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About This Item
Linear Formula:
O2NC6H4NHNH2
CAS Number:
Molecular Weight:
153.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
221-222-6
Beilstein/REAXYS Number:
512797
MDL number:
Assay:
97%
Form:
powder
InChI
1S/C6H7N3O2/c7-8-5-3-1-2-4-6(5)9(10)11/h1-4,8H,7H2
InChI key
FRBUNLLUASHNDJ-UHFFFAOYSA-N
SMILES string
NNc1ccccc1[N+]([O-])=O
assay
97%
form
powder
contains
30% water as stabilizer (minimum)
Quality Level
mp
91-93 °C (lit.)
storage temp.
2-8°C
Related Categories
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
4.1B - Flammable solid hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
危险化学品
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Determination of methyl ethyl ketone in human urine after derivatization with o-nitrophenylhydrazine, using solid-phase extraction and reversed-phase high-performance liquid chromatography and ultraviolet detection.
J E Van Doorn et al.
Journal of chromatography, 489(2), 419-424 (1989-04-14)
Takashi Arai et al.
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan, 125(3), 299-305 (2005-03-02)
In general, spectrophotometric methods (inductively coupled plasma or atomic absorption spectrophotometry) are used for the assay of magnesium stearate (Mg-St). In this study, a new rapid, selective assay method was developed for Mg-St in pharmaceutical formulations. The method was based
Junmei Zhang et al.
Journal of the American Society for Mass Spectrometry, 22(11), 1958-1967 (2011-09-29)
Peptides with two or more basic residues, including those with post-translational modifications (PTMs), such as methylation and phosphorylation, can be highly hydrophilic and, therefore, are often difficult to be retained on a reversed-phase (RP) column. In addition, these highly hydrophilic
R Peters et al.
Journal of chromatography. A, 1031(1-2), 35-50 (2004-04-03)
2-Nitrophenylhydrazine (2-NPH) is widely used for the derivatization of carboxylic acids, aldehydes and ketones, in industrial and biological samples. These compounds react with 2-NPH to form derivatives, which are separated by high-performance liquid chromatography (HPLC) and detected with diode array
H Miwa et al.
Journal of AOAC International, 79(2), 493-497 (1996-03-01)
Direct derivatization of saponified fats and oils with 2-nitrophenylhydrazine hydrochloride produced corresponding fatty acid hydrazides without time-consuming sample cleanup and/or extraction steps. Hydrazides were injected directly into a liquid chromatograph. Improved isocratic separation was achieved within only 22 min for
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