Comparing E171 - Titanium dioxide vs E170 - Calcium carbonates
Overview
Synonyms
Products
Found in 8,902 products
Found in 1,542 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 2 keywords in U.S. during the last 10 years.
Interest over time for 2 keywords in U.S. during the last 10 years.
Popular questions
Is titanium dioxide safe?
As a food color (E171), the EU no longer considers it safe and banned food uses in 2022 because potential genotoxicity of nano-sized particles could not be ruled out. Regulators in the U.S., UK, and several other regions still permit it within strict limits.
Is titanium dioxide bad for you?
Typical dietary exposure shows low acute toxicity, but ongoing uncertainty about DNA damage from very small particles led the EU to ban it in foods as a precaution. Occupational inhalation of TiO2 dust—not eating it—is the scenario most closely linked to cancer risk (IARC Group 2B).
Is titanium dioxide safe in sunscreen?
Yes—titanium dioxide is widely accepted as a safe, effective mineral UV filter in sunscreens when applied to skin. The main caution is avoiding inhalation of sprays or loose powders, since respiratory exposure to fine TiO2 particles is the concern flagged by IARC.
What is titanium dioxide used for?
In foods it serves as a whitening and opacifying agent in candies, chewing gum, bakery decorations, sauces, and supplement coatings. Outside food it is used heavily in paints, plastics, paper, cosmetics, and sunscreens for its brightness and UV-scattering properties.
What does titanium dioxide do?
It scatters light to create a vivid white appearance and hides underlying colors or textures, giving foods and tablets a uniform look. In personal care products it blocks and reflects UV light, contributing to SPF protection in mineral sunscreens.
Who makes the e170 aircraft?
In food labeling, E170 refers to calcium carbonates, not an aircraft; they’re made by many ingredient suppliers, typically sourced from mined limestone or produced by reacting calcium hydroxide with carbon dioxide (precipitated calcium carbonate).
Who makes e170 airplane?
E170 in foods means calcium carbonates, not an airplane; they are supplied by numerous food-grade mineral producers, either mined (ground calcium carbonate) or made by precipitation from calcium hydroxide and CO2.
Calcium carbonates is most likeye to dissolve in water with which characteristics?
Calcium carbonate is nearly insoluble in neutral water but dissolves in acidic or carbonated water (low pH, high dissolved CO2) by forming calcium bicarbonate.
E170 aircraft who makes?
On food labels, E170 denotes calcium carbonates rather than an aircraft; they are manufactured by various companies from limestone or via precipitation using calcium hydroxide and carbon dioxide.
How are calcium carbonates formed?
They form naturally by precipitation of calcium and carbonate ions in water and by biomineralization in shells and eggs, and industrially by reacting calcium hydroxide with carbon dioxide (precipitated calcium carbonate); they can also precipitate from hard water as limescale.