Newly Arrival Introducing The New Advanced UV Absorber UV-531 by Suqian Liansheng with Customizable Options
Our well-equipped facilities and great excellent command throughout all stages of generation enables us to guarantee total customer fulfillment for Newly Arrival Introducing The New Advanced UV Absorber UV-531 by Suqian Liansheng with Customizable Options, Our products and solutions delight in fantastic popularity among the our buyers. We welcome prospects, company associations and close friends from all areas of your world to get in touch with us and seek out cooperation for mutual gains.
Our well-equipped facilities and great excellent command throughout all stages of generation enables us to guarantee total customer fulfillment for , Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.
There are many kinds of ultraviolet absorbers, among which phenylketone ultraviolet absorbers are widely used and have great practical research value. Avobenzone is a kind of benzone ultraviolet absorbent, and is also a very important organic synthesis intermediate.
|
ITEM |
STANDARD |
RESULT |
|
Appearance |
White to pale yellow powder |
Pale yellow powder |
|
Identity(IR) |
Matches reference spectrum |
Conform |
|
Identity (Retention time) |
Matches reference retention time |
Conform |
|
UV specific extinction |
1100-1180 |
1170 |
|
Melting point |
81.0℃-86.0℃ |
83.8℃-84.6℃ |
|
Chromatographic purity(GC) |
Each impurity ≤3.0% |
1.2% |
|
Total impurities ≤4.5% |
1.4% |
|
|
Residual solvents |
Methanol ≤3000ppm |
Conform |
|
Toluene ≤890ppm |
Conform |
|
|
Microbial purity |
Total amount of aerobe ≤100CFU/g |
Conform |
|
Total yeast and moulds ≤100CFU/g |
Conform |
|
|
Loss on drying |
≤0.5% |
0.03% |
|
Assay(GC) |
95.0-105.0% |
100.1% |
Avobenzone is a synthetic ultraviolet absorber, which is a good UV-A (>320nm) ultraviolet absorber. It can block UVA at full wavelength (320-400nm). It is an efficient broad-spectrum oil-soluble UVA filter. It can provide all UVA and UVB protection when combined with other UVB sunscreen agents to prevent skin cancer caused by light.
25kg carton or requirement of clients. Keep it away from light at a temperature below 25℃.
Our well-equipped facilities and great excellent command throughout all stages of generation enables us to guarantee total customer fulfillment for Newly Arrival Introducing The New Advanced UV Absorber UV-531 by Suqian Liansheng with Customizable Options, Our products and solutions delight in fantastic popularity among the our buyers. We welcome prospects, company associations and close friends from all areas of your world to get in touch with us and seek out cooperation for mutual gains.
Newly Arrival Light Stabilizer and UV Absorber, Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.
