CAS 68-04-2
Sodium Citrate
Sodium Citrate (trisodium citrate) is a food buffer and emulsifying salt used in beverages, processed cheese and pharmaceuticals, and as a phosphate-free detergent builder.
Sodium citrate is the sodium salt of citric acid, supplied mainly as the dihydrate (CAS 6132-04-3), with anhydrous material (CAS 68-04-2) available on request. It has a mild, salty-sour taste and buffers pH, which smooths the flavour of soft drinks and stabilises acidity in foods (E331).
In processed cheese it acts as an emulsifying salt that lets cheese melt smoothly without separating. Pharmaceutical grades are used in oral rehydration salts and as an anticoagulant. Technical grades replace phosphates in detergents because they soften water and biodegrade readily.
- CAS number
- 68-04-2
- Grades / forms
- Food grade
- Industries
- Food Ingredients
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- MSDS in destination format
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Typical applications
- Buffering and flavour in soft drinks
- Emulsifying salt in processed cheese
- Effervescent and pharmaceutical products
- Anticoagulant solutions (pharma grade)
- Phosphate-free detergents and cleaners
Packing options
- 25 kg multi-wall paper or PP bags with PE liner
- 1,000 kg jumbo bags
Storage & handling
Store in a cool, dry place in closed bags.
Documentation
Certificate of Analysis, MSDS, Certificate of Origin, dangerous goods declaration where applicable, and third-party pre-shipment inspection on request.
Typical specification
- Assay
- 99.0–101.0% (dried basis)
- Loss on drying (dihydrate)
- 11.0–13.0%
- pH (5% solution)
- 7.5–9.0
- Standard
- FCC / BP / USP / E331
Typical values for reference. The exact specification is agreed before the order and confirmed on the Certificate of Analysis for each batch.
Sodium Citrate — frequently asked
Sodium citrate acts as an emulsifying salt: it binds calcium in the cheese proteins so they disperse, letting the cheese melt smoothly without the fat separating.
Citric acid is sour and lowers pH. Sodium citrate is its salt, which tastes mildly salty-sour and buffers pH. They are often used together to set and stabilise acidity.
Yes. Sodium citrate binds calcium and magnesium, softening water, and is readily biodegradable, so it is used as a phosphate-free builder in laundry and dishwashing detergents.
Yes. Chemtrade manufactures and exports Sodium Citrate (CAS 68-04-2) from Surat, Gujarat, India to more than 55 countries, for customers in Food Ingredients. Send your grade, quantity and destination port for a quotation within one business day.
Every shipment of Sodium Citrate from Chemtrade includes a batch-specific Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS). Certificate of Origin, third-party pre-shipment inspection and destination-specific regulatory documentation are arranged on request.
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