CYASORB UV-3638 CAS 18600-59-4

CAS: 18600-59-4

Molecular Formula: C22H12N2O4

Molecular Weight: 368.34

EINECS: 418-280-1

Synonyms: 2,2'-(1,4-PHENYLENE)BIS-4H-3,1-BENZOXAZIN-4-ONE18600-59-4UV-3638; 18600-59-4UV-36382,2'-Benzene-1,4-diylbis(4H-3,1-benzoxazin-4-one); CyasorbUV-36382,2'-(1,4-PHENYLENE)BIS-4H-3,1-BENZOXAZIN-4-ONE; -(1,4-PHENYLENE)BIS-Chemicalbook4H-3,1-BENZOXAZIN-4-ONE

Leave Your Message

Product Detail

Download

Product Tags

What is CYASORB UV-3638 CAS 18600-59-4?

Light stabilizer 3638 is of high molecular weight, low volatility and colorless stain. Especially suitable for high transmittance color requirements of the optical industry. Light stabilizer 3638 has a high thermal stabilizer with a TGA(10%) greater than 371 degrees Celsius. Light stabilizer 3638 is a new generation of environmentally friendly and efficient ultraviolet absorber. For UVB,UVC has high efficiency absorption.

Specification

Item	Specification
Melting point	315-317 °C
Boiling point	522.8±20.0 °C(Predicted)
Density	1.41±0.1 g/cm3(Predicted)
Vapor pressure	0-0Pa at 20-25℃
Water solubility	112μg/L at 20℃
Acidity coefficient (pKa)	1.98±0.20(Predicted)
LogP	4.7 at 22℃

Application

UV-3638 is high molecular weight, low volatility, colorless pollution. It is especially suitable for the optical industry that requires the transmittance color, such as PET,PC optical material lenses, light diffuser of backlit liquid crystal display devices, etc. Uv-3638 provides very strong and extensive UV absorption, colorless pollution. The UV-3638 is suitable for thermoplastic polyester, nylon, and defense industries with high processing temperatures and strict requirements for UV absorption.