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Oxides and peroxides

Titanium dioxide

Also known as Titania, Titanium(IV) oxide, Titanium White

CAS 13463-67-7Formula O2TiMolar mass 79.87 g/molEC 215-280-1
GHS signal word: Warning. Pictograms: Serious health hazard 746 suppliers listed Drug substance
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Titanium dioxide chemical structure, O2Ti, CAS 13463-67-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White, tetragonal crystals
Melting point
1,855 °C
Boiling point
2500 to 3000
Density
White, orthorhombic crystals, density: 4.17 g/cm³ /Titanium(IV)oxide (Brookite)/
Solubility
Insoluble in water
HS code
282300
Category
Oxides and peroxides
Illustrative photo, colourless crystals in an open fibre drum in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Titanium dioxide?

Plain description, key identifiers and synonyms

Titanium dioxide is a titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. It has a role as a food colouring.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dioxotitanium
CAS number
13463-67-7 CAS number cross-checkedOther or deprecated CAS: 12188-41-9, 1317-70-0, 1317-80-2, 200075-84-9, 864179-42-0, 98084-96-9
EC numbers
215-280-1, 215-282-2, 236-675-5, 619-318-1, 643-044-1, 933-915-7
Molecular formula
O2Ti
UNII
15FIX9V2JP
MDL number
MFCD00011269
INCI name
CI 77891, TITANIUM DIOXIDE
InChIKey
GWEVSGVZZGPLCZ-UHFFFAOYSA-N
InChI
InChI=1S/2O.Ti
SMILES (canonical and isomeric)
O=[Ti]=O

Synonyms

  • Titania
  • Titanium(IV) oxide
  • Titanium White
  • Titafrance
  • Titandioxid
  • Flamenco
  • Hombitan
  • Tiofine
  • Tioxide
  • Tipaque
  • Titanox
  • Rayox
  • Bayertitan A
  • Titanic anhydride
  • Tioxide RHD
  • Tioxide RSM
  • Zopaque LDC
  • Rutiox CR
  • Titanox RANC
  • A-Fil Cream
  • Calcotone White T
  • Tioxide AD-M
  • Tioxide R-CR
  • Tioxide R-SM
  • Tioxide R.XL
Show all 39 synonyms
  • Bayertitan R-U-F
  • Levanox White RKB
  • Sagenite
  • Kronos
  • Tichlor
  • Tronox
  • Unitane
  • Zopaque
  • Runa rh20
  • Titanic oxide
  • Unitane or-150
  • Unitane or-340
  • Unitane or-342
  • Unitane or-350

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
White, tetragonal crystalsexp.
Odour
Odorlessexp.
Taste
TASTELESSexp.
Melting point
1,855 °Cexp.
Boiling point
2500 to 3000exp.
Density
White, orthorhombic crystals, density: 4.17 g/cm³ /Titanium(IV)oxide (Brookite)/exp.
Solubility
Insoluble in waterexp.
Vapour pressure
0 mmHg at 68 °F Essentiallyexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
79.87 g/molcalc.
Exact mass
79.9378 Dacalc.
LogP (octanol/water)
-0.24calc.
Topological polar surface area
34.14 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H351Suspected of causing cancer.
Precautionary statements (5)
  • P203Obtain, read and follow all safety instructions before use.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Titanium dioxide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 746 suppliers
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Where suppliers are based

746 suppliers in 69 countries

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Titanium dioxide price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Airfloated ilmenite is used for titanium pigment manuf. Rutile sand is suitable for welding-rod-coating materials, as ceramic colorant, as source of titanium metal. As color in the food industry. Anatase titanium dioxide is used for welding-rod-coatings, acid resistant vitreous enamels, in specification paints, exterior white house paints, acetate rayon, white interior air-dry and baked enamels and lacquers, inks and plastics, for paper filling and coating, in water paints, tanners' leather finishes, shoe whiteners, and ceramics. High opacity and tinting values are claimed for rutile-like pigments. Pharmaceutic aid (coating agent).

Protectant (topical), ultraviolet screen.

White pigment (in paints, paper, rubber, plastics, etc.), opacifying agent, cosmetics, ... floor coverings, glassware, ... enamel frits, delustering synthetic fibers, printing inks, welding rods.

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Single crystals are high-temperature transducers.

When pure, titanium dioxide is relatively clear and has an extremely high index of refraction with an optical dispersion higher than diamond. It is produced artificially as a gemstone but is relatively soft.

Plastics -> Typical concentration range in plastic materials -> 5.0 - 20.0%.

