CYASORB UV-3638 CAS 18600-59-4

CAS:18600-59-4
MF:C22H12N2O4
MW: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)

CAS: 18600-59-4
MF: C22H12N2O4
CYASORB UV-3638 CAS 18600-59-4
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What is CYASORB UV-3638 CAS 18600-59-4?

Light stabilizer 3638 is a new generation of environmentally friendly and efficient ultraviolet absorber. For UVB,UVC has high efficiency absorption. 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.

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 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. High molecular weight, low volatility, colorless stain. 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.

Packaging

25kg/drum or according to customer requirements.

CYASORB UV-3638-pack

Related keywords

CyasorbUV-36382,2′-(1,4-PHENYLENE)BIS-4H-3,1-BENZOXAZIN-4-ONE; -(1,4-PHENYLENE)BIS-Chemicalbook4H-3,1-BENZOXAZIN-4-ONE; 2-[4-(4-oxo-3,1-benzoxazin-2-yl)phenyl]-3,1-benzoxazin-4-one; 1-Benzoxazin-4-one,2,2’-(1,4-phenylene)bis-4H-3; 2,2′-(1,4-PHENYLENE)BIS-4H-3,1-BENZOXAZIN-4-ONE; 2,2′-(p-Phenylen)di-3,1-benzoxazin.

CYASORB UV-3638 CAS 18600-59-4
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