What is Sodium Diacetate

Sodium diacetate is recognized by the U.S. Food and Drug Administration — or FDA — as a Generally Recognized as Safe — or GRAS — ingredient. However, levels of the compound must fall within good manufacturing practices, and for a range of food applications, specific levels are defined.

  • Synonyms: Disodium Salt of Acetic Acid, E 262ii, Sodium Diacetate, Sodium Hydrogen Diacetate
  • INCI: Sodium Diacetate
  • Chemical formula: Na (CH3COO)(CH3COOH)
  • CAS # 126-96-5
  • Hazard: H318 Causes serious eye damage


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Sodium diacetate anhydrous FCC
Sodium diacetate progusta SD

Product specifications

AppearanceWhite crystalline granules
OdorAcetic acid (slightly)
SolubilitiesSoluble in water
Freezing point606.2°F (319.0°C)
Molecular weight142 g/mol
GradesIndustrial, ACS, USP, NF Grade


Sodium Diacetate uses include animal Feed, Baking, Buffer, Chips - Vinegar Flavoring, Dialysis Dry Blends, Dialysis Solutions, Dough Conditioner, Drilling Mud, Flavor Enhancer, Food Preservative, Kidney Dialysis Solution, Meat Products, Mold & Rope Inhibitor, Mold Inhibitor, Oil Field Service Chemicals, Oil Well Drilling Mud, Petroleum, pH Control, Photographic, Preservative, Silage Mold Inhibitor, Vinegar Chips, Vinegar Flavoring

  • Food and Nutrition: This compound is also used as a preservative for poultry products and red meat since it inhibits the development of certain bacterial strains such as L. monocytogenes and C. botulinum. It can also be used to control acidity in fresh meat. Other industries that use sodium diacetate include the photographic and the foam production industries, where it is utilized to control pH.
  • Personal Care: It is used as a masking ingredient, a fragrance and a buffering agent
  • Pharmaceutical Industry: It is used for renal dialysis.

Quick Answers

The compound sodium diacetate has the chemical formula NaH(C2H3O2)2. It is also referred to as sodium acid acetate or sodium hydrogen acetate and has the CAS number 126-96-5. It is a colorless, solid salt of acetic acid that is used as a preservative and a flavoring agent as well as an antimicrobial agent. It has the E number E262.

You can reach out to Brenntag North America for more information about sodium diacetate and access to a specialty and chemical distributor you can trust.

For professionals in industries ranging from food and beverage to health and personal care, it is important to know that we are one of the world’s leading suppliers of sodium diacetate. With a portfolio of more than 10,000 products and a global distribution network that spans 530 locations in 74 countries, we have the capacity to consistently meet all of your food grade sodium diacetate needs.

Sodium Diacetate is available in bags of 25 lb and 50 lb quantities.

You can download a copy of the SDS for sodium diacetate from Brenntag Connect.

Download the SDS now.


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