PRODUCT CODE:

121293

4-(Dimethylamino) Benzaldehyde PA

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C₉H₁₁NO

M.= 149,19	CAS [100-10-7]	EINECS 202-819-0
NC 2922 39 00

SYNONYMS: Ehrlich’s Reagent · 4-Dimethylaminobenzenecarbonal · p-Dimethylaminobenzaldehyde ·
PHYSICAL DATA: Yellowish-white crystalline powder , turns pink on exposure to light · Solubility in water at 20 ° C 0,3 g/l . Soluble in methanol , acetic acid and ether · M. P.: 74 ° C ·
APPLICATIONS: Analytical reagent: RFE · USP 25 · BP · Ph. Eur. IV · Reagent for anthranilic acid , antipyrine , indole , tryptophane , albumin and other nitrogen containing compounds · Used for the determinations of urea and urobilinogen in blood · Spray reagent for tryptophane detection in T.L.C. ; J. E. Darney , S. R. Harvey , T. S. Hermann , J. Chromatography , 45 , 82 (1968) ; H. Falter et al. , Anal. Biochem. , 67 , 359 (1975) · For the determination of tryptophan in proteins ; A. Bourgois , M. Bourgerau , C. de Preval , Eur. J. Biochem. , 24 , 446 (1972) · Colorimetric determination of pyrroles and amides ; J. Am. Chem. Soc. , 86 , 2441 (1964) · 
Synthesis reagent: Used for the conversion of Grignard reagent to aldehydes ; J. Org. Chem. , 25 , 1691 (1960) ; 27 , 279 (1962) ·
BIBLIOGRAPHY: Merck Index 12 , 3280 13 , 3257 · Sax DOT 400 · Safety 2 , 1331 C · Römpp 8 , 966 · Beilstein 14 , 31 I , 360 II , 23 III , 58 IV , 51 · BRN: 606802 · Fieser 1 , 273 2 , 146 · ACS IX , 277 X , 292 ·

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HAZARDOUS: RTECS: CU 5775000 · LD L₀ orl rat 500 mg/Kg ·

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SPECIFICATIONS:

Minimum assay (G.C.)	99,0 %
Identity	IR p/t.
Melting range	73-75°C
MAXIMUM LIMIT OF IMPURITIES
Insoluble matter in HCl	p/t.
Residue on ignition (as SO4)	0,1 %
Metals by ICP [mg/Kg (ppm)]
Ca	50
Cd	5
Co	5
Cr	5
Cu	5
Fe	100
K	50
Mg	5
Mn	5
Na	500
Ni	5
Pb	5
Zn	50