85-5013-20　2-Phospho-L-ascorbic Acid Trisodium Salt 10g　CAS No:66170-10-3,Free acid: 23313-12-4　419090

特徴

• 2-Phospho-L-ascorbic Acid Trisodium Salt is a long-lasting vitamin C derivative used in studies of gene repression. Maximizes the benefical properties of vitamins C for personal care and a main active ingredient in medicated cosmetics for whitening. Also, it is substrate in the chromoamperometric method to detect tungsten in water.
• Synonyms:Ascorbic Acid Phosphate Sodium Salt; L-Ascorbic Acid 2-(Dihydrogen Phosphate) Trisodium Salt; Sodium Ascorbyl Phosphate; Stay-C 50; Trisodium Ascorbate-2-phosphate; VCP-NA
• Molecular Formula:C₆H₆Na₃O₉P
• Molecular Weight:322.05
• Appearance:Supplied as white solid
• Purity:≥95%
• Melting Point:>197ºC (dec)
• Solubility:Acidic DMSO (Slightly), Water (Slightly)
• Atmosphere:Inert Gas
• Method for Determining Identity:Proton NMR (DMSO-d6 + DCl), 31P NMR (DMSO-d6 + DCl) and Mass Spectrometric Analysis
• TLC Conditions:C18: Acetonitrile: Methanol: Water=8:1:1; Visualized with UV and KMnO4; Single Spot, Rf=0.35
• Elemental Analysis:Calculated: %C: 22.38; %H: 1.88
• Sodium Content (Ion Chromatography:As Reported
• Specific Rotation:+58.1º (c=0.5, Water)
• Water Content:As Reported
• Storage and Stability:May be stored at RT for short-term only. Long-term storage is recommended at -20°C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Hygroscopic. Store under inert atmosphere.
• Important Note:This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
• Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.