N10802

2-Nitrobenzaldehyde

98%

• Synonym(s): o-NBA, ortho-nitrobenzaldehyde
• 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: 24897457
• NACRES: NA.22

Properties

• Quality Level: 200
• assay: 98%
• form: crystals
• bp: 153 °C/23 mmHg (lit.)
• mp: 42-44 °C (lit.)
• 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

Description

General description

The 2-Nitrobenzyl group of 2-nitrobenzaldehyde is photolabile that can be cleaved when exposed to UV-light.

Application

2-Nitrobenzaldehyde can react with chitosan to form 2-nitrobenzyl-chitosan, which is soluble in trifluoroacetic acid and can also be electrospun into nanofiber matrices. On photolysis, the nitrobenzyl group is cleaved to form neat chitosan nanofiber matrices. The same principle has been applied for the preparation of gelatin nanofiber matrices. The condensation of o-NBA with 2-aminobenzothiazole forms o-nitrobenzylidene 2-aminobenzothiazole, a Schiff′s base that can react with metal ions to form complexes.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302,H315,H319,H335,H412
• pcodes: P261 - P264 - P273 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• 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
• ppe: dust mask type N95 (US), Eyeshields, Gloves