33152
1,5-二苯卡巴肼
reag. Ph. Eur., ≥98.0%
别名:
1,5-二苯羰酰肼, 对称二苯氨基脲
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关于此项目
线性分子式:
C6H5NHNHCONHNHC6H5
化学文摘社编号:
分子量:
242.28
UNSPSC Code:
41116105
NACRES:
NA.21
PubChem Substance ID:
EC Number:
205-403-7
Beilstein/REAXYS Number:
752039
MDL number:
Assay:
≥98% (HPLC), ≥98.0%
InChI key
KSPIHGBHKVISFI-UHFFFAOYSA-N
InChI
1S/C13H14N4O/c18-13(16-14-11-7-3-1-4-8-11)17-15-12-9-5-2-6-10-12/h1-10,14-15H,(H2,16,17,18)
SMILES string
O=C(NNc1ccccc1)NNc2ccccc2
agency
USP/NF, reag. Ph. Eur.
assay
≥98% (HPLC), ≥98.0%
technique(s)
UV/Vis spectroscopy: suitable, titration: suitable
impurities
diphenylcarbazone, in accordance, ≤0.1% insoluble matter in ethanol
ign. residue
≤0.05% (as SO4)
Quality Level
mp
170-175 °C
suitability
passes test for Hg detection
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General description
1,5-二苯卡巴肼与铬（VI）反应，已被广泛用于铬的分光光度法测定。它也是一种电子供体，可用于测量亚叶绿体碎片中的光系统2活性。
Application
在利用滴滤器还原生物铬（VI）的实验过程中，1,5-二苯卡巴肼被用于制备二苯卡巴肼溶液。在在线预浓缩和测定水中的痕量铬（VI）时，它可用于HPLC的柱前络合。
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
On-line preconcentration and determination of chromium (VI) in waters by high-performance liquid chromatography using pre-column complexation with 1, 5-diphenylcarbazide.
Padarauskas A
Journal of Chromatography A, 808 (1), 193-199 (1998)
Oxidation of 1, 5-diphenylcarbazide as a measure of photosystem 2 activity in subchloroplast fragments.
Vernon LP and Shaw ER.
Biochemical and Biophysical Research Communications, 36 (6), 878-884 (1969)
Biological chromium (VI) reduction using a trickling filter.
Dermou E
Journal of Hazardous Materials, 126 (1), 78-85 (2005)
Cristina Pagliano et al.
Journal of photochemistry and photobiology. B, Biology, 84(1), 70-78 (2006-03-17)
The effects of cadmium (from 7.5 to 75 microM) on chloroplasts of rice were studied at the structural and biochemical level. Loss of pigments, reduction of thylakoids and decrease in oxygen evolution and Fv/Fm ratio occur in leaves following cadmium
Y Nakano et al.
Water research, 35(2), 496-500 (2001-03-07)
We have proposed a new recovery system of hexavalent chromium Cr(VI) that is of great toxicity utilizing condensed-tannin gels derived from a natural polymer with many polyhydroxyphenyl groups. The adsorption mechanism of Cr(VI) to the tannin molecules was clarified. The
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