UV Stabilizer UV-1 CAS 57834-33-0

CAS:57834-33-0

Molecular Formula:C17H18N2O2

Molecular Luj:282.34 ib

EINECS:260-976-0 ib

Synonyms:UvAbsorberUv-1> 98.5%; Lub teeb Stablizer UV-1; UV Absorbers; Ultraviolet absorber UV-1; UV Stabilizer UV-1; 4-[(N-methylanilino)methylideneamino]benzoic acid; miletab 1; LOTSORB UV 1

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UV Stabilizer UV-1 CAS 57834-33-0 yog dab tsi?

UV Stabilizer UV-1 muaj cov qauv molecular ntawm C17H18N2O2 thiab molecular hnyav ntawm 282.3. UV Stabilizer UV-1 yog lub teeb daj ua kua nrog noo noo ≤1.0%. Kub taw tes yog 188 ~ 190 ℃ / 13Pa. Tus txheeb ze ntom ntom yog 1.127. Lub viscosity (20 ℃) yog li 4752mPa·s. Solubility:> 50 hauv ethanol,> 50 hauv isopropyl cawv,> 50 hauv butyl acetate, thiab xoom hauv dej.

Specification

Yam khoom	Specification
Acidity coefficient (pKa)	6.94 ± 0.50 (Tshaj tawm)
Boiling point	188 ° C
Qhov ntom	1.05 ± 0.1 g / cm3 (Tshaj tawm)
Vapor siab	78Pa ntawm 25 ℃
Dej solubility	34.7 mg / L ntawm 20 ℃
LogP	4.46 ntawm 25 ℃

Daim ntawv thov

UV Stabilizer UV-1 yog ib qho tshuaj tiv thaiv ultraviolet additive. Uv-1 kuj tseem siv rau hauv cov ntaub ntawv polyurethane xws li ua npuas ncauj, elastomers, tawv, khau, nplaum, coatings thiab lwm yam. Tsis tas li ntawd, UV stabilizer UV-1 muaj peev xwm ua tau zoo txhim kho yellowing kuj ntawm cov khoom.