4-(Dimethylamino)benzaldehyde for the determination of hydroxyproline, ≥99.0% (HPLC)

Properties

Related Categories	Aldehydes, Amines, Amino Acids, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Aromatic Amines, Building Blocks, C-D, Puriss p.a., C9, Carbonyl Compounds, Chemical Synthesis, Derivatization Reagents, Derivatization Reagents HPLC, Derivatization Reagents TLC, HPLC Derivatization Reagents, by Application, Hydrazines, Indoles, Organic Building Blocks, Peroxides, Proteins & Peptides, Puriss p.a., TLC Reagents, D-F, TLC Visualization Reagents (alphabetic sort), TLC Visualization Reagents (by application), UV-VIS More...
assay	≥99.0% (HPLC)
quality	for the determination of hydroxyproline
ign. residue	≤0.1% (as SO₄)
loss	≤0.5% loss on drying
mp	72-75 °C(lit.)
	73-75 °C
anion traces	chloride (Cl^-): ≤50 mg/kg
	sulfate (SO₄^2-): ≤50 mg/kg
cation traces	Ca: ≤10 mg/kg
	Cd: ≤5 mg/kg
	Co: ≤5 mg/kg
	Cr: ≤5 mg/kg
	Cu: ≤5 mg/kg
	Fe: ≤10 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

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Description

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 tryptophan^3,⁴; 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.

Price and Availability

Related Papers

4. Sequence determination of peptides by mass spectrometry: methods for combining "wet" separation techniques with mass spectrometry. H. Falter et al. Anal. Biochem. 67, 359, (1975)

Documents

Certificate of Analysis

FT-IR Raman

FT-NMR

Safety Information

Personal Protective Equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK Germany	1
RTECS	CU5775000
Flash Point(F)	327.2 °F
Flash Point(C)	164 °C

Technical information & documentation associated with this product is available in the Safety & Documentation tab.

Papers

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1. J. Org. Chem. 59, 6038, (1994)

2. J. Am. Chem. Soc. 116, 3760, (1994)

3. J.E. Darney, S.R. Harvey, T.S. Hermann J. Chromatogr. A 45, 82, (1968)

4. Sequence determination of peptides by mass spectrometry: methods for combining "wet" separation techniques with mass spectrometry. H. Falter et al. Anal. Biochem. 67, 359, (1975)

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5. Sequence of amino acids of the NH 2 -terminal region of a mouse-clonal immunoglobulin heavy chain. A. Bourgois, M. Fourgerau, C. de Preval Eur. J. Biochem. 24, 446, (1972)

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Merck 14,3230

Beil. 14,IV,51

Fieser 1,273 / Fieser 2,146

Aldrich MSDS 1, 743:C / Corp MSDS 1 (1), 1331:C / FT-IR 2 (2), 2531:C / FT-IR 1 (2), 112:B / FT-NMR 1 (2), 943:C / IR-Spectra (3), 915:E / IR-Spectra (2), 801:C / NMR-Reference 2 (2), 111:A / RegBook 1 (2), 1719:B / Sax 6, 1109 / Stains and Dyes Ref, 259 / Structure Index 1, 273:A:1 / Vapor Phase 3, 1292:A