4-(Dimethylamino)benzaldehyde for the determination of hydro

Name: 4-(Dimethylamino)benzaldehyde
Synonymn: Ehrlich’s reagent
Description: for the determination of hydroxyproline, ≥99.0% (HPLC)

Container Type: Glass Bottle

Molar Mass: 149.19 g/mol

Empirical Formula: C₉H₁₁NO
Linear Formula: (CH₃)₂NC₆H₄CHO

CAS Number: 100-10-7
Bielstein Registry Number: 606802
EC Number: 202-819-0
MDL Number: MFCD00003381
RTECS Number: CU5775000
UNSPSC Code: 12000000

SPECIFICATIONS

Assay (HPLC): min. 99.0 %
Melting point: 73 - 75 °C
Loss on drying: max. 0.5 %
Colour of the solution: complying
Turbidity of solution: complying
Residue on ignition (as SO₄): max. 0.1 %
Identity (NMR): complying
Application test: complying
Calcium (Ca): max. 30 ppm
Cadmium (Cd): max. 5 ppm
Cobalt (Co): max. 5 ppm
Chromium (Cr): max. 5 ppm
Copper (Cu): max. 5 ppm
Iron (Fe): max. 10 ppm
Potassium (K): max. 50 ppm
Magnesium (Mg): max. 5 ppm
Manganese (Mn): max. 5 ppm
Sodium (Na): max. 50 ppm
Nickel (Ni): max. 5 ppm
Lead (Pb): max. 5 ppm
Zinc (Zn): max. 5 ppm
Total S (as SO₄): max. 50 ppm
Chloride (Cl): max. 50 ppm



PHYSICAL PROPERTIES

Ignition Residue: ≤0.1% (as SO₄)
Boiling Point: 176 - 177 °C
Freezing Point: 72 - 75 °C



SAFETY INFORMATION

Flashpoint: 164 °C

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