4-(Dimethylamino)benzaldehyde

• Catalog No.: 39070
• CAS Number: 100-10-7
• M. F.: C9H11NO
• M. W.: 149.18974
• Purity: ≥99.0% (HPLC)

SYNONYMS

• Title: 4-(二甲基氨基)苯甲醛
• IUPAC name: 4-(dimethylamino)benzaldehyde
• IUPAC Traditional name: para-dimethylaminobenzaldehyde
• Synonyms: Ehrlich’s reagent; Ehrlich 试剂

DATABASE IDS

• Beilstein Number: 606802
• PubChem SID: 24864339
• CAS Number: 100-10-7
• MDL Number: MFCD00003381
• EC Number: 202-819-0

PROPERTIES

• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤50 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤5 mg/kg
• Cation Traces: Cr: ≤5 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤10 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Na: ≤50 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Ignition Residue: ≤0.1% (as SO4)
• Linear Formula: (CH3)2NC6H4CHO
• Loss on Drying: ≤0.5% loss on drying
• Purity: ≥99.0% (HPLC)
• Quality: for the determination of hydroxyproline
• Flash Point: 164 °C
• Flash Point: 327.2 °F
• Melting Point: 72-75 °C(lit.)
• Melting Point: 73-75 °C
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: CU5775000
• German water hazard class: 1

DETAILS

Description (English)

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 tryptophan3,4; 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.

Description (简体中文)

Application
与吡咯1和伯胺2反应生成有色缩合产物(席夫碱)。
Other Notes
检测氨基酸、肽、胺、吲哚、肼和过氧化氢的分析试剂；色氨酸的显色剂3,4；用于检测蛋白质中的色氨酸5；鉴定吲哚生成微生物的测试试剂。对于 Kovacs 试剂，在 150mL 1-戊醇中溶解 10g 对二甲氨基苯甲醛，并加入 50mL 浓盐酸