GOYENCHEMUV-328 Benzotriazole UV Absorber CAS No.25973-55-1

Description

Intro

GO YEN CHEMICAL INDUSTRIAL CO., LTD. (GYC GROUP) is a leading manufacturer of specialty chemicals in Asia. We devote ourselves to supplying products and solutions to our customers worldwide to satisfy and expand the market needs.

GOYENCHEMUV-328 is a light absorber that possesses excellent UV absorption. It can be applied to polyolefins, polyesters, PVC, and coatings. It also has good compatibility with polymers.

Chemical Name:2-(2’-hydroxy-3’,5’-di-t-amylphenyl)benzotriazole

Molecular Weight: 351.5

CAS No.: 25973-55-1

 

Properties:

Grade	GOYENCHEMUV-328
Appearance	Pale light yellowish powder
Melting point	80-88°C
Clarity of solution (10g/100ml Toluene)	Clear
Color of solution (5g/100ml Toluene) (Transmission)	460nm 97.0% min 500nm 98.0% min 590nm 99.0% min
Specific Gravity (at 20°C)	1.17
Loss on drying	0.3% max
Assay (by GC)	99.0% min
Ash	0.1% max

 

Solubility:

(g in 100 ml solvent, 20°C)

Acetone	6
Methanol	16
Chloroform	44
n-Hexane	16
Ethylacetate	16

 

Advantages:

• Benzotriazole UV Absorber
• 300-400nm Wavelength
• It can be used in high polymer
• Excellent Solubility
• Anti-yellowing
• Prevent from Brittle and Chapping 

 

Applications and Dosage

GoyenchemUV-328 is Suitable for food contact applications.

Applications	Dosage
TPU, PU, Leather	0.3-1%. Combine with GOYENCHEMUV-765, can have a synergistic effect.
PU foaming	0.5-2%. Combine with GOYENCHEM-1268, can have a synergistic effect.
Coating, powder coating	1-2%
*Exterior, and interior paint *Epoxy resin, Adhesive,   Car coating, *PE, PVC, ABS, ACRYLIC,   EVA….etc	Please feel free to contact us for detailed information

 

Other UV Absorber products   

GOYENCHEMUV-W series

GOYENCHEMUV-P series

GOYENCHEMUV-N series

GOYENCHEMUV-3/5/6/7/9 series

GGK series

 

Package/Storage:              

20KG/bag ; 50KG/bag
Please keep it in seal container and keep it in a dry place, and please avoid sunshine.