Citric acid monohydrate 99.5-100.5% (alkalimetric, calculated on anhydrous substance), crystals, EMPROVE® ESSENTIAL Ph. Eur., BP, JP, USP, E330, FCC, SAFC®

Supplier: MERCK PRODUCTION CHEMICALS
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Synonyms: Hydroxytricarballylic acid2-Hydroxy-1,2,3-propanetricarboxilic acid

1.00242.5000EA 715 EUR
1.00242.5000 1.00242.9029
Citric acid monohydrate 99.5-100.5% (alkalimetric, calculated on anhydrous substance), crystals, EMPROVE® ESSENTIAL Ph. Eur., BP, JP, USP, E330, FCC, SAFC®
Citric acid monohydrate

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).


Certifications: Corresponds to Ph. Eur., BP, JP, USP, E 330, FCC
Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Formula: C₆H₈O₇.H₂O
MW: 210,14 g/mol
Melting Pt: 135…152 °C
Density: 1,552 g/cm³ (20 °C)
Flash Pt: 173,9 °C (closed cup)
Storage Temperature: Ambient
MDL Number: MFCD00149972
CAS Number: 5949-29-1
EINECS: 201-069-1
Merck Index: 13,02350
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Specification Test Results

Assay (alkalimetric, calculated on anhydrous substance) 99.5 - 100.5 %
Identity (IR-spectrum) passes test
Appearance white to almost white or colorless crystals
Appearance of solution (200 g/l; water) clear (≤ 3 NTU) and not more intense in color than reference solution Y₇, BY₇ or GY₇
Sulfate (SO₄) ≤ 50 ppm
Heavy metals (as Pb) ≤ 5 ppm
Al (Aluminium) ≤ 0.2 ppm
As (Arsenic) ≤ 1 ppm
Hg (Mercury) ≤ 1 ppm
Pb (Lead) ≤ 0.5 ppm
Oxalates (as C₂H₂O₄) ≤ 100 ppm
Residual solvents (ICH (Q3C)) excluded by manufacturing process
Readily carbonisable substance passes test
Sulfated ash (600 °C) ≤ 0.05 %
Water (according to Karl Fischer) 7.5 - 8.8 %
Bacterial endotoxins 0.5

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