333522
2,5-Bis-(4-aminophenyl)-1,3,4-oxadiazole
Dye content 90 %
Synonym(s):
BAO
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About This Item
Empirical Formula (Hill Notation):
C14H12N4O
CAS Number:
Molecular Weight:
252.27
Beilstein:
243757
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
form
powder
composition
Dye content, 90%
mp
250-254 °C (lit.)
SMILES string
Nc1ccc(cc1)-c2nnc(o2)-c3ccc(N)cc3
InChI
1S/C14H12N4O/c15-11-5-1-9(2-6-11)13-17-18-14(19-13)10-3-7-12(16)8-4-10/h1-8H,15-16H2
InChI key
MJZXFMSIHMJQBW-UHFFFAOYSA-N
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General description
2, 5-Bis-(4-aminophenyl)-1, 3, 4-oxadiazole (BAO) is an oxadiazole-containing rigid bidentate ligands.
Application
Aromatic polyimides were synthesized from 2, 5-bis(4-aminophenyl)-1,3,4-oxadiazole and 2,5-diamino-pyridine via high temperature polycondensation. BAO may be used to undertake Schiff-type staining of DNA obtained from cerebral cortex neurons. It may be used for cytofluorometric staining to estimate the nuclear DNA in living and preserved algae.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Jason M Evans et al.
Journal of the Air & Waste Management Association (1995), 67(2), 196-211 (2016-09-16)
The Northern Colorado Front Range (NCFR) has been in exceedance of the ozone National Ambient Air Quality Standard (NAAQS) since 2004, which has led to much debate over the sources of ozone precursors to the region, as this area is
Jing Gao et al.
Environmental science and pollution research international, 25(27), 27090-27105 (2018-07-19)
The purpose of this study was to identify the concentrations, sources, and potential ecological and health risks of heavy metals in soils from a typical industrial area in Shanghai, China. A total of 28 surface soil samples were collected and
H M Hull et al.
Stain technology, 57(5), 273-282 (1982-09-01)
Three DNA-localizing fluorochromes used in conjunction with epi (incident) UV illumination were examined for sensitivity and selectivity for the cytofluorometric determination of nuclear DNA in ten species of six algal genera: Mougeotia, Oedogonium, Sirogonium, Spirogyra and Zygnema among the green
Eugenia Grabiec et al.
The journal of physical chemistry. A, 113(8), 1481-1488 (2009-01-28)
Two series of new aromatic polyimides were synthesized from 2,5-bis(4-aminophenyl)-1,3,4-oxadiazole and 2,5-diamino-pyridine and various diamidedianhydrides and dietherdianhydride via high-temperature polycondensation in N-methyl-2-pyrrolidinone. The structures of polymers were characterized by means of FTIR, (1)H NMR spectroscopy, and elemental analysis; the results
Junji Uno et al.
World neurosurgery, 134, e469-e475 (2019-11-02)
To investigate the clinical effectiveness of mechanical thrombectomy (MT) for basilar artery occlusion (BAO) and to ascertain whether outcomes for patients with BAO were comparable to those with anterior circulation large vessel occlusion (ACS). A total of 345 patients who
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