Food Additives, Food Ingredients Supplier - Foodchem

 Silicon Dioxide
FOODCHEM is the Silicon Dioxide supplier and manufacturer, engaged in the export and wholesale of Silicon Dioxide for more than 10 years. The MOQ of Silicon Dioxide is 500 kgs, if you need only a small amount, please contact the local distributor of Silicon Dioxide. Any suggestions and questions about the Silicon Dioxide, please send Email to, we will reply within 24 hours.

Silicon Dioxide

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Silicon Dioxide, CAS# 7631-86-9, is one of the most abundant materials on earth, available as White powder. Our food grade silicon dioxide is widely used as flow agent in powdered foods and fining agent in wine, beer, and juice. It is widely accepted as safe food additive in many countries with E number E551. As a professional supplier and manufacturer of food additives, Foodchem International Corporation has been supplying quality Silicon Dioxide to customers all over the world for over 10 years. If you have any questions or wish to receive a quote, please feel free to reach us by email: or by phone: +86 21 2206 3075. Our sales person will get back to you in 1 working day.

  • Specification
  • FAQ
  • In-Depth
Item Standard
Appearance White powder
Purity (SiO2, %) ≥ 96
Oil absorption (cm3/g) 2.0~ 3.0
Loss on drying (%) 4.0~ 8.0
Loss on ignition (%) ≤8.5
BET (m2/g) 170~ 240
pH (10% solution) 5.0~ 8.0
Sodium sulfate (as Na2SO4, %) ≤1.0
Arsenic (As) ≤ 3mg/kg
Lead (Pb) ≤ 5 mg/kg
Cadium (Cd) ≤ 1 mg/kg
Mercury (Hg) ≤ 1 mg/kg
Total heavy metals (as Pb) ≤ 20 mg/kg
Total plate count ≤500cfu/g
Salmonella spp./ 10g Negative
Escherichia coli/ 5g Negative

Available Grade of Silicon Dioxide

  • Food Grade: Silicon Dioxide is widely used as antioxidants in food industries. Foodchem's food grade Silicon Dioxide is available as fine powder(>96% purity).
  • Quality Control

    At Foodchem International Corporation, we apply strict quality control process to all our products. All Silicon Dioxide we provide has been strictly tested under Kosher, Halal, HACCP and ISO standards and proved to be safe for using as food additive.

    Storage&Handling Precaution

    Storage: Silicon Dioxide should be Store in a cool and dry place and Keep away from strong light and heat
    Handling Precaution: Handling of Silicon Dioxide should only be performed by personnel trained and familiar with handling of organic chemicals. Avoid skin and eye contact and breathing in dust. Avoid handling which leads to dust formation.

    Application and Uses of Silicon Dioxide

    Silicon Dioxide is a Silicate salt widely used as flow agent in food and beverage. As a flow agent, Silicon Dioxide can be used in a wide variety of industries including: food production, pharmaceutical, agriculture/animal feed, and various other industries.
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