Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: 4-Dimethylaminobenzaldehyde
CAS Number: 100-10-7
Alias: p-Dimethylaminobenzaldehyde, 4-(N,N-Dimethylamino)benzaldehyde
Molecular Formula: C9H11NO
Molecular Weight: 149.19 g/mol
IUPAC Name: 4-(dimethylamino)benzaldehyde
Structural Information
- Structure Type: Aromatic aldehyde compound, disubstituted benzene derivative
- Structural Features: Benzene ring bonded with aldehyde group and dimethylamino group at para positions. The conjugated structure endows it with special chromogenic property and chemical reactivity.
Physical & Chemical Properties
- Appearance: Yellow to pale yellow crystalline powder
- Odor: Slight characteristic odor
- Melting Point: 72–75 °C
- Boiling Point: 176 °C (17 mmHg)
- Density: 1.097 g/cm3 (20 °C)
- Solubility: Slightly soluble in water; soluble in ethanol, methanol, ether, benzene, chloroform and most organic solvents
- Stability: Stable under normal sealed conditions. Gradually oxidized and discolored under long exposure to air and strong light. Incompatible with strong oxidants, strong acids and reducing agents.
Synthesis & Applications
Synthesis Method
Prepared by reaction of N,N-dimethylaniline with urotropine under acidic condition via Duff reaction. The crude product is recrystallized for purification to obtain high-purity finished product.
Main Applications
- Analytical Chemistry: Classic chromogenic reagent for detecting amino acids, alkaloids, indole and ketone compounds; widely used in qualitative and quantitative analysis.
- Pharmaceutical Intermediates: Raw material for synthesizing anti-inflammatory drugs, anti-malarial drugs and veterinary medicines.
- Dye & Pigment: Important intermediate for producing organic dyes, fluorescent pigments and color developing agents.
- Organic Synthesis: Applied in the preparation of Schiff base, heterocyclic compounds and fine chemical products.
Safety & Storage Instructions
- Hazard Classification: Low toxicity, moderate irritant to skin, eyes and respiratory tract
- Personal Protection: Wear dust mask, safety goggles and chemical resistant gloves. Avoid inhalation of dust and direct contact with skin and eyes.
- Storage Condition: Keep containers tightly sealed. Store in cool, dry and dark well-ventilated area. Keep away from heat sources, air and oxidizing substances.
- Transportation: Classified as general chemicals. Prevent package damage, dampness and prolonged sunlight exposure during transit.
Quality & Spectral Data
- Purity (HPLC): ≥99.0%
- Loss on Drying: ≤0.3%
- Residue on Ignition: ≤0.1%
- Melting Range: 72–75 °C
- IR Spectrum: Characteristic absorption peaks conform to standard reference spectrum
Information Summary Table
| Item | Specification |
| CAS Number | 100-10-7 |
| Product Name | 4-Dimethylaminobenzaldehyde |
| Synonym | p-Dimethylaminobenzaldehyde, 4-(N,N-Dimethylamino)benzaldehyde |
| Molecular Formula | C9H11NO |
| Molecular Weight | 149.19 g/mol |
| Appearance | Yellow crystalline powder |
| Melting Point | 72–75 °C |
| Solubility | Slightly soluble in water; soluble in alcohols, ethers and aromatic solvents |
| Purity | ≥99.0% (HPLC) |
| Storage Condition | Sealed, cool dry dark place, away from oxidants |
| Hazard Property | Low toxicity, moderate irritant |
| Main Usage | Analytical chromogenic reagent, pharmaceutical intermediate, dye raw material |
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