Substance
ID:365821
Names and Identifiers
IUPAC name
4-(dimethylamino)benzaldehyde
IUPAC Traditional name
para-dimethylaminobenzaldehyde
Synonyms
Ehrlich 试剂4-(二甲基氨基)苯甲醛4-(Dimethylamino)benzaldehydeEhrlich’s reagent
Registration numbers
EC Number
CAS Number
Beilstein Number
MDL Number
PubChem SID
Properties
Physical Property
Flash Point
164 °C
327.2 °F
Melting Point
72-75 °C(lit.)
73-75 °C
Safety Information
RTECS
CU5775000
German water hazard class
1
MSDS Link
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Product Information
Cation Traces
Cu: ≤5 mg/kg
Co: ≤5 mg/kg
Ni: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Cr: ≤5 mg/kg
Zn: ≤5 mg/kg
Na: ≤50 mg/kg
Pb: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ignition Residue
≤0.1% (as SO4)
Purity
≥99.0% (HPLC)
Linear Formula
(CH3)2NC6H4CHO
Loss on Drying
≤0.5% loss on drying
Antion Traces
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg
Quality
for the determination of hydroxyproline
Molecule Details
Application
Forms colored condensation products (Schiff bases) with pyrroles1 and primary amines.2
Other Notes
Analytical reagent for the determination of amino acids and peptides, amines, indoles, hydrazines and hydrogen peroxides; spray reagent for tryptophan3,4; For the determination of tryptophan in proteins5; Used in microbiology as test reagent for the identification of indole-producing microorganisms.; For Kovacs reagent dissolve 10 g 4-dimethylamino-benzaldehyde in 150 mL 1-pentanol and add 50 mL hydrochloric acid conc.
Forms colored condensation products (Schiff bases) with pyrroles1 and primary amines.2
Other Notes
Analytical reagent for the determination of amino acids and peptides, amines, indoles, hydrazines and hydrogen peroxides; spray reagent for tryptophan3,4; For the determination of tryptophan in proteins5; Used in microbiology as test reagent for the identification of indole-producing microorganisms.; For Kovacs reagent dissolve 10 g 4-dimethylamino-benzaldehyde in 150 mL 1-pentanol and add 50 mL hydrochloric acid conc.
Molecular Spectra
No Data Available
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References
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