Citric Acid
Anhydrous/Mono Hydrate BP,Anhydrous BP93
PROPERTIES & USAGE | ||
Properties | Usage | |
Chemical formula | C6H8O7 | Food and drink |
Boiling point | 310 °C (590 °F; 583 K) decomposes from 175 ° | Cleaning and chelating agent |
Density | 1.665 g/cm3 (anhydrous) | Cosmetics and pharmaceuticals |
1.542 g/cm3 (18 °C, monohydrate) | Other uses | |
Melting point | 156 °C (313 °F; 429 K) | |
Molar mass | 192.12 g·mol−1 |
SPECIFICATION | ||||
Specification | : | ANHYDROUS | MONOHYDRATE | |
CHARACTERS | : | COLOURLESS TRANSLUCENT CRYSTALS OR AS WHITE, FINE, CRYSTALLINE POWDER | Colorless or white crystal | |
IDENTIFICATION | : | PASS TEST | Complies with the limit Test | |
CLARITY AND COLOUR OF SOLUTION | : | PASS TEST | Pass test | |
CONTENT | : | 99.5-100.5% | 99.5~101.0% | |
MOISTURE | : | ≤0.5% | 7.5~8.8% | |
OXALIC ACID | : | ≤100mg/kg | ≤100ppm | |
SULPHATE | : | ≤150ppm | ≤150ppm | |
READILY CARBONISABLE SUBSTANCES | : | ABS ≤0.52 | ||
: | TRA ≥30 % | |||
RESIDUE ON IGNITION | : | ≤0.05% | Pass test | |
(SULPHATED ASH) | : | |||
ORGANIC VOLATILE IMPURITIES, RESIDUAL SOLVENTS | : | PASS TEST | ||
HEAVY METALS | : | ≤10ppm | ≤5ppm | |
ARSENIC | : | ≤1mg/kg | ≤1ppm | |
LEAD | : | ≤0.5mg/kg | ≤0.5ppm | |
MERCURY | : | ≤1mg/kg | ≤1ppm | |
ALUMINIUM | : | ≤0.2ppm | ≤ 0.2ppm | |
BACTERIAL ENDOTOXINS | : | ≤0.5IU/mg | ≤0.5IU/mg | |
ISOCIRIC ACID (RELATIVE UBSTANCES) | : | PASS TEST | ||
POLYCYCLIC AROMATIC HYDROCARBON | : | PASS TEST | ||
TRILAURYLAMINE | : | ≤0.1mg/kg | ||
STERILITY | : | PASS TEST | ||
BARIUM | : | PASS TEST | ||
CALCIUM | : | ≤200ppm | ||
IRON | : | ≤50ppm | ||
CHLORIDE | : | ≤50ppm | ||
Sulphated Ash | : | ≤0.05% |