Citric Acid Anhydrous is a tricarboxylic acid widely found in citrus fruits. It is used as an excipient in different pharmaceutical products owing to excellent antioxidant properties. This is ideal for maintaining the stability of active ingredients. It is also used as a preservative and acidulant for controlling the pH level. In addition, it is also used as an anticoagulant in blood. It is provided in colorless, odorless crystal form. This is also used as a food acidity regulator, an antimicrobial agent and a metabolite.
Specifications
Citric Acid Anhydrous Usp |
|
Code Number |
67174 |
Synonym |
Tricarboxylic Acid Anhydrous |
CAS No. |
77-92-9 |
Molecular Formula |
C6H8O7 |
Molecular Weight |
192.13 |
Description |
White Crystals Or Cryst. Powder, Odorless, Slightly Hygroscopic In Mois Air |
Solubility |
Very Slightly Soluble In Ether |
Identification |
PER USP |
Clarity Of Solution |
PER USP |
Colour Of Solution |
PER USP |
Water |
MAX 1.0% |
Readily Carbonizable Subs. |
PER USP |
Residue On Ignition |
MAX 0.1% |
Sulphate |
MAX 0.015% |
Oxalic Acid |
MAX 0.036% |
Heavy Metals |
MAX 0.001% |
Residual Solvents |
PER USP |
Assay |
99.5--100.5% |
HALOGENS
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