CAS Registry Number: [6132-04-3]
Chemical Formula: C6H5Na3O7.2H2O
E-Number: E331
Main Functions / Properties
Food/Beverages
- Controls pH
- Regulates tartness together with citric acid
- Chelates trace metal ions
- Complexes calcium ions in cheese
- Modifies or enhances flavour
- Imparts flexibility to cheese slices
- Provides uniform melt-down characteristics
- Slows down gelling action in pectin jellies
- Stabilizes whipped cream
- Aids flavour development in cheese
- Stabilizes colour in meat
- Prevents formation of phosphate "whiskers" on meat surface
Pharmaceuticals
- Chelates calcium
- Buffers pH
- Maintains stability of active ingredients
- Reduces astringency
- Acts as antiplaque and anticoagulant agent
- Acts as blood and urine alkaliser
Personal Care
- Buffers pH
- Enhances action of methyl parabens
Cleaners/Detergents
- Substitutes phosphates
- Reacts with other chemicals
- Is rapidly biodegradable
Industrial Applications
- Provides a bright plate in alkaline baths
- Acts as sequestering agent in metal plating
- Acts as component of printing plate emulsions in photo chemicals
- Adjusts pH and forms metallic complexes in photo chemicals
- Acts as nucleating or blowing agent in polymers/plastics production
- Acts as pigment dispersant in pigment slurries
- Lowers viscosity and improves stability in pigment slurries
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