Citric Acid CAS NO.77-92-9

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【Chemical Name】Citric Acid

【Molecular Formula】 C6H8O7

【Formula Weight】 210.14

【CAS No】77-92-9

【Detection method】HPLC≥98%

【Specifications】20mg  50mg  100mg  500mg  1g   (According to customer demand for packaging)

【shape】colorless crystal

【Extraction of sources】  

This product is extracted from the root or leave of Baphicacanthus cusia (Nees) leaf or stem leaves Bremek, Polygonum Polygonum tinctorium Ait. or Isatis tinctoria L Isatis indigotica Fort.         

【Pharmacological properties】

Melting point: 153 ℃ odorless; a very sour taste; slightly weathering in dry air; water solution is acidic reaction. This product is highly soluble in water, soluble in ethanol, slightly soluble in ether.

【Chromatographic conditions】

the mobile phase: 0.5% to two ammonium hydrogen phosphate and acetonitrile (97:3, adjusted to pH 3 with phosphoric acid) as mobile phase, flow rate was 0.4ml/min; the detection wavelength was 210nm (for reference only)

【Storage method】 2-8 ° C, avoid light preservation

【Attentions】

This product should be stored at low temperature, long time when exposed to air, the content will be reduced.