Detailed Arbutin Description:
Hydroquinone-b-d-glucopyranoside;
Cas no: 497-76-7;
Molecular formula: c12h16o7;
Molecular weight: 272. 25;
English name: arbutin, arbutosie, ursin, uresol;
Appearance white needle crystal or powder;
Assay 99. 5% min;
Melting point 199-201 deg. C) ;
Loss on drying 0. 5% max;
Heavy metals 0. 001% max;
Arsenic 0. 0001% max;
Iron 0. 001% max;
Hydroquinone 0. 001% max;
Ph value 5. 0-7. 0 in 1% aqueous solution;
Clarity of water solution transparency, colorless;
Specific optical rotation d 20 =-66;
Infrared signature peak 1515cm-1 1220cm-1 1050 cm-1;
Microbiological test:
Bacteria 300cfu / g max;
Fungus 100cfu / g max.
- Products ID: 26733
- Product Category: Antineoplastic
- Post date: Nov 26, 2008
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