Citric Acid Anhydrous AR Meets Analytical Specification of IP, BP, USP, Ph. Eur. 500 Gram

PRODUCT CODE 496415
SYNONYMS --
C.I. NO. --
CASR NO. (77-92-9)
ATOMIC OR MOLECULAR FORMULA C6H8O7
ATOMIC OR MOLECULAR WEIGHT
192.13
PROPERTIES Strongly acid test; Very soluble in water and
alcohol , soluble in ether. Combustible.

PARAMETER LIMIT
Description A white crystalline powder,Colourless crystals or granules.
Solubility 10% solution in water is clear and colourless.
Identification (By FTIR) Conforms.
Assay (Acidimetric; calc onanhyd. Sub.) 99.5 – 101.0%

MAXIMUM LIMIT OF IMPURITIES
Residue after ignition 0.02%
Water 0.5%
Insoluble matter 0.005%
Chloride (Cl) 0.001%
Phosphate (PO4
) 0.001%
Sulphate (SO4
) 0.002%
Arsenic (As) 0.0001%
Barium (Ba) Passes test.
Calcium (Ca) 0.02%
Iron (Fe) 0.0003%
Lead (Pb) 0.0002%
Heavy metals (as Pb) 0.001%
Oxalate (C2O4
) 0.05%
Oxalic acid 0.035%
Organic volatile impurities Meets the requirement.
Readily carbonisablesubstance Passes test.