4-(Diethylamino)-2-hydroxybenzaldehyde
Physical & Chemical Properties
| Product Category | Aromatic acid Pharmaceutical Intermediate | ||||||
| Appearance | Grayish red powder | ||||||
| Melting Point | 60-64℃ | ||||||
| Solubility | DMSO (Slightly), Methanol (Slightly) | ||||||
| Water Solubility | Insoluble in water | ||||||
| Density | 1.133 | ||||||
| Boiling point | 328.3℃ at 760 mmHg | ||||||
| Refractive index | 1.601 | ||||||
| Flash Point | 152.3℃ | ||||||
| Vapour Pressure | 0.0001mmHg at 25℃ | ||||||
| pKa | 8.29±0.10(Predicted) | ||||||
Product Description
4-(Diethylamino)-2-hydroxybenzaldehyde is a high-purity organic intermediate characterized as a yellow to brown crystalline powder. This versatile aromatic aldehyde is a cornerstone in the synthesis of fluorescent dyes, laser dyes, and pH-sensitive probes. Its unique structure, featuring both an electron-donating diethylamino group and a reactive hydroxyl group, makes it an ideal building block for creating coumarin derivatives and advanced functional materials. Widely utilized in biochemical imaging and chemical sensing, this product ensures superior optical performance and reactive precision for high-end research and industrial applications.
Product Features
Superior Fluorogenic Precursor: Excellent for synthesizing high-quantum-yield fluorescent markers and organic optical materials.
High Synthetic Reactivity: The ortho-hydroxy aldehyde structure enables efficient condensation reactions to form complex heterocyclic compounds.
Premium Purity Level: Typically refined to 98% or higher, ensuring minimal background interference in sensitive optical applications.
Dual-Functionality: Combines amino-donor and hydroxy-acceptor groups, perfect for developing "Push-Pull" type chromophores.
Consistent Physical State: Stable crystalline form with a melting point of approximately 62 to 66 degrees Celsius for easy processing.
Broad Solvent Compatibility: Highly soluble in common organic solvents like ethanol and chloroform for flexible lab use.
Packaging & Specifications
Packaging Specifications
Sample packaging: 1g/5g/10g in glass bottles (with inner sealing);
Bulk packaging: 25kg in cardboard drums (inner packaging with vacuum aluminum foil bags).
Packaging Customization
Neutral packaging or customer-specified brand packaging is supported; prior communication and confirmation are required.
Storage Conditions
Store in a cool and dark environment (temperature < 15°C), sealed under an inert gas atmosphere. Avoid contact with oxidizing agents and prevent moisture absorption.
Shelf Life
18 months shelf life when stored in original packaging (sealed condition).
Quality Compliance & Assurance

Supply Service & Description
Supply Capacity
Supply capacity: Annual production capacity of 50 tons. Popular products are usually in stock (in-stock orders shipped within 72 hours); customized orders are delivered within 7-15 working days based on process requirements.
Shipping options
Samples: DHL/UPS international express (3-7 days delivery);
Bulk cargo: Cooperate with logistics providers (e.g., Maersk) via sea/air freight. Full set of customs declaration documents are provided to ensure compliant customs clearance.
Payment terms
Sample orders: 100% prepayment;
Bulk orders: T/T (30% deposit, 70% payment against copy of bill of lading). L/C payment terms are negotiable.
Related & Extended Content
Recommended related products
(R)-3-Boc-aminopiperidine (CAS: 309956-78-3), Alogliptin benzoate (CAS: 850649-62-6)
Frequently Asked Questions(FAQ)
Q1: Is the product's chiral purity stable for large - scale production?
A1: The chiral purity remains ≥99% in mass production, and we provide chiral detection reports for each batch.
Q2: Can samples be provided before bulk procurement?
A2: Free 1g samples are available, and customers only need to bear the shipping cost.














