33130
4-(二甲基氨基)苯甲醛
≥99% (perchloric acid titration), puriss. p.a., reag. Ph. Eur.
别名:
Ehrlich 试剂
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关于此项目
线性分子式:
(CH3)2NC6H4CHO
化学文摘社编号:
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
产品名称
4-(二甲基氨基)苯甲醛, puriss. p.a., reag. Ph. Eur., ≥99% (perchloric acid titration)
Agency
USP/NF
reag. Ph. Eur.
质量水平
等级
puriss. p.a.
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
与吡咯和伯胺反应生成有色缩合产物(席夫碱)。
4-(Dimethylamino)benzaldehyde in micelle (sodium dodecyl sulphate) containing medium may be used for the quantification of hydroxyproline in meat samples by spectrophotometric methods.
警示用语：
Warning
危险声明
危险分类
Skin Sens. 1B
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
327.2 °F - closed cup
闪点(°C)
164 °C - closed cup
个人防护装备
Eyeshields, Gloves, type N95 (US)
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)
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)
Jun-Min Guo et al.
Journal of agricultural and food chemistry, 58(11), 6556-6561 (2010-05-15)
A simple colorimetric method for the differentiation of indoleacetic acid (IAA) and indolebutyric acid (IBA) in plant samples is described. The color change is based upon the reaction between the auxins and p-(dimethylamino)benzaldehyde (PDAB, Ehrlich reagent) following the electrophilic substitution
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
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