CAS 13463-67-7 Titanium Dioxide - Materials / Alfa Chemistry

NAVIGATION

Titanium Dioxide

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Catalog Number

ACM13463677-20

CAS Number

13463-67-7

Product Name

Titanium Dioxide

Structure

Category

Optical Coatings

Description

White pigment of crystalline structure with a high refractive index & great inertness able to reflect & scatter light. Derived from the naturally occurring mineral ilmenite. Synonyms: cosmetic white, rutile, brookite, tipaque, zopaque, titanic anhydride. Primary particle size 200-250 nm, purity >98%.

IUPAC Name

Dioxotitanium

Molecular Weight

79.87

Molecular Formula

TiO2

Canonical SMILES

O=[Ti]=O

InChI

InChI=1S/2O.Ti

InChI Key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

Boiling Point

2900 °C

Melting Point

1840 °C

Purity

95%+

Density

4.26 g/mL

Solubility

Suspends in water or oil (but is insoluble)

Appearance

White powder, characteristic odor

Application

Sun care products, color cosmetics with or without sun protection.

Storage

Store light-protected at a cool and dry place

Assay

0.99

Color/Form

White, tetragonal crystals;White powder in two crystalline forms, anatase and rutile;AMORPHOUS, INFUSIBLE POWDER;White powder

Complexity

18.3

Composition

Titanium dioxide (CI 77891)

Covalently-Bonded Unit Count

EC Number

236-675-5;215-282-2;215-280-1;236-675-5;619-318-1

Exact Mass

79.93777g/mol

Features And Benefits

Reflects sunlight (UVB rays)Widely used in makeup powders to lighten shades

Formal Charge

Heavy Atom Count

ICSC Number

0338

MeSH Entry Terms

anatase;anatase titanium dioxide;brookite;food additive E171;nano-anatase;nano-TiO₂;rutile;Titania;titanium dioxide;titanium oxide;titanium white

Monoisotopic Mass

79.93777g/mol

NSC Number

15204

Odor

Odorless

Other Experimental

GRAVIMETRIC FACTOR: 0.33279;ANATASE: INDEX OF REFRACTION (NA): 2.554; 2.493; SPECIFIC GRAVITY: 3.84; BROOKITE: INDEX OF REFRACTION (NA): 2.583; 2.586; 2.741; SPECIFIC GRAVITY: 4.17 RUTILE: SPECIFIC GRAVITY: 4.26; INDEX OF REFRACTION (NA): 2.616; 2.903;Reactivity depends on previous heat treatment; prolonged heating produces less soluble material; made soluble by fusion with potassium bisulfate or alkali hydroxides or carbonates to form alkali titanates; Index of refraction: 2.7 (Titania crystals);RUTILE: X-RAY CRYSTALLOGRAPHIC DATA: CRYSTAL SYSTEM: TETRAGONAL; SPACE GROUP: P4/MNM(136); 2 G FORMULA WT/UNIT CELL; X-RAY CRYSTALLOGRAPHIC DATA: AO= 4.5937 + OR - 0.0005; CO= 2.9618 + OR - 0.0010;ANATASE: X-RAY CRYSTALLOGRAPHIC DATA: CRYSTAL SYSTEM: TETRAGONAL; SPACE GROUP: I41/AMD(141); 4 G FORMULA WT/UNIT CELL X-RAY CRYSTALLOGRAPHIC DATA: AO= 3.785 + OR - 0.002; CO= 9.514 + OR - 0.006;BROOKITE: X-RAY CRYSTALLOGRAPHIC DATA: CRYSTAL SYSTEM: ORTHORHOMBIC; SPACE GROUP: PCAB (61); 8 G FORMULA WT/UNIT CELL X-RAY CRYSTALLOGRAPHIC DATA: AO= 5.456 + OR - 0.002; BO= 9.182 + OR - 0.005; CO= 5.143 + OR - 0.003;When substantially pure, a massive single crystal (boule) of rutile has properties of precious gem with a very light straw color and with reflectance, refraction and brilliance measuring greater than those of a diamond. ... high opacity and tinting values are claimed for rutile-like pigments.;Titania is ... large ... crystals (translucent water-white or with yellowish cast) these crystals have refractive index ... higher than diamonds ... but lack hardness of diamonds.;Possesses perhaps the greatest hiding power of all inorg white pigments;Brown tetragonal crystals; MP: 1560 °C; density: 3.9 g/cu cm /Titanium(IV)oxide (Anatase)/;White, orthorhombic crystals; density: 4.17 g/cu cm /Titanium(IV)oxide (Brookite)/;White, tetrahedral crystals; MP: 1843 °C; BBP: approximately 3000 °C; density: 4.17 g/cu cm. Insoluble in water, dilute acid; soluble in concentrated acid /Titanium(IV)oxide (Rutile)/

Packaging

25 kg

Refractive Index

INDEX OF REFRACTION: 2.616; 2.903

Rotatable Bond Count

Vapor Pressure

0 mm Hg at 68 °F Essentially (NTP, 1992);0 mmHg (approx);0 mmHg (approx)

MSDS

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COA

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Spec Sheet