Titanium(IV) oxide 99.0-100.5% (dried basis), EMPROVE® ESSENTIAL Ph. Eur., BP, USP, JP, E171, SAFC®

Supplier: MERCK PRODUCTION CHEMICALS

Synonyms: Titanic anhydride, Pigment White 6, Rutile, Titanium(IV) oxide, rutile, Titanium dioxide

1.00805.9029 1.00805.9525
1.00805.9029EA 0 EUR
1.00805.9029 1.00805.9525
Titanium(IV) oxide 99.0-100.5% (dried basis), EMPROVE® ESSENTIAL Ph. Eur., BP, USP, JP, E171, SAFC®
Titanium (IV) oxide

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 (*).


Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Formula: TiO₂
MW: 79,88 g/mol
Boiling Pt: 2900 °C (1013 hPa)
Melting Pt: 1855 °C
Density: 4,2 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011269
CAS Number: 13463-67-7
EINECS: 236-675-5
Merck Index: 13,09549

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Specification Test Results

Assay (cerimetric, calculated on dried substance) 99.0 - 100.5 %
Identity passes test
Appearance of solution passes test
Substances soluble in water (Hotextract) ≤ 0.5 %
Substances soluble in water (Coldextract) ≤ 0.25 %
Substances soluble in dilute hydrochloric acid ≤ 0.5 %
Acidity or alkalinity passes test
Aluminium oxide and/or Silicon dioxide ≤ 2.0 %
Heavy metals (as Pb) ≤ 0.002 %
Acid soluble barium (Ba) passes test
Acid soluble antimony (Sb) ≤ 0.0002 %
As (Arsenic) ≤ 0.0001 %
Cd (Cadmium) ≤ 0.00005 %
Fe (Iron) ≤ 0.02 %
Hg (Mercury) ≤ 0.0001 %
Pb (Lead) ≤ 0.0010 %
Sb (Antimony) ≤ 0.005 %
V (Vanadium)* ≤ 0.0010 %
Zn (Zinc) ≤ 0.005 %
Residual solvents (Ph Eur/USP/ICH) excluded by the manufacturing process
Microbiological test (Total yeast and mould count (TYMC)) ≤ 100 CFU/g
Microbiological test (Total aerobic microbial count (TAMC)) ≤ 100 CFU/g
Particle Size (d10) ≥ 0.1 µm
Particle Size (d50) about 0.8 
Particle Size (d90) ≤ 2.5 µm
Loss on ignition (800 °C) ≤ 0.5 %
Loss on drying (105 °C; 3 h) ≤ 0.5 %
Conforms to Ph. Eur., BP, USP, JP, E171

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