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14023

Sigma-Aldrich

Titanium(IV) oxysulfate

≥29% Ti (as TiO2) basis, technical

Synonym(s):

Titanyl sulfate

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About This Item

Linear Formula:
TiOSO4 · aq
CAS Number:
13825-74-6
Molecular Weight:
159.93 (anhydrous basis)
MDL number:
MFCD00149873
UNSPSC Code:
12161600
PubChem Substance ID:
57647130
NACRES:
NA.22

Quality Level

200

grade

technical

form

solid

reaction suitability

core: titanium
reagent type: catalyst

concentration

≥29% (Ti (as TiO2))

impurities

sulfonic acid
≤17% free acid (as H2SO4)

anion traces

chloride (Cl-): ≤500 mg/kg

cation traces

Fe: ≤500 mg/kg

SMILES string

O.O=[Ti++].[O-]S([O-])(=O)=O

InChI

1S/H2O4S.H2O.O.Ti/c1-5(2,3)4;;;/h(H2,1,2,3,4);1H2;;/q;;;+2/p-2

InChI key

SWNAGNPMPHSIJF-UHFFFAOYSA-L

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Application

Titanium(IV) oxysulfate has been used as a precursor to synthesize a wide range of titanium dioxide (TiO2) photocatalysts.
It can also be used in the synthesis of freeze dried titania foams, and WO3-loaded TiO2 photocatalyst applicable for the oxidation of trans-ferulic acid to vanillin.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H290,H314

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
STBK5843
STBK3086
STBK1389
STBJ9070
STBJ7112

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TiO2 is manufactured for white pigments, solar cells, self-cleaning surfaces and devices, and other photocatalytic applications. The industrial synthesis of TiO2 entails: (1) the dissolution of ilmenite ore (FeTiO3) in aqueous sulfuric acid which precipitates the Fe while retaining the
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