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.
Product Overview
Terephthalaldehyde is an important aromatic dialdehyde compound. It appears as white to pale yellow crystalline powder with a slight aldehyde odor. Featuring high chemical reactivity and stable physical properties, it is widely used in organic synthesis, pharmaceutical intermediates, polymer materials, dyes and chemical reagents. Produced via oxidation, purification and recrystallization, this product has high purity and consistent batch quality. For legitimate industrial production, formulation and scientific research only.
Product Features
- High Purity: ≥99.0% (GC/HPLC), meets industrial grade and research grade standards.
- Dual Aldehyde Groups: Excellent reactivity for condensation, addition and cross-linking reactions.
- Good Compatibility: Reacts easily with amines, alcohols and other functional compounds.
- Moderate Stability: Keeps stable under normal sealed storage conditions.
- Strict Quality Control: Full batch inspection; standard COA and MSDS are available upon request.
Physical & Chemical Properties
Physical Properties
- Appearance: White to pale yellow crystalline powder
- Odor: Slight characteristic aldehyde odor
- Molecular Formula: C8H6O2
- Molecular Weight: 134.13
- Melting Point: 114 – 116 °C
- Boiling Point: 245 °C
- Density: 1.189 g/cm3 (20 °C)
- Solubility: Slightly soluble in water; soluble in ethanol, ether, chloroform and hot organic solvents
- Hygroscopicity: Non-hygroscopic
Chemical Properties
- Chemical Stability: Gradually oxidized into carboxylic acid when exposed to air and light.
- Chemical Reactivity: Undergoes typical reactions of aldehydes, including oxidation, reduction, condensation and polymerization.
- Acid-Base Character: Neutral in conventional environment.
- Incompatibility: Keep away from strong oxidants, strong bases and direct sunlight.
Applications
- Organic Synthesis: Key intermediate for synthesizing heterocyclic compounds and fine chemicals.
- Polymer Industry: Cross-linking agent and monomer for manufacturing high-performance resins and polymer materials.
- Pharmaceutical Industry: Raw material for synthetic drugs and medical intermediates.
- Dye Industry: Intermediate for preparing fluorescent dyes and functional pigments.
- Laboratory Research: Analytical reagent and experimental material for organic chemistry studies.
Usage Restriction: For industrial manufacturing and scientific research use only. Strictly forbidden for illegal processing and improper application.
Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry, dark and well-ventilated warehouse. Keep containers tightly sealed to prevent oxidation. Store separately from oxidants and strong bases. Recommended storage temperature: 10 – 25 °C. Reseal containers immediately after opening.
Transportation Requirements
This product is classified as non-hazardous goods. Adopt light-proof and sealed packaging. Avoid violent collision, extrusion, high temperature and rain soaking during transit. Do not transport together with corrosive substances, oxidants and food.
Operation Notes
Wear dust-proof mask, chemical-resistant gloves and safety goggles. Operate in a well-ventilated area. Avoid inhalation of dust and direct contact with skin and eyes. Rinse thoroughly with plenty of clean water once contact occurs. Do not eat, drink or smoke in the working area.
Regulatory Information
EINECS Number: 210-784-8
HS Code: 2912299090
Complies with international organic chemical standards. Export products follow IATA and IMDG provisions. All transactions are limited to qualified chemical factories, pharmaceutical enterprises and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Terephthalaldehyde |
| CAS NO. | 623-27-8 |
| IUPAC Name | Benzene-1,4-dicarbaldehyde |
| Synonyms | 1,4-Benzenedicarboxaldehyde |
| Molecular Formula | C8H6O2 |
| Molecular Weight | 134.13 |
| EINECS Number | 210-784-8 |
| UN Number | Non-hazardous goods |
| Hazard Class | Irritant |
| Appearance | White to pale yellow crystalline powder |
| Purity | ≥99.0% (GC/HPLC) |
| Water Content | ≤0.2% |
| Melting Point | 114 – 116 °C |
| Boiling Point | 245 °C |
| Density | 1.189 g/cm3 (20 °C) |
| Solubility | Slightly soluble in water; soluble in ethanol, ether |
| HS Code | 2912299090 |
| Storage Temperature | 10 – 25 °C, sealed, dry & light-proof environment |
| Packing Specification | 25kg/fiber drum with inner plastic bag |
| Grade Standard | Industrial Grade / Research Grade |
| Application Scope | Organic intermediate, polymer cross-linking agent, dye raw material, lab reagent |
| Validity Period | 24 Months under specified storage conditions |
