Titanium Dioxide USP BP FCC Food grade Manufacturers, TiO2 |
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MSDS of Titanium Dioxide BP USP FCC Food grade Manufacturers
Titanium Dioxide
Technical & Pure
Also IP BP Ph. Eur. USP ACS AR LR FCC Food Grades
Specifications of Titanium Dioxide BP
TiO2 --- 79.9 --- 13463-67-7
Action and use
Protective; excipient.
DEFINITION
Content
98.0 per cent to 100.5 per cent.
CHARACTERS
Appearance
White or almost white powder.
Solubility
Practically insoluble in water. It does not dissolve in
dilute mineral acids but dissolves slowly in hot concentrated sulphuric acid.
IDENTIFICATION
A. When strongly heated, it becomes pale yellow; the colour
disappears on cooling.
B. To 5 ml of solution S2 (see Tests) add 0.1 ml of strong hydrogen peroxide solution R
. An orange-red colour appears.
C. To 5 ml of solution S2 add 0.5 g of
zinc in
granules. After 45 min, the mixture has a violet-blue colour.
TESTS
Solution S1
Shake 20.0 g with 30 ml of
hydrochloric acid for 1
min. Add 100 ml of distilled water and heat the mixture to boiling.
Filter the hot mixture through a hardened filter paper until a clear filtrate is
obtained. Wash the filter with 60 ml of distilled water and dilute the
combined filtrate and washings to 200 ml with distilled water.
Solution S2
Mix 0.500 g (m g) with 5 g of anhydrous sodium sulphate
in a 300 ml long-necked combustion flask. Add 10 ml of water and mix.
Add 10 ml of sulphuric acid and boil vigorously, with the usual
precautions, until a clear solution is obtained. Cool, add slowly a cooled
mixture of 30 ml of water and 10 ml of sulphuric acid, cool again
and dilute to 100.0 ml with water.
Appearance of solution
Solution S2 is not more opalescent than reference
suspension and is colourless.
Acidity or alkalinity
Shake 5.0 g with 50 ml of
carbon dioxide-free water for 5 min. Centrifuge or filter until a clear solution is obtained. To 10 ml of
the solution add 0.1 ml of bromothymol blue solution. Not more than 1.0
ml of 0.01 M hydrochloric acid or 0.01 M sodium hydroxide is
required to change the colour of the indicator.
Water-soluble substances
Maximum 0.5 per cent.
Antimony
Maximum 100 ppm.
Arsenic
Maximum 5 ppm.
Barium
To 10 ml of solution S1 add 1 ml of dilute sulphuric
acid. After 30 min, any opalescence in the solution is not more intense than
that in a mixture of 10 ml of solution S1 and 1 ml of distilled water.
Iron
Maximum 200 ppm.
Heavy metals
Maximum 20 ppm.
Titanium Dioxide USP
TiO2 79.87 [13463-67-7]
Titanium Dioxide contains not less than 99.0 percent and not more than 100.5 percent of TiO2, calculated on the dried basis. If labeled as attenuation grade, then Titanium Dioxide contains not less than 99.0 percent and not more than 100.5 percent of TiO2, calculated on the ignited basis. Attenuation grade material may contain suitable coatings, stabilizers, and treatments to assist formulation.
Labeling— If intended for UV-attenuation, the
material must be labeled as attenuation grade. If intended for UV-attenuation,
and any added coatings, stabilizers, or treatments are used, the labeling shall
include the name and amount of the additives.
Identification—
To 500 mg add 5 mL of sulfuric acid,
and heat gently. After fumes of sulfur trioxide appear, continue heating for a
minimum of 10 seconds. Cool the suspension, and cautiously dilute with water to
100 mL. Filter, and to 5 mL of the clear filtrate add a few drops of hydrogen
peroxide TS: a yellow-red to orange-red color develops immediately.
Loss on drying— Dry it at 105 for 3 hours: it loses
not more than 0.5% of its weight.
Loss on ignition— Ignite 2 g, previously dried and
accurately weighed, at 800 ± 25 to constant weight: it loses not more than 0.5%
of its weight. If labeled as attenuation grade, ignite 4 g of titanium dioxide,
accurately weighed, at 800 ± 25 to constant weight: it loses not more than 13%
of its weight.
Water-soluble substances— 0.25%.
Acid-soluble substances—0.5%.
Arsenic— The limit is 1 ppm.
Titanium Dioxide FCC
TiO2 Formula wt 79.90
INS: 171 CAS: [13463-67-7]
DESCRIPTION
Titanium Dioxide occurs as a white, amorphous powder. It is
prepared synthetically. It is insoluble in water, in hydrochloric acid, in
dilute sulfuric acid, and in alcohol and other organic solvents. It dissolves
slowly in hydrofluoric acid and in hot sulfuric acid.
Function: Color.
REQUIREMENTS
Identification: Add 5 mL of sulfuric acid to 500 mg
of sample, heat gently until fumes of sulfur trioxide evolve, continue heating
for at least 10 s, and cool. Cautiously dilute to about 100 mL with water, and
filter. Add a few drops of hydrogen peroxide TS to 5 mL of the clear filtrate. A
yellow-red to orange-red color appears immediately.
Assay: Not less than 99.0% and not more than 100.5%
of TiO2, after drying and after correcting for any aluminum oxide and/or silicon
dioxide found to be present in the sample.
Acid-Soluble Substances: Not more than 0.5%.
Aluminum Oxide and/or Silicon Dioxide: Not more than
2.0%, either singly or combined.
Antimony: Not more than 2 mg/kg.
Arsenic: Not more than 1 mg/kg.
Lead: Not more than 10 mg/kg.
Loss on Ignition: Not more than 0.5% after drying.
Mercury: Not more than 1 mg/kg.
Water-Soluble Substances: Not more than 0.3%.
Titanium Dioxide BP USP FCC Food grade Manufacturers:
Muby Chem Ltd.
Toll manufacturing & Warehouse at Houston & Midland, Texas, USA and India
USA, Canada, Mexico Customers may e-mail: usa@mubygroup.com
Call 1-844-682-9243
Europe Africa Asia India Mumbai e-mail: info@mubygroup.com
Call +91-22-23774610
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