CAS NO.: 1185-57-5.

MOLECULAR WEIGHT: 280.0.

MOLECULAR FORMULA: C₆H₈O₇.

OTHER NAMES: FERRIC AMMONIUM CITRATE; IRON (III) AMMONIUM CITRATE; CITRIC ACID AMMONIUM IRON (III) SALT.

DESCRIPTION: YELLOW-BROWN CRYSTALLINE POWDER.

SOLUBILITY: SOLUBLE IN WATER, INSOLUBLE IN ALCOHOL.

ASSAY (IODOMETRIC) Fe CALCULATED ON DRY SUBS: 17.1-18.9%.

pH (10% SOLUTION): 6.0-8.0.

CHLORIDE (CI): 0.05% MAX.

HEAVY METALS (Pb): 0.005% MAX.

ARSENIC (As): 0.0004% MAX.

SULPHATE (SO₄): 1.5% MAX.

TARTARATES: PASSES TEST.

LOSS ON DRYING 105°C: 6.0% MAX.

APPLICATION: LABORATORY REAGENT.