USD $6.50-6.60 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $8.80-8.80 / Gram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
chemical name : 2-(2'-hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
introduction : uv-327 is a benzotriazole type ultraviolet light absorber (uva), imparting good light stability for plastics and other organic polymers. uv-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.
empirical formula : c17h18n30cl
cas no : 3864-99-1
physical properties
molecular weight : 357.9
appearance : slight yellow powder
melting range : 154-157 °c
flashpoint : 234 °c
specific gravity(20 °c) : 0.37g/cm3
volatility pure substance; tga, heating rate 20 °c /min in air
weight loss (%) |
temperature °c |
1.0 |
190 |
2.0 |
205 |
5.0 |
225 |
volatility pure substance; tga, heating rate 20 °c /min in air
weight loss (%) |
temperature °c |
1.0 |
190 |
2.0 |
205 |
5.0 |
225 |
solubility at 20 °c (g/100ml solvent)
solvent |
solubility |
acetone |
1% |
benzene |
16% |
chloroform |
19% |
cyclohexane |
5.0% |
ethyl acetate |
5.0% |
n-hexane |
4.0% |
methanol |
<0.1% |
methylene chloride |
17% |
water |
<0.01% |