33130

4-(Dimethylamino)benzaldehyde

puriss. p.a., reag. Ph. Eur., ≥99% (perchloric acid titration)

• Synonyme(s) : Ehrlich’s reagent
• Formule linéaire : (CH₃)₂NC₆H₄CHO
• Numéro CAS: 100-10-7
• Poids moléculaire : 149.19
• Numéro Beilstein : 606802
• Numéro CE : 202-819-0
• Numéro MDL: MFCD00003381
• Code UNSPSC : 12352100
• ID de substance PubChem : 57648761
• Nomenclature NACRES : NA.21

Propriétés

• Agence: USP/NF; reag. Ph. Eur.
• Niveau de qualité: 200
• Qualité: puriss. p.a.
• Pureté: ≥99% (perchloric acid titration)
• Résidus de calcination: ≤0.1% (as SO₄)
• Perte: ≤0.5% loss on drying
• Pf: 72-75 °C (lit.); 73-75 °C
• Solubilité: ethanol: 0.1 g/10 mL
• Traces de cations: Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤50 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• Chaîne SMILES: CN(C)c1ccc(C=O)cc1
• InChI: 1S/C9H11NO/c1-10(2)9-5-3-8(7-11)4-6-9/h3-7H,1-2H3
• Clé InChI: BGNGWHSBYQYVRX-UHFFFAOYSA-N

Description

Description générale

4-(Dimethylamino)benzaldehyde is also commonly referred as Ehrlich′s reagent. Its crystal structure has been investigated by X-ray analysis. Its crystals belong to the monoclinic crystal system and exhibits space group P2₁/n. 4-(Dimethylamino)benzaldehyde exhibits dual fluorescence. Its dipole moment in various excited states has been evaluated using their electronic spectra and Bilot-Kawski theory.

Application

4-(Dimethylamino)benzaldehyde in micelle (sodium dodecyl sulphate) containing medium may be used for the quantification of hydroxyproline in meat samples by spectrophotometric methods.

Forms colored condensation products (Schiff bases) with pyrroles and primary amines.

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H317
• Conseils de prudence: P261 - P272 - P280 - P302 + P352 - P333 + P313 - P362 + P364
• Classification des risques: Skin Sens. 1B
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): 327.2 °F - closed cup
• Point d'éclair (°C): 164 °C - closed cup
• Équipement de protection individuelle: Eyeshields, Gloves, type N95 (US)