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72780

Sigma-Aldrich

2-Nitrobenzaldehyde

for the determination of methyl ketones, ≥99.0%

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About This Item

Linear Formula:
O2NC6H4CHO
CAS Number:
552-89-6
Molecular Weight:
151.12
Beilstein/REAXYS Number:
742624
EC Number:
209-025-3
MDL number:
MFCD00007132
UNSPSC Code:
12352100
PubChem Substance ID:
329764350
NACRES:
NA.22

assay

≥99.0%

form

crystals

quality

for the determination of methyl ketones

ign. residue

≤0.1% (as SO4)

bp

153 °C/23 mmHg (lit.)

mp

42-44 °C (lit.)

anion traces

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

Ca: ≤200 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤25 mg/kg
Fe: ≤20 mg/kg
K: ≤50 mg/kg
Mg: ≤50 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤10 mg/kg
Pb: ≤30 mg/kg
Zn: ≤20 mg/kg

SMILES string

[O-][N+](=O)c1ccccc1C=O

InChI

1S/C7H5NO3/c9-5-6-3-1-2-4-7(6)8(10)11/h1-5H

InChI key

CMWKITSNTDAEDT-UHFFFAOYSA-N

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pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB1353
BCBW7949
BCBT7336
BCBT5576
BCBR5229V

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An-Hu Li et al.
Organic & biomolecular chemistry, 5(1), 61-64 (2006-12-14)
A highly effective one-pot Friedländer quinoline synthesis using inexpensive reagents has been developed. o-Nitroarylcarbaldehydes were reduced to o-aminoarylcarbaldehydes with iron in the presence of catalytic HCl (aq.) and subsequently condensed in situ with aldehydes or ketones to form mono- or
Shibo Cheng et al.
Physical chemistry chemical physics : PCCP, 12(31), 9067-9074 (2010-06-08)
The fluorescence and phosphorescence emission studies have been performed to understand the photochemistry of o-nitrobenzaldehyde in solution upon photoexcitation to the first excited singlet state (S(1)). The presence of an energy barrier in the S(1)-state hydrogen transfer potential energy surface
The photochemistry of o-nitrobenzaldehyde as seen by femtosecond vibrational spectroscopy.
Stefan Laimgruber et al.
Angewandte Chemie (International ed. in English), 44(48), 7901-7904 (2005-11-16)
J M Allen et al.
Journal of pharmaceutical and biomedical analysis, 24(2), 167-178 (2000-12-29)
We report the development of a new 'photochemical titration' actinometric method for measurement of UV-B (290-320 nm) and UV-A (320-400 nm) light dose during drug photostability testing. It is based upon photolysis of aqueous 2-nitrobenzaldehyde solution, a well-characterized reaction that
Gregory O Noonan et al.
Journal of agricultural and food chemistry, 53(12), 4680-4685 (2005-06-09)
Recently, semicarbazide has been found in food in jars sealed with cap liners that were manufactured using azodicarbonamide as a blowing agent. These reports raised the concern that the use of azodicarbonamide-an approved dough conditioner-may result in semicarbazide residues in
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