Isophthalic Acid (IPA) CAS 121-91-5
Sinochem is a major Isophthalic Acid supplier. Meanwhile, our firm staffs a group of experts devoted to your development of China Isophthalic Acid.
IPA can be used as an intermediate for high-performance unsaturated polyesters, coating resins, high-solid coatings, gel coatings, and a modifier for polyethylene terephthalate for bottles.
- Versatile Monomer: It is a highly versatile aromatic dicarboxylic acid, crucial as a building block in various polymer syntheses.
- Chemical Resistance: It contributes to enhanced chemical resistance, protecting materials from degradation by various chemicals.
- Broad Application Range: Its advantages lead to a wide range of applications, including unsaturated polyester resins (UPR), PET resins, coatings, and high-performance fibers.
Isophthalic Acid Description
Name: Isophthalic Acid (IPA)
Synonyms: 1,3-benzenedicarboxylic acid / m-Phthalic acid / m-Dicarboxybenzene / Purified Isophthalic Acid (PIA)
Molecular Formula: C8H6O4
Molecular Weight: 166.13
CAS NO.: 121-91-5
Density: 1.5±0.1 g/cm3
Boiling point: 412.3±28.0 °C at 760 mmHg
Melting point: 341-343 °C
Flashing point: 217.3±20.5 °C
Purity: 99%
Appearance: White powder
Solubility: Soluble in ethanol, acetone and glacial acetic acid, slightly soluble in boiling water, insoluble in cold water, almost insoluble in benzene and petroleum ether.
Properties: Flammable, can sublime, slightly soluble in water, insoluble in benzene, toluene and petroleum ether, soluble in methanol, ethanol, acetone and glacial acetic acid.
Package: In 25 kg bags, Packing in plastic bags plus wooden cases.
Storage: Sealed in dry, room temperature.
Safety Protection: Skin contact: Take off all contaminated clothing immediately and wash gently with plenty of soap and water. Get medical attention if you feel unwell. Eye contact: Rinse cautiously with water for several minutes. Get medical attention if eyes become irritated. If inhaled: Move victim to fresh air and keep breathing unobstructed. Get medical attention. If swallowed: Rinse mouth and get medical attention if you feel unwell
Fire protection: Fire extinguishing: Dry powder, foam, water mist, carbon dioxide.
About Us: With over many years as a certified Isophthalic Acid manufacturer, we combine innovation with stringent production standards to deliver high-performance product.
m-Phthalic acid Technical
| Item | Index |
| Appearance | White powder |
| Assay,% | ≥99.0 |
| Ash | ≤15 |
| Moisture | ≤0.10 |
| Purity | ≥99.9 % |
As a certified Isophthalic Acid factory, we adhere to strict quality protocols, with every batch undergoing rigorous testing to ensure consistent efficacy and safety.
1,3-benzenedicarboxylic acid Applications
Isophthalic acid is an intermediate for high-performance unsaturated polyesters, coating resins, high-solid paints, and gel coatings. It is also a modifier for polyethylene terephthalate used in bottles.
