Basic Information

Product Name: p-Hydroxybenzaldehyde
CAS No.: 123-08-0
Molecular Formula: C₇H₆O₂
Molecular Weight: 122.12
Category: Aromatic aldehyde containing both phenolic hydroxyl and aldehyde groups

Product Description

p-Hydroxybenzaldehyde is an aromatic aldehyde with both a hydroxyl group and an aldehyde group on the benzene ring. It appears as a white crystalline powder with a mild aromatic odor. Known for its reactive functional groups, the product is widely used in pharmaceuticals, fragrances, dyes, and polymer modification.

Typical Properties

Product Applications

1) Pharmaceutical Intermediate

• Used in the synthesis of p-hydroxypropiophenone and coumarin derivatives

• Applied in antibacterial and anti-inflammatory drug intermediates

• Suitable for condensation, ring-closure and chain-extension reactions

2) Flavors & Fragrances

• Used for floral and woody fragrance formulations

• Key raw material in the production of vanillin and related aroma chemicals

3) Dye Intermediate

• Applied in the preparation of azo dyes and specialty dye intermediates

4) Polymer & Material Applications

• Functions as a monomer or functional additive in resins and polyesters

• Used in the preparation of antioxidants and stabilizers

5) General Organic Synthesis

• Raw material for Schiff base formation, hydrazones and ester derivatives

Packaging & Storage

Packaging: 25 kg paper bags or fiber drums; customized packaging available
Storage:

• Keep in a cool, dry, and well-ventilated place

• Protect from moisture and direct sunlight

• Store away from strong oxidizing agents
  Transport: Non-hazardous for transportation; handle with normal care

FAQ

1. What are the main applications of p-Hydroxybenzaldehyde?

It is mainly used in pharmaceutical intermediates, fragrance synthesis, dye intermediates, and polymer modification. It is also a key raw material for vanillin and various coumarin-type compounds.

2. What purity grades are available?

The commonly supplied grade is ≥99%, suitable for industrial and intermediate use. Higher purity grades may be available depending on the supplier.

3. Is it soluble in water?

Its solubility in cold water is limited, but it dissolves well in hot water and is fully soluble in organic solvents such as ethanol, ether, and methanol.

4. Are there special storage conditions?

Store the product in a dry, cool, and shaded place. Keep the container tightly sealed and avoid contact with strong oxidizing agents.

5. Any precautions during transportation?

It is classified as a general chemical. Avoid moisture, direct sunlight, and heavy impact during transport.

6. Does it pose any safety concerns?

It may cause mild irritation to eyes and skin. Protective gloves and goggles are recommended during handling. If contact occurs, rinse with plenty of water.

7. Can it be used in food or personal care products?

This product is intended for industrial and chemical synthesis only. Its use in food or personal care applications depends on local regulations and should be evaluated carefully.

8. Do you support customized packaging or bulk supply?

Yes. Standard packaging is 25 kg per drum/bag, and customized packaging or large-volume supply can be arranged.