Product Name Beta-Arbutin
M.F. C12H16O7 CAS NO.497-76-7
Items Specification Results
Appearance White crystallize powder Conforms
Assay ≥99.5% 99.9%
Residue on ignition ≤0.5% Conforms
Loss on Drying ≤0.5% Conforms
Melting point 199～201±0.5℃ 199～201℃
Clarity of water solution Transparency, colorless,
none suspended matters Conforms
PH value of 1% aqueous solution 5.0～7.0 5.88
Specific optical rotation 【α】D20＝-66±2°-65.7
IPV 1515cm-11220cm-11050cm-1
±(5～8)cm-1 Conforms
Arsenic ≤2ppm Conforms
Hydroquinone ≤10ppm Conforms
Heavy metal ≤10ppm Conforms
Pathogen Bacteria: ≤300CPU
Fungus: ≤100CPU＜20＜20
Conclusion The result conform with standard
Package: 25kgs/fabric drums with double PE bags
Storage: stored in room temperature and dry place, keep away from strong light and heat.
Shelf time: 2 years
公司简介
杭州雷布科技有限公司座落在杭州市西湖区科技园，企业致力于产、学、研发展创新模式，是一家专业从事生物医药研发、生产和出口的企业，目前已有多家紧密型合作企业。
我们所有的产品均符合国际质量标准，产品销往全球各个区域。
我们始终坚持“客户永远是”的经营理念，深受业界的信任与好评。
我们愿意在“诚信”的基础上与新老客户建立精诚合作，共创美好未来。
Hangzhou Reb Technology Co., Ltd. is specialized in the research, development and production of synthesis and extract products which have widely used in cosmetic , food and pharmaceutical fields, as well as closely cooperating with 5 plants.
We are located in Hangzhou City, Zhejiang Province, with convenient transporta--tion access. As a perfect combination of technology and manufacture, we have experienced teams which focus on product development & design, quality control & inspection.
All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
We always insist on the spirit of "creating a platform for others" . Thus, our corporation has won trusts and compliments from customers. We are looking forward to having good cooperation with new clients around the world on the win-win basis to create a glorious future.
If you are interested in any of our products or would like to discuss a customized order, please feel free to contact us.
