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Anticaking Agent Silica (INS 551)

Also Known As : Silicon dioxide amorphous, Silicon dioxide


Usage Tips

  1. Anticaking Agent Silica (INS 551) is used in salts, icing sugar, spices, milk powder, dry mixes, baking powder, table salt, cocoa, and mixed coffee beverages, to name a few to prevent clumping and keep them free-flowing.

Common names and forms

  1. Anticaking Agent (551)
  2. Anticaking Agent (E551)
  3. Anticaking Agent (SI02)
  4. Anticaking Agent (Silicon Dioxide)
  5. Anticaking Agents (INS 551)
  6. E551
  7. Permitted Anti-Caking agent-551
  8. Permitted Anticaking Agent (INS 551)
  9. Permitted Anticaking Agent E551
  10. Silicon Dioxide E551


Anticaking Agent Silica (INS 551), is a widely used as a food additive in the form of an anticaking agent. When an anti-caking agent is placed in powdered or granulated materials, it prevents the formation of lumps and helps in easing packaging, transport, and consumption. Anticaking Agent Silica (INS 551) is derived from naturally occurring quartz, which is one of the most abundant mineral in the earth’s crust. It exists as white, fluffy powder that is produced through a wet process, yielding silica or silica gel.


Long term inhalation of silica dust may lead to issues in the lungs like silicosis (a irreversible lung disease), lung cancer, chronic obstructive pulmonary disease, increased risk of tuberculosis. Also, long-term exposure to silica may affect the kidney and increase the risk of autoimmune diseases.(1)

- Disclaimer
"Information here is provided for discussion and educational purposes only. It is not intended as medical advice or product or ingredient review/rating. The information may not apply to you and before you use or take any action, you should contact the manufacturer, seller, medical, dietary, fitness or other professional. If you utilize any information provided here, you do so at your own risk and you waive any right against Culinary Communications Private Limited, its affiliates, officers, directors, employees or representatives.”