Citric Acid Anhydrous, E330, CAS no.77-92-9, Colorless crystals or white crystalline powder soluble in water, Citric acid is a natural occurring fruit acid, manufacturing process via chemical synthesis. Citric acid is the most widely used organic acid and pH-control agent in foods, beverages and pharmaceuticals applications.

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Citric Acid Anhydrous Specification
Item BP2009 USP32 FCC7 E330 JSFA8.0
Characters Colourless Crystal or White Crystal powder
Identification Pass test
Clarity and Color of solution Pass test Pass test / / /
Light transmittance
Water 1.0% 1.0% 0.5% 0.5% 0.5%
Content 99.5% 100.5% 99.5% 100.5% 99.5%100.5% 99.5% 99.5%
RCS Not exceeding Not exceeding 0.52,T 30% Not exceeding Not exceeding
the standard the standard the standard the standard
Calcium Pass test
Iron
Chloride
Sulphate 150ppm 0.015%0.048%
Oxalates 360ppm 0.036% No turbidity forms 100mg/kg Pass test
Heavy metals 10ppm 0.001% 5mg/kg 10mg/kg
Lead 0.5mg/kg 1mg/kg
Aluminium 0.2ppm 0.2ug/g
Arsenic mg/kg 4mg/kg
Mercury 1mg/kg /
Sulphuric acid ash content