Industrial uses: Bleaching agent, Opacifer, Abrasives, Surfactant (surface active agent), Processing aids not otherwise specified, Alloys, Binder, Other.

Consumer uses: Heat stabilizer, Pigment, Dye, Surface modifier, Brightener, Fixing agent (mordant), Filler.

Use classes: Colorants, Processing Aids and Additives, Safer Chemical Classes, Food additives, Plastics, Cosmetics.

Cosmetic ingredient, INCI name TITANIUM DIOXIDE(colorant, opacifying, uv absorber, uv filter)

Pharmacological actions

  • Biocompatible Materials
  • Coloring Agents
  • Photosensitizing Agents
  • Sunscreening Agents

Roles

  • additive
  • antineoplastic agent
  • food additive
  • food colouring
  • food component
  • pharmaceutical
  • physiological role

Functional uses

  • Anti-adhesive/cohesive
  • Binder
  • Brightener
  • Dye
  • Filler
  • Foamant
  • Fragrance
  • Opacifer
  • Pigment
  • Processing aids not otherwise specified
  • Surface modifier
  • UV stabilizer

Cosmetic functions

  • Colorant
  • Opacifying
  • UV absorber
  • UV filter

How it is made

May be prepared by direct combination of titanium and oxygen, by treatment of titanium salts in aqueous solution, by reaction of volatile, inorganic titanium compounds with oxygen, by oxidation or hydrolysis of organic compounds of titanium.

Preparation - By adding ammonia or an alkali carbonate to a solution of titanyl sulfate (TiOSO4).

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Titanic acid Ti(OH)4 or TiO(OH)2 is precipitated and, after filtration and washing, is dried and ignited.

The older sulfate process starts with a digestion reaction of the titanium-containing raw material (ilmenite or titanium slag) with concentrated sulfuric acid at 150 - 220 °C resulting in the ''black liquor'' containing the dissolved Ti, Fe, and impurities. Relatively pure titanium oxide hydrate (TiO(OH)2 or TiO2 dihydrate) is precipitated by hydrolysis of this titanyl sulfate solution. Impurities are largely removed in further purification stages. The titanium oxyhydrate is then calcined, ground, and usually coated with inorganic compounds.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 022-006-00-2

Health and food

  • EU cosmetic ingredient inventory
  • EU Cosmetics Regulation Annex III, restricted in cosmetics
    Name: TITANIUM DIOXIDE, Ref no: 321, Annex ref: III/321
  • EU Cosmetics Regulation Annex IV, allowed colourant
    Name: TITANIUM DIOXIDE/CI 77891, Ref no: 143, Annex ref: IV/143
  • EU Cosmetics Regulation Annex VI, allowed UV filter
    Name: TITANIUM DIOXIDE (NANO), Ref no: 27a, Annex ref: VI/27a
  • Active ingredient in FDA approved drug labels
  • Food additive

United States

  • Safer Choice ingredient list (USA)
  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Titanium dioxide is traded under.

HS 2823.00Indicative HS code

Titanium oxides

World exports in 2024
$509M
−9.6% vs 2023, imports $708M
2019 to 2024
Top exporters
  1. China22.1%
  2. Germany13.8%
  3. France * partner reported13.4%
Top importers
  1. Germany9.9%
  2. United States9.4%
  3. Saudi Arabia6.2%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Titanium dioxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Titanium dioxide, based on the data on this page

What is Titanium dioxide?

Titanium dioxide is a titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. It has a role as a food colouring.

What is the CAS number of Titanium dioxide?

The CAS registry number of Titanium dioxide is 13463-67-7. Other or deprecated CAS numbers: 12188-41-9, 1317-70-0, 1317-80-2.

What is the molecular formula and weight of Titanium dioxide?

The molecular formula of Titanium dioxide is O2Ti and its molar mass is 79.87 g/mol.

What is Titanium dioxide used for?

Airfloated ilmenite is used for titanium pigment manuf. Rutile sand is suitable for welding-rod-coating materials, as ceramic colorant, as source of titanium metal. As color in the food industry.

Is Titanium dioxide hazardous?

Titanium dioxide carries the GHS signal word "Warning". Main hazards: suspected of causing cancer. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Titanium dioxide?

Titanium dioxide is usually classified under HS code 282300 (Titanium oxides). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Titanium dioxide?

CompoundList lists 746 suppliers of Titanium dioxide in United States, China, India, Turkey and 65 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Titanium dioxide in India?

143 suppliers in India list Titanium dioxide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Titanium dioxide?

Suppliers quote Titanium dioxide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Titanium dioxide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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