CAS Registry Number: [18996-35-5]
Chemical Formula: C6H7O7Na
E-Number: E331
Main Functions / Properties
- Partially neutralized salt
- Regulates pH
- Acts as buffering agent
- Replaces citric acid in sensitive formulations
- Used in water-sensitive formulations due to its low water content
- Less premature reactions with alkaline sources in dry blends
- Low hygroscopicity
- Less prone to caking
- Food grade, non-toxic alternative to exothermic blowing agents
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