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Citric Acid
Molecular Formula: C6H8O7
Molecular Weight: 192.12
CAS No.: 77-92-9
EINECS: 201-069-1
H. S. Code: 29181400
Standard: BP93/BP98/USP24/E330
Appearance: White Crystal
Properties
Citric acid is a weak organic acid. It is a natural preservative and is also used
To add an acidic, or sour, taste to foods and soft drinks. In biochemistry, it is
Important as an intermediate in the citric acid cycle and therefore occurs in the
Metabolism of almost all living things. It also serves as an environmentally benign
Cleaning agent and acts as an antioxidant. Citric acid exists in a variety of fruits
And vegetables, most notably citrus fruits. At room temperature, citric acid is a
White crystalline powder. It can exist either in an anhydrous (waterfree) form or as
A monohydrate the monohydrate forms when citric acid is crystallized from cold water.
More than 50% is being used as acidulent in beverages and some 20% in other food
Applications. 20% is being used for detergent applications and 10% for other non food
Related applications like cosmetics and chemical industry.
Specifications
Citric Acid(C6H8O7)
Citric Acid White Crystal
Citric Acid: 99.5% MIN
Usage
1. In the food industry, it is used as the acidulant in the making of soda, candy, biscuit,
Can, jam, juice and so on. Moreover, it can be used as the antioxidant of grease.
2. In the medicine industry, it is the raw material of many pharmaceuticals, such as
Ferric ammonium citrate (blood tonic), sodium citrate (blood transfusion agent) and
So on. Moreover, citric acid is also used as the acidulant in lots of medicines.
3. In the chemical industry, esters of citric acid can be taken as the non-toxic plasticizer to make the plastic film of food package.
4. It can be used as both the auxiliary agent in the industrial and civil detergent to
Make nuisanceless detergent and the retarder in concrete. Moreover, it is also Applied to industries like electroplating, leather and ink
Packing
25kg net kraft paper bags
| ITEM | SPECIFICATION | RESULTS |
| Appearance | Colorless crystal or white crystalline powder | conform |
| Clarity & color solution | Clear in 20% water solution | Clear |
| Content ,% | 99.5 - 101.0 | 99.72 |
| Moisture, % | 7.5-9.0 | 8.0 |
| Sulphate, ppm | ≤150 | <10 |
| Oxalate, ppm | ≤100 | <30 |
| Heavy metal (as Pb), ppm | ≤5 | <2 |
| Barium | Pass test | Pass |
| Calcium, ppm | ≤200 | <40 |
| Iron, ppm | ≤10 | <10 |
| Chloride, ppm | ≤50 | <20 |
| Sulphated ash, % | ≤0.05 | 0.03 |
| Readily carbonisable substances | Not darker than the standard | Pass test |
| Organic volatile impurities | Pass test | Pass test |
| Tridodecylamine, ppm | ≤0.1 | <0.1 |
| Lead, ppm | ≤0.5 | <0.5 |
| As, ppm | ≤1 | <0.5 |
| Aluminium, ppm | ≤0.2 | <0.1 |
| Bacteria endotoxic, IU/mg | ≤0.5 | <0.5 |
| Result | Conform to BP98/E330/USP24/FCCIV | |