h1-8,15H

InChI key

GHGZVWOTJDLREY-UHFFFAOYSA-N

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

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Shang Yanfang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 228, 117746-117746 (2019-11-24)
A 2-oxo-2H-chromene-3-carbohydrazide (CHB) was synthesized by the reaction of salicylaldehyde with diethyl malonate and hydrazine hydrate. The recognition behaviors of CHB to Zn2+ were investigated and the results showed that CHB exhibits well selectivity and sensitivity to Zn2+ with fast

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