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p ure bulk k ojic a cid d ipalmitate powder
1。 Kojic Acid Dipalmitateの利点：
*光と熱に対するコジ酸の不安定性、および金属イオンの変色を克服します。
*その分子構造にグループが存在しないため、化粧品システムの防腐剤、日焼け止め、またはその他の有効成分との水素結合は形成されず、これらの添加剤の有効性に影響を与え、優れた複合特性を持っています。
*肌によく吸収される良好な脂肪溶解度。
2. Kojic Acid DipalmitateのCOA：
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Product Name：Kojic Acid Dipalmiate Powder |
|
|
CAS No.：501-30-4 |
Production No.： Youth 20210812 |
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Production Date： 20220503 |
Analysis Date：30220503 |
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Production Preservation: Storage out of sunlight , sealed for two years |
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Item |
Specification |
Results |
|
Appearance |
White or off white crystal |
Whit or off white crystal |
|
Assay |
≥99.0% |
99.60% |
|
Melting point |
152~156℃ |
154.8~154.9℃ |
|
Loss on drying |
≤0.5% |
0.09% |
|
Ignition residue |
≤0.1% |
0.07% |
|
Chloride |
≤50ppm |
25ppm |
|
Alfatoxin |
Not detectable |
Not detectable |
|
Heavy metal |
≤3ppm |
＜0.1ppm |
|
Arsenic |
≤1ppm |
＜0.1ppm |
|
Ferrum |
≤10ppm |
7ppm |
|
Conclusion |
Conform |
|
QC： Guo Shan QA： Feng Li
3.溶解度：
すべてが水に不溶性、油、プロピレングリコールなどに溶けます。
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