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3-Hydroxyphenylphosphinyl-propanoic acid CAS 14657-64-8 CEPPA
Chemical name: 3-Hydroxyphenylphosphinyl-propanoic acid
Synonymous names:
2-Carboxyethyl(phenyl)phosphinicacid
2-CARBOXYETHYL(PHENYL)PHOSPHINIC ACID
CEPPA
3-Hydroxyphenylphosphinyl-Prop
3-HPP
TC-HPA
CAS No: 14657-64-8
Molecular formula: C9H11O4P
Appearance: White powder or crystal
Purity: ≥99%
Molecular weight: 214.15
EINECS No: 411-200-6
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Structural formula：
Product Description：
| Index | Specifications |
| Appearance | White crystal or powder |
| Main content(HPLC) | 99.0MIN |
| Melting point | 158.0- 162.0 °C |
| Phosphorus Content | 14.0-14.8 |
| Acid value,(mgKOH/g) | 0.979—0.992 |
| Moisture,% | 0.5MAX |
| Cl, % | 0.05MAX |
| Fe,% | 0.005MAX |
| Transmittance 300nm450nm | 93%98% |
Properties and Usage:
1. Photosensitizer application:
3-Hydroxyphenylphosphonopropionic acid exhibits excellent photosensitizing properties due to the presence of hydroxyl and phosphono groups in its molecular structure. This compound can generate active free radicals when excited by ultraviolet light, thereby triggering photochemical reactions. Therefore, it is widely used as a key component of photosensitive materials, photosensitive films, photoresists and photosensitive resins, and plays an important role in industries such as printing, semiconductor and microelectronics manufacturing.
2. Chemical synthesis intermediates:
As an intermediate in organic synthesis, 3-hydroxyphenylphosphonopropionic acid participates in a variety of important chemical reactions, such as acylation, carbonylation, and olefin polymerization. Its phosphono group can serve as an effective nucleophile, participate in nucleophilic substitution reactions, and help synthesize a variety of organic molecules with specific structures and functions. This characteristic makes it have broad application prospects in pharmaceuticals, fine chemicals and new material research and development.
3. Flame retardant application:
3-Hydroxyphenylphosphonopropionic acid also has significant flame retardant properties and is commonly used as a flame retardant additive in various polymers, plastics and coatings. This compound can effectively improve the flame retardant properties of materials and reduce fire risks, especially in the production of permanent flame retardant polyester products such as polyester chips, filaments, staple fibers, fabrics and films. The flame-retardant polyester products produced have good hue, excellent spinnability, high strength and good dyeability. At the same time, they show excellent thermal stability during the spinning process and will not decompose or produce odor. The product Good antistatic properties.
Packing:This product is packed in cardboard drums, lined with plastic bags and cartons, net weight 25 kg. It can also be customized according to customer requirements
Storage conditions:This product should be stored in a dry and cool environment, avoid high temperature during storage and transportation, and pay attention to waterproof and moisture-proof. When handling this product, avoid strong rubbing to prevent damage to the package.
