1. Basic information
Chemical name: Citric acid monohydrate
Chinese aliases: Citric acid monohydrate; Citric acid with one molecule of water; Citric acid hydrate; Citric acid monohydrate
English name: Citric Acid Monohydrate
Molecular formula: C₆H₈O₇·H₂O
Molecular weight: 210.14
CAS number: 5949-29-1
EINECS number: 200-662-2
Appearance: white crystalline powder or granules, easily soluble in water, with a slightly sour taste
II. Technical Parameters
name
Guaranteed Reagent
Analytical Reagent
Chemically pure
Content (C₆H₈O₇ · H₂O), w/%
≥99.8
≥99.5
≥99.0
Clarity test/No
≤2
≤4
≤6
Water insoluble matter, w/%
≤0.002
≤0.005
≤0.01
Ignition residue (calculated as sulfate), w/%
≤0.01
≤0.02
≤0.07
Chloride (C1), w/%
≤0.0005
≤0.0005
≤0.005
Sulfate (SO₄), w/%
≤0.002
≤0.005
≤0.02
Phosphate (POA), w/%
≤0.001
≤0.001
≤0.005
Oxalate (C₂O₄), w/%
≤0.05
≤0.05
-
Calcium (Ca), w/%
≤0.002
≤0.005
≤0.02
Iron (Fe), w/%
≤0.0003
≤0.0005
≤0.001
Copper (Cu), w/%
≤0.0005
≤0.0005
--
Lead (Pb), w/%
≤0.0005
≤0.0005
≤0.001
Substances prone to carbonization
Qualified
Qualified
-
(The above parameters are reference values, and the specific details are subject to the factory inspection sheet.)
III. Packaging specifications
The standard packaging is 25kg composite paper bags or woven bags lined with PE bags. Alternatively, ton bags or smaller packages can be provided according to customer requirements.