CAS 77-92-9
Citric Acid
Citric Acid is the most widely used food acidulant, adding tartness and preserving flavour in beverages, confectionery and processed foods, in anhydrous and monohydrate forms.
Citric acid is produced by fermenting sugars with Aspergillus niger, then purified and crystallised. It gives a clean, fresh sourness, lowers pH to help preserve foods, and binds trace metals that would otherwise catalyse rancidity and discolouration. It is approved as food additive E330 almost everywhere.
It comes in two forms. Anhydrous citric acid contains no water of crystallisation and is preferred in dry mixes, powdered drinks and effervescent tablets, where moisture would cause caking or reaction. Monohydrate contains about 8.5% water and is widely used in liquid applications. Both are offered in several mesh sizes.
- CAS number
- 77-92-9
- Grades / forms
- Anhydrous & monohydrate
- Industries
- Food Ingredients
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Typical applications
- Soft drinks, juices and powdered beverages
- Confectionery, jams and jellies
- Processed fruit and vegetables
- Effervescent tablets (anhydrous)
- Descaling and household cleaning products
- pH adjustment in cosmetics and pharmaceuticals
Packing options
- 25 kg multi-wall paper or PP bags with PE liner
- 1,000 kg jumbo bags
Storage & handling
Store below 25 °C in a dry place. Citric acid is hygroscopic and cakes under humid conditions.
Documentation
Certificate of Analysis, MSDS, Certificate of Origin, dangerous goods declaration where applicable, and third-party pre-shipment inspection on request.
Typical specification
- Assay
- 99.5–100.5% (anhydrous basis)
- Water
- Anhydrous ≤ 0.5%; monohydrate 7.5–9.0%
- Sulphated ash
- ≤ 0.05%
- Standard
- FCC / BP / USP / E330
- Mesh
- 8–30, 30–100 and fine powder
Typical values for reference. The exact specification is agreed before the order and confirmed on the Certificate of Analysis for each batch.
Citric Acid — frequently asked
Anhydrous citric acid has no crystal water and is preferred for dry mixes, powdered drinks and effervescent tablets. Citric acid monohydrate contains about 8.5% water and is commonly used in liquid foods and beverages, where the water makes no difference.
Commercial citric acid is produced by fermenting sugars such as corn or cane sugar with the mould Aspergillus niger, then purifying and crystallising it.
Coarse grades (8–30 mesh) flow well and cake less. Finer grades (30–100 mesh) dissolve faster and blend more evenly in dry mixes. Fine powder is used where very fast dissolution is needed.
Yes. Chemtrade manufactures and exports Citric Acid (CAS 77-92-9) 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 Citric Acid 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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