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Merck
CN

33130

Sigma-Aldrich

4-(二甲基氨基)苯甲醛

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

别名:

Ehrlich 试剂

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About This Item

线性分子式:
(CH3)2NC6H4CHO
CAS号:
分子量:
149.19
Beilstein:
606802
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.21

Agency

USP/NF
reag. Ph. Eur.

质量水平

等级

puriss. p.a.

检测方案

≥99% (perchloric acid titration)

灼烧残渣

≤0.1% (as SO4)

缺失

≤0.5% loss on drying

mp

72-75 °C (lit.)
73-75 °C

溶解性

ethanol: 0.1 g/10 mL

痕量阳离子

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

SMILES字符串

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

InChI key

BGNGWHSBYQYVRX-UHFFFAOYSA-N

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一般描述

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.

应用

4-(Dimethylamino)benzaldehyde in micelle (sodium dodecyl sulphate) containing medium may be used for the quantification of hydroxyproline in meat samples by spectrophotometric methods.
与吡咯和伯胺反应生成有色缩合产物(席夫碱)。

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Skin Sens. 1B

WGK

WGK 1

闪点(°F)

327.2 °F

闪点(°C)

164 °C

个人防护装备

Eyeshields, Gloves, type N95 (US)


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Determination of pyrrole derivatives and hydroxyproline with 4-(dimethylamino) benzaldehyde in a micellar medium.
Esteve-Romero JS, et al.
Analytical Letters, 27(8), 1557-1567 (1994)
Kawski A, et al.
Chemical Physics Letters, 448(4), 208-212 (2007)
4-(Dimethylamino) benzaldehyde.
Gao B and Zhu J-L.
Acta Crystallographica Section E, Structure Reports Online, 64(7), 1182-1182 (2008)
C Creuzenet et al.
The Journal of biological chemistry, 275(45), 34873-34880 (2000-08-24)
FlaA1 is a small soluble protein of unknown function in Helicobacter pylori. It has homologues that are essential for the virulence of numerous medically relevant bacteria. FlaA1 was overexpressed as a histidine-tagged protein and purified to homogeneity by nickel chelation
M Stefek et al.
Biochimica et biophysica acta, 1502(3), 398-404 (2000-11-09)
In the present work, pepsin digests of tail tendons from streptozotocin-diabetic rats were found to contain material that reacted rapidly at room temperature with p-dimethylaminobenzaldehyde (Ehrlich's reagent) to give an adduct with an absorbance spectrum characteristic of the Ehrlich chromogen

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