Manufacturer Good Price Titanium Dioxide CAS:1317-80-2

Q1: What is food-grade titanium dioxide? What are its core physical and chemical properties?

Food-grade titanium dioxide, commonly known as food-grade titanium white powder, is a high-purity refined inorganic white pigment that complies with national food safety additive standards. It is currently one of the most compliant whitening and color-enhancing auxiliaries for food applications. It appears as uniform, loose white powder with no odor, no taste and non-toxicity. Core physical and chemical properties: It features extreme whiteness, strong covering power and excellent tinting strength. With extremely stable chemical properties, it is resistant to acid, alkali, high temperature and light, and hardly fades or oxidizes. It is insoluble in conventional solvents such as water, ethanol and grease, and shows good dispersibility in food systems without precipitation. It also has excellent UV resistance, which can delay the oxidative deterioration of products, and is widely used for whitening, brightening, shading and color protection of food.

Q2: What are the CAS number, molecular formula, core parameters and executive standards of food-grade titanium dioxide?

CAS Number: 13463-67-7; Molecular Formula: TiO₂; Molecular Weight: 79.90. The mainstream crystal form is anatase, while rutile is prohibited for food use. Core quality parameter: Titanium dioxide content ≥98.0%, with strictly limited harmful impurities such as heavy metals, arsenic and lead. Domestic executive standards: GB 2760-2014 National Food Safety Standard – Standard for Uses of Food Additives, and GB 1886.211-2017 National Food Safety Standard – Food Additive Titanium Dioxide. It is a legally permitted food additive.

Q3: What is the difference between food-grade titanium dioxide and industrial titanium dioxide? Can they be mixed for use?

The two products are completely different in production process, impurity indicators and application scenarios, and mixing use and replacing food grade with industrial grade are strictly prohibited. 1. Food-grade titanium dioxide: It undergoes high-temperature purification, impurity removal and deep heavy metal elimination. Harmful impurities including arsenic, lead and mercury strictly meet food safety limits, and the product is treated under sterile and dust-free conditions, only for compliant addition in food, pharmaceuticals and cosmetics. 2. Industrial titanium dioxide: It contains high impurities and excessive heavy metals without food-grade purification treatment. It is only applied in industrial fields such as coatings, plastics, inks and rubber, and must not be in contact with food or consumed by humans and animals. The illegal use of industrial products with excessive impurities will cause food safety accidents and constitutes a serious violation of regulations.

Q4: What grades are available for food-grade titanium dioxide? What are the differences between each grade?

There are two mainstream compliant grades of food-grade titanium dioxide with clear application distinctions: 1. Regular food grade: purity ≥98.0% with qualified impurities and good dispersibility, suitable for whitening and coloring of conventional foods such as candies, pastries, decorative sugar, beverages and puffed foods. 2. High-purity ultra-fine food grade: it has finer particle size, better dispersibility and higher whiteness without granular feeling, adapted to the production of high-end and high-appearance products including premium baked goods, high-grade candies, pharmaceutical tablet coatings, high-end cosmetics and sugar-free foods. All qualified food-grade titanium dioxide is anatase, and rutile type is forbidden in the food industry.

Q5: How to simply judge the quality of food-grade titanium dioxide?

Product quality can be quickly identified through intuitive observation, while accurate identification requires third-party testing: 1. Appearance: High-quality product presents pure white, fine and loose powder without yellowish, gray or black particles, caking or coarse impurities. 2. Dispersibility: It can be quickly and evenly dispersed in water, grease and syrup without agglomeration, precipitation or granular lumps. 3. Color performance: It features pure whiteness and high covering power, enabling uniform brightening without darkening or color deviation after addition. 4. Odor: It has no peculiar smell or pungent dust odor. Inferior products usually have industrial odor, coarse particles and poor dispersion. Core testing indicators include purity, heavy metal content, arsenic content, ignition residue and loss on drying.

Q6: Is slight caking of food-grade titanium dioxide a quality problem?

Slight caking is not a quality problem. Food-grade titanium dioxide has ultra-fine powder and large specific surface area, so slight caking may occur due to damp storage or stacking extrusion during transportation, which is a normal physical phenomenon. After gently breaking and stirring the caked material, its fineness, dispersibility, whiteness and tinting strength can be fully restored, with no impact on food use effect and food safety. Hard caking, yellowing, graying and non-breakable hardening indicate deterioration and contamination, and such products are strictly prohibited for food production.

Q7: What are the legal application scenarios of food-grade titanium dioxide?

All applications shall comply with GB 2760 standards. The core compliant scenarios are as follows: 1. Food decoration: whitening and brightening of candies, chocolates, sugar coatings, pastry decorations, cake frosting and powdered sugar. 2. Beverage system: toning and whitening of dairy drinks, plant protein drinks, cloudy beverages and cocktails. 3. Baked food: surface decoration and white filling toning for bread, cakes and biscuits. 4. Other foods: puffed foods, chewing gum, preserved fruits, edible gel and white sauces. 5. Pharmaceutical and daily chemical products: whitening and shading for pharmaceutical tablet coatings, toothpaste, skin care products and color cosmetics.